Annotation of www/errata34.html, Revision 1.101
1.90 bentley 1: <!doctype html>
2: <html lang=en id=errata>
3: <meta charset=utf-8>
4:
1.77 tj 5: <title>OpenBSD 3.4 Errata</title>
1.1 deraadt 6: <meta name="description" content="the OpenBSD CD errata page">
1.75 deraadt 7: <meta name="viewport" content="width=device-width, initial-scale=1">
8: <link rel="stylesheet" type="text/css" href="openbsd.css">
1.79 tb 9: <link rel="canonical" href="https://www.openbsd.org/errata34.html">
1.1 deraadt 10:
1.65 deraadt 11: <!--
12: IMPORTANT REMINDER
13: IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
14: -->
1.1 deraadt 15:
1.90 bentley 16: <h2 id=OpenBSD>
1.75 deraadt 17: <a href="index.html">
1.90 bentley 18: <i>Open</i><b>BSD</b></a>
19: 3.4 Errata
1.77 tj 20: </h2>
1.75 deraadt 21: <hr>
1.1 deraadt 22:
23: For errata on a certain release, click below:<br>
1.93 schwarze 24: <a href="errata20.html">2.0</a>,
1.1 deraadt 25: <a href="errata21.html">2.1</a>,
26: <a href="errata22.html">2.2</a>,
27: <a href="errata23.html">2.3</a>,
28: <a href="errata24.html">2.4</a>,
29: <a href="errata25.html">2.5</a>,
30: <a href="errata26.html">2.6</a>,
31: <a href="errata27.html">2.7</a>,
32: <a href="errata28.html">2.8</a>,
33: <a href="errata29.html">2.9</a>,
34: <a href="errata30.html">3.0</a>,
35: <a href="errata31.html">3.1</a>,
36: <a href="errata32.html">3.2</a>,
1.2 david 37: <a href="errata33.html">3.3</a>,
1.25 miod 38: <a href="errata35.html">3.5</a>,
1.33 deraadt 39: <a href="errata36.html">3.6</a>,
1.93 schwarze 40: <br>
1.58 deraadt 41: <a href="errata37.html">3.7</a>,
1.36 deraadt 42: <a href="errata38.html">3.8</a>,
1.37 deraadt 43: <a href="errata39.html">3.9</a>,
1.38 deraadt 44: <a href="errata40.html">4.0</a>,
1.41 merdely 45: <a href="errata41.html">4.1</a>,
1.42 deraadt 46: <a href="errata42.html">4.2</a>,
1.43 deraadt 47: <a href="errata43.html">4.3</a>,
1.45 deraadt 48: <a href="errata44.html">4.4</a>,
1.46 deraadt 49: <a href="errata45.html">4.5</a>,
1.47 deraadt 50: <a href="errata46.html">4.6</a>,
1.49 deraadt 51: <a href="errata47.html">4.7</a>,
1.50 miod 52: <a href="errata48.html">4.8</a>,
1.51 nick 53: <a href="errata49.html">4.9</a>,
1.52 sthen 54: <a href="errata50.html">5.0</a>,
1.53 deraadt 55: <a href="errata51.html">5.1</a>,
1.54 deraadt 56: <a href="errata52.html">5.2</a>,
1.93 schwarze 57: <br>
1.55 deraadt 58: <a href="errata53.html">5.3</a>,
1.56 deraadt 59: <a href="errata54.html">5.4</a>,
1.64 jsg 60: <a href="errata55.html">5.5</a>,
1.68 deraadt 61: <a href="errata56.html">5.6</a>,
1.71 deraadt 62: <a href="errata57.html">5.7</a>,
1.72 deraadt 63: <a href="errata58.html">5.8</a>,
1.78 deraadt 64: <a href="errata59.html">5.9</a>,
1.81 tj 65: <a href="errata60.html">6.0</a>,
1.86 deraadt 66: <a href="errata61.html">6.1</a>,
1.87 deraadt 67: <a href="errata62.html">6.2</a>,
1.88 deraadt 68: <a href="errata63.html">6.3</a>,
1.89 deraadt 69: <a href="errata64.html">6.4</a>,
1.92 deraadt 70: <a href="errata65.html">6.5</a>,
1.94 deraadt 71: <a href="errata66.html">6.6</a>,
1.95 deraadt 72: <a href="errata67.html">6.7</a>,
1.96 deraadt 73: <a href="errata68.html">6.8</a>,
1.97 tj 74: <br>
1.98 deraadt 75: <a href="errata69.html">6.9</a>,
1.99 deraadt 76: <a href="errata70.html">7.0</a>,
1.100 deraadt 77: <a href="errata71.html">7.1</a>,
1.101 ! tj 78: <a href="errata72.html">7.2</a>,
! 79: <a href="errata73.html">7.3</a>.
