Annotation of www/errata34.html, Revision 1.26
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16: <a href="index.html"><img alt="[OpenBSD]" height="30" width="141" src="images/smalltitle.gif" border="0"></a>
17: <h2><font color="#0000e0">
18: This is the OpenBSD 3.4 release errata & patch list:
19:
20: </font></h2>
21:
22: <hr>
23: <a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
1.3 david 24: <a href=pkg-stable34.html>For important packages updates, please refer here.</a><br>
1.1 deraadt 25: <br>
26: For errata on a certain release, click below:<br>
27: <a href="errata21.html">2.1</a>,
28: <a href="errata22.html">2.2</a>,
29: <a href="errata23.html">2.3</a>,
30: <a href="errata24.html">2.4</a>,
31: <a href="errata25.html">2.5</a>,
32: <a href="errata26.html">2.6</a>,
33: <a href="errata27.html">2.7</a>,
34: <a href="errata28.html">2.8</a>,
35: <a href="errata29.html">2.9</a>,
36: <a href="errata30.html">3.0</a>,
37: <a href="errata31.html">3.1</a>,
38: <a href="errata32.html">3.2</a>,
1.2 david 39: <a href="errata33.html">3.3</a>,
1.25 miod 40: <a href="errata35.html">3.5</a>,
41: <a href="errata.html">3.6</a>.
1.1 deraadt 42: <br>
43: <hr>
44:
45: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4.tar.gz">
46: You can also fetch a tar.gz file containing all the following patches</a>.
47: This file is updated once a day.
48:
49: <p> The patches below are available in CVS via the
50: <code>OPENBSD_3_4</code> <a href="stable.html">patch branch</a>.
51:
52: <p>
53: For more detailed information on how to install patches to OpenBSD, please
54: consult the <a href="./faq/faq10.html#Patches">OpenBSD FAQ</a>.
55: <hr>
56:
57: <a name="all"></a>
58: <h3><font color="#e00000">All architectures</font></h3>
59: <ul>
1.26 ! brad 60: <li><a name="pppd"></a>
! 61: <font color="#009000"><strong>033: RELIABILITY FIX: November 11, 2004</strong></font><br>
! 62: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pppd&apropos=0&sektion=8&manpath=OpenBSD+Current&arch=i386&format=html">pppd(8)</a>
! 63: contains a bug that allows an attacker to crash his own connection, but it cannot
! 64: be used to deny service to other users.
! 65: <br>
! 66: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/033_pppd.patch">
! 67: A source code patch exists which remedies this problem</a>.<br>
! 68: <p>
! 69: <li><a name="bind"></a>
! 70: <font color="#009000"><strong>032: RELIABILITY FIX: November 11, 2004</strong></font><br>
! 71: BIND contains a bug which results in BIND trying to contact nameservers via IPv6, even in
! 72: cases where IPv6 connectivity is non-existant. This results in unneccessary timeouts and
! 73: thus slow DNS queries.
! 74: <br>
! 75: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/032_bind.patch">
! 76: A source code patch exists which remedies this problem</a>.<br>
! 77: <p>
1.24 millert 78: <li><a name="radius"></a>
79: <font color="#009000"><strong>031: SECURITY FIX: September 20, 2004</strong></font><br>
80: Eilko Bos reported that radius authentication, as implemented by
81: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=login_radius&apropos=0&sektion=8&manpath=OpenBSD+Current&arch=i386&format=html">login_radius(8)</a>,
82: was not checking the shared secret used for replies sent by the radius server.
83: This could allow an attacker to spoof a reply granting access to the
84: attacker. Note that OpenBSD does not ship with radius authentication enabled.
85: <br>
86: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/031_radius.patch">
87: A source code patch exists which remedies this problem</a>.<br>
88: <p>
1.23 brad 89: <li><a name="xpm"></a>
90: <font color="#009000"><strong>030: SECURITY FIX: September 16, 2004</strong></font><br>
91: Chris Evans reported several flaws (stack and integer overflows) in the
92: <a href="http://www.inria.fr/koala/lehors/xpm.html">Xpm</a>
93: library code that parses image files
94: (<a href="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0687">CAN-2004-0687</a>,
95: <a href="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0688">CAN-2004-0688</a>).
96: Some of these would be exploitable when parsing malicious image files in
97: an application that handles XPM images, if they could escape ProPolice.
98: <br>
99: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/030_xpm.patch">
100: A source code patch exists which remedies this problem</a>.<br>
101: <p>
1.22 brad 102: <li><a name="httpd4"></a>
103: <font color="#009000"><strong>029: SECURITY FIX: September 10, 2004</strong></font><br>
104: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=httpd&apropos=0&sektion=8&manpath=OpenBSD+Current&arch=i386&format=html">httpd(8)</a>
105: 's mod_rewrite module can be made to write one zero byte in an arbitrary memory
106: position outside of a char array, causing a DoS or possibly buffer overflows.