1.95 deraadt 80: <hr>
1.1 deraadt 81: <hr>
82:
1.59 deraadt 83: <p>
1.81 tj 84: Patches for the OpenBSD base system are distributed as unified diffs.
85: Each patch contains usage instructions.
86: All the following patches are also available in one
87: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4.tar.gz">tar.gz file</a>
88: for convenience.
1.1 deraadt 89:
1.59 deraadt 90: <p>
1.81 tj 91: Patches for supported releases are also incorporated into the
1.82 tj 92: <a href="stable.html">-stable branch</a>.
1.59 deraadt 93:
1.1 deraadt 94: <hr>
95:
96: <ul>
1.91 deraadt 97:
98: <li id="cd_booklet">
99: <strong>001: DOCUMENTATION FIX: November 1, 2003</strong>
100: <i>All architectures</i><br>
101: The CD insert documentation has an incorrect example for package installation.<br>
102: Where it is written:<p>
103: <b>
104: # pkg_add https://ftp.openbsd.org/pub/OpenBSD/3.4/packages/i386</b><p>
105: It should instead read:<p>
106: <b>
107: # pkg_add https://ftp.openbsd.org/pub/OpenBSD/3.4/packages/i386/</b><p>
108: The extra <b>/</b> at the end is important. We do not make
109: patch files available for things printed on paper.
110: <p>
111:
112: <li id="asn1">
113: <strong>002: SECURITY FIX: November 1, 2003</strong>
114: <i>All architectures</i><br>
115: The use of certain ASN.1 encodings or malformed public keys may allow an
116: attacker to mount a denial of service attack against applications linked with
117: <a href="https://man.openbsd.org/OpenBSD-3.4/ssl.3">ssl(3)</a>.
118: This does not affect OpenSSH.<br>
119: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/002_asn1.patch">
120: A source code patch exists which remedies this problem.</a>
121: <p>
122:
123: <li id="arp">
124: <strong>003: RELIABILITY FIX: November 1, 2003</strong>
1.62 deraadt 125: <i>All architectures</i><br>
1.91 deraadt 126: It is possible for a local user to cause a system panic by flooding it with spoofed ARP
127: requests.<br>
128: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/003_arp.patch">
1.59 deraadt 129: A source code patch exists which remedies this problem.</a>
1.31 markus 130: <p>
1.91 deraadt 131:
132: <li id="httpd">
133: <strong>004: RELIABILITY FIX: November 1, 2003</strong>
1.62 deraadt 134: <i>All architectures</i><br>
1.91 deraadt 135: A user with write permission to <code>httpd.conf</code> or a <code>.htaccess</code>
136: file can crash
137: <a href="https://man.openbsd.org/OpenBSD-3.4/httpd.8">httpd(8)</a>
138: or potentially run arbitrary code as the user <code>www</code> (although it
139: is believed that ProPolice will prevent code execution).
1.28 brad 140: <br>
1.91 deraadt 141: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/004_httpd.patch">
1.59 deraadt 142: A source code patch exists which remedies this problem.</a>
1.28 brad 143: <p>
1.91 deraadt 144:
145: <li id="exec">
146: <strong>005: RELIABILITY FIX: November 4, 2003</strong>
1.62 deraadt 147: <i>All architectures</i><br>
1.91 deraadt 148: It is possible for a local user to cause a system panic by executing a specially crafted binary with an invalid header.
1.26 brad 149: <br>
1.91 deraadt 150: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/005_exec.patch">
1.59 deraadt 151: A source code patch exists which remedies this problem.</a>
1.26 brad 152: <p>
1.91 deraadt 153:
154: <li id="ibcs2">
155: <strong>006: SECURITY FIX: November 17, 2003</strong>
156: <i>i386 only</i><br>
157: It may be possible for a local user to overrun the stack in
158: <a href="https://man.openbsd.org/OpenBSD-3.4/compat_ibcs2.8">compat_ibcs2(8)</a>.<br>
159: ProPolice catches this, turning a potential privilege escalation into a denial
160: of service. iBCS2 emulation does not need to be enabled via
161: <a href="https://man.openbsd.org/OpenBSD-3.4/sysctl.8">sysctl(8)</a>
162: for this to happen.
1.26 brad 163: <br>
1.91 deraadt 164: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/i386/006_ibcs2.patch">
1.59 deraadt 165: A source code patch exists which remedies this problem.</a>
1.26 brad 166: <p>
1.91 deraadt 167:
168: <li id="uvm">
169: <strong>007: RELIABILITY FIX: November 20, 2003</strong>
1.62 deraadt 170: <i>All architectures</i><br>
1.91 deraadt 171: It is possible for a local user to cause a crash via
172: <a href="https://man.openbsd.org/OpenBSD-3.4/sysctl.3">sysctl(3)</a> with certain arguments.
1.24 millert 173: <br>
1.91 deraadt 174: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/007_uvm.patch">
1.59 deraadt 175: A source code patch exists which remedies this problem.</a>
1.24 millert 176: <p>
1.91 deraadt 177:
178: <li id="sem">
179: <strong>008: RELIABILITY FIX: November 20, 2003</strong>
1.62 deraadt 180: <i>All architectures</i><br>
1.91 deraadt 181: An improper bounds check makes it possible for a local user to cause a crash
182: by passing the
183: <a href="https://man.openbsd.org/OpenBSD-3.4/semctl.2">semctl(2)</a> and
184: <a href="https://man.openbsd.org/OpenBSD-3.4/semop.2">semop(2)</a> functions
185: certain arguments.
1.23 brad 186: <br>
1.91 deraadt 187: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/008_sem.patch">
1.59 deraadt 188: A source code patch exists which remedies this problem.</a>
1.23 brad 189: <p>
1.91 deraadt 190:
191: <li id="isakmpd">
192: <strong>009: SECURITY FIX: January 13, 2004</strong>
1.62 deraadt 193: <i>All architectures</i><br>
1.91 deraadt 194: Several message handling flaws in
195: <a href="https://man.openbsd.org/OpenBSD-3.4/isakmpd.8">isakmpd(8)</a>
196: have been reported by Thomas Walpuski. These allow an attacker to delete arbitrary SAs. The patch also
197: includes a reliability fix for a filedescriptor leak that causes problems when a crypto card is
198: installed.
1.22 brad 199: <br>
1.91 deraadt 200: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/009_isakmpd.patch">
1.59 deraadt 201: A source code patch exists which remedies this problem.</a>
1.22 brad 202: <p>
203:
1.91 deraadt 204: <li id="sysvshm">
205: <strong>010: SECURITY FIX: February 5, 2004</strong>
1.62 deraadt 206: <i>All architectures</i><br>
1.91 deraadt 207: A reference counting bug exists in the
208: <a href="https://man.openbsd.org/OpenBSD-3.4/shmat.2">shmat(2)</a>
209: system call that could be used by an attacker to write to kernel memory
210: under certain circumstances.
1.19 brad 211: <br>
1.91 deraadt 212: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/010_sysvshm.patch">
1.59 deraadt 213: A source code patch exists which remedies this problem.</a>
1.19 brad 214: <p>
1.91 deraadt 215:
216: <li id="ip6">
217: <strong>011: SECURITY FIX: February 8, 2004</strong>
1.62 deraadt 218: <i>All architectures</i><br>
1.91 deraadt 219: An IPv6 MTU handling problem exists that could be used by an attacker
220: to cause a denial of service attack against hosts with reachable IPv6
221: TCP ports.
1.18 brad 222: <br>
1.91 deraadt 223: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/011_ip6.patch">
1.59 deraadt 224: A source code patch exists which remedies this problem.</a>
1.18 brad 225: <p>
1.91 deraadt 226:
227: <li id="font">
228: <strong>012: RELIABILITY FIX: February 14, 2004</strong>
1.62 deraadt 229: <i>All architectures</i><br>
1.91 deraadt 230: Several buffer overflows exist in the code parsing
231: font.aliases files in XFree86. Thanks to ProPolice, these cannot be
232: exploited to gain privileges, but they can cause the X server to abort.