107: This would require enabling dbm for mod_rewrite and making use of a malicious
108: dbm file.
109: <br>
110: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/029_httpd4.patch">
111: A source code patch exists which remedies this problem</a>.<br>
112: <p>
113:
1.19 brad 114: <li><a name="bridge"></a>
115: <font color="#009000"><strong>028: RELIABILITY FIX: August 26, 2004</strong></font><br>
116: As
1.20 brad 117: <a href="http://marc.theaimsgroup.com/?l=bugtraq&m=109345131508824&w=2">reported</a>
1.19 brad 118: by Vafa Izadinia
1.21 brad 119: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=bridge&apropos=0&sektion=4&manpath=OpenBSD+Current&arch=i386&format=html">bridge(4)</a>
1.19 brad 120: with IPsec processing enabled can be crashed remotely by a single ICMP echo traversing the bridge.
121: <br>
122: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/028_bridge.patch">
123: A source code patch exists which remedies this problem</a>.<br>
124: <p>
1.18 brad 125: <li><a name="icmp"></a>
126: <font color="#009000"><strong>027: RELIABILITY FIX: August 25, 2004</strong></font><br>
127: Improved verification of ICMP errors in order to minimize the impact of ICMP attacks
128: against TCP.
129: <br>
130: <a href="http://www.ietf.org/internet-drafts/draft-gont-icmp-payload-00.txt">http://www.ietf.org/internet-drafts/draft-gont-icmp-payload-00.txt</a>
131: <br>
132: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/027_icmp.patch">
133: A source code patch exists which remedies this problem</a>.<br>
134: <p>
1.17 brad 135: <li><a name="rnd"></a>
136: <font color="#009000"><strong>026: RELIABILITY FIX: Jul 25, 2004</strong></font><br>
137: Under a certain network load the kernel can run out of stack space. This was
138: encountered in an environment using CARP on a VLAN interface. This issue initially
139: manifested itself as a FPU related crash on boot up.
140: <br>
141: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/026_rnd.patch">
142: A source code patch exists which remedies this problem</a>.<br>
143: <p>
1.15 brad 144: <li><a name="httpd3"></a>
1.17 brad 145: <font color="#009000"><strong>025: SECURITY FIX: June 12, 2004</strong></font><br>
1.16 saad 146: Multiple vulnerabilities have been found in
1.15 brad 147: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=httpd&apropos=0&sektion=8&manpath=OpenBSD+Current&arch=i386&format=html">httpd(8)</a>
148: / mod_ssl.
149: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0020">CAN-2003-0020</a>,
150: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0987">CAN-2003-0987</a>,
151: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0488">CAN-2004-0488</a>,
152: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0492">CAN-2004-0492</a>.
153: <br>
154: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/025_httpd3.patch">
155: A source code patch exists which remedies this problem</a>.<br>
156: <p>
1.14 brad 157: <li><a name="isakmpd3"></a>
1.17 brad 158: <font color="#009000"><strong>024: SECURITY FIX: June 10, 2004</strong></font><br>
1.14 brad 159: As
160: <a href="http://seclists.org/lists/fulldisclosure/2004/Jun/0191.html">disclosed</a>
161: by Thomas Walpuski
162: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=isakmpd&apropos=0&sektion=8&manpath=OpenBSD+Current&arch=i386&format=html">isakmpd(8)</a>
163: is still vulnerable to unauthorized SA deletion. An attacker can delete IPsec
164: tunnels at will.
165: <br>
166: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/024_isakmpd3.patch">
167: A source code patch exists which remedies this problem</a>.<br>
168: <p>
1.13 millert 169: <li><a name="cvs3"></a>
1.17 brad 170: <font color="#009000"><strong>023: SECURITY FIX: June 9, 2004</strong></font><br>
1.13 millert 171: Multiple remote vulnerabilities have been found in the
172: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=cvs&apropos=0&sektion=1&manpath=OpenBSD+Current&arch=i386&format=html">cvs(1)</a>
173: server that allow an attacker to crash the server or possibly execute arbitrary
174: code with the same privileges as the CVS server program.