1.17 brad 233: <br>
1.91 deraadt 234: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/012_font.patch">
1.59 deraadt 235: A source code patch exists which remedies this problem.</a>
1.17 brad 236: <p>
1.91 deraadt 237:
238: <li id="tcp">
239: <strong>013: RELIABILITY FIX: March 8, 2004</strong>
1.62 deraadt 240: <i>All architectures</i><br>
1.91 deraadt 241: OpenBSD's TCP/IP stack did not impose limits on how many out-of-order
242: TCP segments are queued in the system. An attacker could
243: send out-of-order TCP segments and trick the system into using all
244: available memory buffers.
1.15 brad 245: <br>
1.91 deraadt 246: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/013_tcp.patch">
1.59 deraadt 247: A source code patch exists which remedies this problem.</a>
1.15 brad 248: <p>
1.91 deraadt 249:
250: <li id="httpd2">
251: <strong>014: SECURITY FIX: March 13, 2004</strong>
1.62 deraadt 252: <i>All architectures</i><br>
1.91 deraadt 253: Due to a bug in the parsing of Allow/Deny rules for
254: <a href="https://man.openbsd.org/OpenBSD-3.4/httpd.8">httpd(8)'s</a>
255: access module, using IP addresses without a netmask on big endian 64-bit
256: platforms causes the rules to fail to match. This only affects sparc64.
1.14 brad 257: <br>
1.91 deraadt 258: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/014_httpd2.patch">
1.59 deraadt 259: A source code patch exists which remedies this problem.</a>
1.14 brad 260: <p>
1.91 deraadt 261:
262: <li id="isakmpd2">
263: <strong>015: RELIABILITY FIX: March 17, 2004</strong>
1.62 deraadt 264: <i>All architectures</i><br>
1.91 deraadt 265: Defects in the payload validation and processing functions of
266: <a href="https://man.openbsd.org/OpenBSD-3.4/isakmpd.8">isakmpd(8)</a>
267: have been discovered. An attacker could send malformed ISAKMP messages and
268: cause isakmpd to crash or to loop endlessly. This patch fixes these problems
269: and removes some memory leaks.
1.13 millert 270: <br>
1.91 deraadt 271: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/015_isakmpd2.patch">
1.59 deraadt 272: A source code patch exists which remedies this problem.</a>
1.13 millert 273: <p>
1.91 deraadt 274:
275: <li id="openssl">
276: <strong>016: RELIABILITY FIX: March 17, 2004</strong>
1.62 deraadt 277: <i>All architectures</i><br>
1.91 deraadt 278: A missing check for a NULL-pointer dereference has been found in
279: <a href="https://man.openbsd.org/OpenBSD-3.4/ssl.3">ssl(3)</a>.
280: A remote attacker can use the bug to cause an OpenSSL application to crash;
281: this may lead to a denial of service.
1.10 beck 282: <br>
1.91 deraadt 283: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/016_openssl.patch">
1.59 deraadt 284: A source code patch exists which remedies this problem.</a>
1.10 beck 285: <p>
1.91 deraadt 286:
287: <li id="cvs">
288: <strong>017: SECURITY FIX: May 5, 2004</strong>
1.62 deraadt 289: <i>All architectures</i><br>
1.91 deraadt 290: Pathname validation problems have been found in
291: <a href="https://man.openbsd.org/OpenBSD-3.4/cvs.1">cvs(1)</a>,
292: allowing malicious clients to create files outside the repository, allowing
293: malicious servers to overwrite files outside the local CVS tree on
294: the client and allowing clients to check out files outside the CVS
295: repository.
1.9 otto 296: <br>
1.91 deraadt 297: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/017_cvs.patch">
1.59 deraadt 298: A source code patch exists which remedies this problem.</a>
1.9 otto 299: <p>
1.91 deraadt 300:
301: <li id="gdt">
302: <strong>018: RELIABILITY FIX: May 5, 2004</strong>
1.62 deraadt 303: <i>All architectures</i><br>
1.91 deraadt 304: Under load "recent model"
305: <a href="https://man.openbsd.org/OpenBSD-3.4/gdt.4">gdt(4)</a>
306: controllers will lock up.
1.7 tedu 307: <br>
1.91 deraadt 308: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/018_gdt.patch">
1.59 deraadt 309: A source code patch exists which remedies this problem.</a>
1.7 tedu 310: <p>
1.91 deraadt 311:
1.66 bentley 312: <li id="tcp2">
1.90 bentley 313: <strong>019: RELIABILITY FIX: May 6, 2004</strong>
1.62 deraadt 314: <i>All architectures</i><br>
1.6 brad 315: Reply to in-window SYN with a rate-limited ACK.
316: <br>
1.80 tb 317: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/019_tcp2.patch">
1.59 deraadt 318: A source code patch exists which remedies this problem.</a>
1.6 brad 319: <p>
1.91 deraadt 320:
321: <li id="procfs">
322: <strong>020: SECURITY FIX: May 13, 2004</strong>
1.62 deraadt 323: <i>All architectures</i><br>
1.91 deraadt 324: Check for integer overflow in procfs. Use of procfs is not recommended.
1.5 brad 325: <br>
1.91 deraadt 326: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/020_procfs.patch">
1.59 deraadt 327: A source code patch exists which remedies this problem.</a>
1.5 brad 328: <p>
1.91 deraadt 329:
330: <li id="cvs2">
331: <strong>021: SECURITY FIX: May 20, 2004</strong>
1.62 deraadt 332: <i>All architectures</i><br>
1.91 deraadt 333: A heap overflow in the
334: <a href="https://man.openbsd.org/OpenBSD-3.4/cvs.1">cvs(1)</a>
335: server has been discovered that can be exploited by clients sending
336: malformed requests, enabling these clients to run arbitrary code
337: with the same privileges as the CVS server program.
1.4 otto 338: <br>
1.91 deraadt 339: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/021_cvs2.patch">
1.59 deraadt 340: A source code patch exists which remedies this problem.</a>
1.4 otto 341: <p>
1.91 deraadt 342:
343: <li id="kerberos">
344: <strong>022: SECURITY FIX: May 30, 2004</strong>
1.62 deraadt 345: <i>All architectures</i><br>
1.91 deraadt 346: A flaw in the Kerberos V
347: <a href="https://man.openbsd.org/OpenBSD-3.4/kdc.8">kdc(8)</a>
348: server could result in the administrator of a Kerberos realm having
349: the ability to impersonate any principal in any other realm which
350: has established a cross-realm trust with their realm. The flaw is due to
351: inadequate checking of the "transited" field in a Kerberos request. For
352: more details see <a href="http://www.pdc.kth.se/heimdal/advisory/2004-04-01/">
353: Heimdal's announcement</a>.
1.1 deraadt 354: <br>
1.91 deraadt 355: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/022_kerberos.patch">
1.59 deraadt 356: A source code patch exists which remedies this problem.</a>
1.1 deraadt 357: <p>
1.91 deraadt 358:
359: <li id="cvs3">
360: <strong>023: SECURITY FIX: June 9, 2004</strong>
1.62 deraadt 361: <i>All architectures</i><br>
1.91 deraadt 362: Multiple remote vulnerabilities have been found in the
363: <a href="https://man.openbsd.org/OpenBSD-3.4/cvs.1">cvs(1)</a>
364: server that allow an attacker to crash the server or possibly execute arbitrary
365: code with the same privileges as the CVS server program.
1.1 deraadt 366: <br>
1.91 deraadt 367: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/023_cvs3.patch">
1.59 deraadt 368: A source code patch exists which remedies this problem.</a>
1.1 deraadt 369: <p>
1.91 deraadt 370:
371: <li id="isakmpd3">
372: <strong>024: SECURITY FIX: June 10, 2004</strong>
1.62 deraadt 373: <i>All architectures</i><br>
1.91 deraadt 374: As
375: <a href="http://seclists.org/lists/fulldisclosure/2004/Jun/0191.html">disclosed</a>
376: by Thomas Walpuski
377: <a href="https://man.openbsd.org/OpenBSD-3.4/isakmpd.8">isakmpd(8)</a>
378: is still vulnerable to unauthorized SA deletion. An attacker can delete IPsec
379: tunnels at will.
1.1 deraadt 380: <br>
1.91 deraadt 381: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/024_isakmpd3.patch">
1.59 deraadt 382: A source code patch exists which remedies this problem.</a>
1.1 deraadt 383: <p>
1.91 deraadt 384:
385: <li id="httpd3">
386: <strong>025: SECURITY FIX: June 12, 2004</strong>
1.62 deraadt 387: <i>All architectures</i><br>
1.91 deraadt 388: Multiple vulnerabilities have been found in
389: <a href="https://man.openbsd.org/OpenBSD-3.4/httpd.8">httpd(8)</a>
390: / mod_ssl.
391: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0020">CAN-2003-0020</a>,
392: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0987">CAN-2003-0987</a>,
393: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0488">CAN-2004-0488</a>,
394: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0492">CAN-2004-0492</a>.
1.1 deraadt 395: <br>
1.91 deraadt 396: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/025_httpd3.patch">
1.59 deraadt 397: A source code patch exists which remedies this problem.</a>
1.1 deraadt 398: <p>
1.91 deraadt 399:
400: <li id="rnd">
401: <strong>026: RELIABILITY FIX: Jul 25, 2004</strong>
1.62 deraadt 402: <i>All architectures</i><br>
1.91 deraadt 403: Under a certain network load the kernel can run out of stack space. This was
404: encountered in an environment using CARP on a VLAN interface. This issue initially
405: manifested itself as a FPU related crash on boot up.
1.1 deraadt 406: <br>
1.91 deraadt 407: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/026_rnd.patch">
1.59 deraadt 408: A source code patch exists which remedies this problem.</a>
1.1 deraadt 409: <p>
1.91 deraadt 410:
411: <li id="icmp">
412: <strong>027: RELIABILITY FIX: August 25, 2004</strong>
1.62 deraadt 413: <i>All architectures</i><br>
1.91 deraadt 414: Improved verification of ICMP errors in order to minimize the impact of ICMP attacks
415: against TCP.
416: <br>
417: <a href="http://www.gont.com.ar/drafts/icmp-attacks-against-tcp.html">http://www.gont.com.ar/drafts/icmp-attacks-against-tcp.html</a>
1.1 deraadt 418: <br>
1.91 deraadt 419: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/027_icmp.patch">
1.59 deraadt 420: A source code patch exists which remedies this problem.</a>
1.1 deraadt 421: <p>
1.91 deraadt 422:
423:
424:
425:
426:
427: <li id="pfkey">
428: <strong>035: SECURITY FIX: December 13, 2004</strong>
1.62 deraadt 429: <i>All architectures</i><br>
1.91 deraadt 430: On systems running
431: <a href="https://man.openbsd.org/OpenBSD-3.4/isakmpd.8">isakmpd(8)</a>
432: it is possible for a local user to cause kernel memory corruption
433: and system panic by setting
434: <a href="https://man.openbsd.org/OpenBSD-3.4/ipsec.4">ipsec(4)</a>
435: credentials on a socket.
1.1 deraadt 436: <br>
1.91 deraadt 437: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/035_pfkey.patch">
1.59 deraadt 438: A source code patch exists which remedies this problem.</a>
1.1 deraadt 439: <p>
1.91 deraadt 440:
441: <li id="lynx">
442: <strong>034: RELIABILITY FIX: November 10, 2004</strong>
1.62 deraadt 443: <i>All architectures</i><br>
1.91 deraadt 444: Due to a bug in
445: <a href="https://man.openbsd.org/OpenBSD-3.4/lynx.1">lynx(1)</a>
446: it is possible for pages such as
447: <a href="http://lcamtuf.coredump.cx/mangleme/gallery/lynx_die1.html">this</a>
448: to cause
449: <a href="https://man.openbsd.org/OpenBSD-3.4/lynx.1">lynx(1)</a>
450: to exhaust memory and then crash when parsing such pages.
1.1 deraadt 451: <br>
1.91 deraadt 452: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/034_lynx.patch">
1.59 deraadt 453: A source code patch exists which remedies this problem.</a>
1.1 deraadt 454: <p>
1.91 deraadt 455:
456: <li id="pppd">
457: <strong>033: RELIABILITY FIX: November 10, 2004</strong>
1.62 deraadt 458: <i>All architectures</i><br>
1.91 deraadt 459: <a href="https://man.openbsd.org/OpenBSD-3.4/pppd.8">pppd(8)</a>
460: contains a bug that allows an attacker to crash his own connection, but it cannot
461: be used to deny service to other users.
1.1 deraadt 462: <br>
1.91 deraadt 463: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/033_pppd.patch">
1.59 deraadt 464: A source code patch exists which remedies this problem.</a>
1.1 deraadt 465: <p>
1.91 deraadt 466:
467: <li id="bind">
468: <strong>032: RELIABILITY FIX: November 10, 2004</strong>
1.62 deraadt 469: <i>All architectures</i><br>
1.91 deraadt 470: BIND contains a bug which results in BIND trying to contact nameservers via IPv6, even in
471: cases where IPv6 connectivity is non-existent. This results in unnecessary timeouts and
472: thus slow DNS queries.
1.1 deraadt 473: <br>
1.91 deraadt 474: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/032_bind.patch">
1.59 deraadt 475: A source code patch exists which remedies this problem.</a>
1.1 deraadt 476: <p>
1.91 deraadt 477:
478: <li id="radius">
479: <strong>031: SECURITY FIX: September 20, 2004</strong>
480: <i>All architectures</i><br>
481: Eilko Bos reported that radius authentication, as implemented by
482: <a href="https://man.openbsd.org/OpenBSD-3.4/login_radius.8">login_radius(8)</a>,
483: was not checking the shared secret used for replies sent by the radius server.
484: This could allow an attacker to spoof a reply granting access to the
485: attacker. Note that OpenBSD does not ship with radius authentication enabled.
1.61 deraadt 486: <br>
1.91 deraadt 487: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/031_radius.patch">
1.61 deraadt 488: A source code patch exists which remedies this problem.</a>
489: <p>
1.91 deraadt 490:
491: <li id="xpm">
492: <strong>030: SECURITY FIX: September 16, 2004</strong>
1.62 deraadt 493: <i>All architectures</i><br>
1.91 deraadt 494: Chris Evans reported several flaws (stack and integer overflows) in the
495: <a href="http://www.inria.fr/koala/lehors/xpm.html">Xpm</a>
496: library code that parses image files
497: (<a href="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0687">CAN-2004-0687</a>,
498: <a href="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0688">CAN-2004-0688</a>).
499: Some of these would be exploitable when parsing malicious image files in
500: an application that handles XPM images, if they could escape ProPolice.
1.1 deraadt 501: <br>
1.91 deraadt 502: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/030_xpm.patch">
1.59 deraadt 503: A source code patch exists which remedies this problem.</a>
1.1 deraadt 504: <p>
1.91 deraadt 505:
506: <li id="httpd4">
507: <strong>029: SECURITY FIX: September 10, 2004</strong>
1.62 deraadt 508: <i>All architectures</i><br>
1.84 tb 509: <a href="https://man.openbsd.org/OpenBSD-3.4/httpd.8">httpd(8)</a>
1.91 deraadt 510: 's mod_rewrite module can be made to write one zero byte in an arbitrary memory
511: position outside of a char array, causing a DoS or possibly buffer overflows.
512: This would require enabling dbm for mod_rewrite and making use of a malicious
513: dbm file.
1.1 deraadt 514: <br>
1.91 deraadt 515: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/029_httpd4.patch">
1.59 deraadt 516: A source code patch exists which remedies this problem.</a>
1.1 deraadt 517: <p>
1.91 deraadt 518:
519: <li id="bridge">
520: <strong>028: RELIABILITY FIX: August 26, 2004</strong>
1.62 deraadt 521: <i>All architectures</i><br>
1.91 deraadt 522: As
523: <a href="https://marc.info/?l=bugtraq&m=109345131508824&w=2">reported</a>
524: by Vafa Izadinia
525: <a href="https://man.openbsd.org/OpenBSD-3.4/bridge.4">bridge(4)</a>
526: with IPsec processing enabled can be crashed remotely by a single ICMP echo traversing the bridge.
527: <br>
528: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/028_bridge.patch">
1.59 deraadt 529: A source code patch exists which remedies this problem.</a>
1.1 deraadt 530: <p>
1.78 deraadt 531:
1.1 deraadt 532: </ul>
533:
1.67 tedu 534: <hr>