175: <br>
176: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/023_cvs3.patch">
177: A source code patch exists which remedies this problem</a>.<br>
178: <p>
1.10 beck 179: <li><a name="kerberos"></a>
180: <font color="#00900"><strong>022: SECURITY FIX: May 30,
181: 2004</strong></font><br>
1.11 saad 182: A flaw in the Kerberos V <a
183: href="http://www.openbsd.org/cgi-bin/man.cgi?query=kdc">kdc(8)</a>
1.10 beck 184: server could result in the administrator of a Kerberos realm having
185: the ability to impersonate any principal in any other realm which
186: has established a cross-realm trust with their realm. The flaw is due to
187: inadequate checking of the "transited" field in a Kerberos request. For
1.11 saad 188: more details see <a href="http://www.pdc.kth.se/heimdal/advisory/2004-04-01/">
1.12 saad 189: Heimdal's announcement</a>.
1.10 beck 190: <br>
191: <a
192: href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/022_kerberos.patch">
193: A source code patch exists which remedies this problem</a>.<br>
194: <p>
1.9 otto 195: <li><a name="cvs2"></a>
196: <font color="#009000"><strong>021: SECURITY FIX: May 20,
197: 2004</strong></font><br>
198: A heap overflow in the
199: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=cvs&apropos=0&sektion=1&manpath=OpenBSD+Current&arch=i386&format=html">cvs(1)</a>
200: server has been discovered that can be exploited by clients sending
201: malformed requests, enabling these clients to run arbitrary code
202: with the same privileges as the CVS server program.
203: <br>
204: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/021_cvs2.patch">
205: A source code patch exists which remedies this problem</a>.<br>
206: <p>
1.7 tedu 207: <li><a name="procfs"></a>
1.8 brad 208: <font color="#009000"><strong>020: SECURITY FIX: May 13,
1.7 tedu 209: 2004</strong></font><br>
210: Check for integer overflow in procfs. Use of procfs is not recommended.
211: <br>
212: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/020_procfs.patch">
213: A source code patch exists which remedies this problem</a>.<br>
214: <p>
1.6 brad 215: <li><a name="tcp2"></a>
216: <font color="#009000"><strong>019: RELIABILITY FIX: May 6,
217: 2004</strong></font><br>
218: Reply to in-window SYN with a rate-limited ACK.
219: <br>
220: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/019_tcp2.patch">
221: A source code patch exists which remedies this problem</a>.<br>
222: <p>
1.5 brad 223: <li><a name="gdt"></a>
224: <font color="#009000"><strong>018: RELIABILITY FIX: May 5,
225: 2004</strong></font><br>
226: Under load "recent model"
227: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=gdt&apropos=0&sektion=4&manpath=OpenBSD+Current&arch=i386&format=html">gdt(4)</a>
228: controllers will lock up.
229: <br>
230: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/018_gdt.patch">
231: A source code patch exists which remedies this problem</a>.<br>
232: <p>
1.4 otto 233: <li><a name="cvs"></a>
234: <font color="#009000"><strong>017: SECURITY FIX: May 5,
235: 2004</strong></font><br>
236: Pathname validation problems have been found in
237: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=cvs&apropos=0&sektion=1&manpath=OpenBSD+Current&arch=i386&format=html">cvs(1)</a>,
238: allowing malicious clients to create files outside the repository, allowing
239: malicious servers to overwrite files outside the local CVS tree on
240: the client and allowing clients to check out files outside the CVS
241: repository.
242: <br>
243: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/017_cvs.patch">
244: A source code patch exists which remedies this problem</a>.<br>
245: <p>
1.1 deraadt 246: <li><a name="openssl"></a>
247: <font color="#009000"><strong>016: RELIABILITY FIX: March 17,
248: 2004</strong></font><br>
249: A missing check for a NULL-pointer dereference has been found in
250: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssl&apropos=0&sektion=3&manpath=OpenBSD+Current&arch=i386&format=html">ssl(3)</a>.
251: A remote attacker can use the bug to cause an OpenSSL application to crash;
252: this may lead to a denial of service.
253: <br>
254: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/016_openssl.patch">
255: A source code patch exists which remedies this problem</a>.<br>
256: <p>
257: <li><a name="isakmpd2"></a>
258: <font color="#009000"><strong>015: RELIABILITY FIX: March 17,
259: 2004</strong></font><br>
260: Defects in the payload validation and processing functions of
261: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=isakmpd&apropos=0&sektion=8&manpath=OpenBSD+Current&arch=i386&format=html">isakmpd(8)</a>
262: have been discovered. An attacker could send malformed ISAKMP messages and
263: cause isakmpd to crash or to loop endlessly. This patch fixes these problems
264: and removes some memory leaks.
265: <br>
266: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/015_isakmpd2.patch">
267: A source code patch exists which remedies this problem</a>.<br>
268: <p>
269: <li><a name="httpd2"></a>
270: <font color="#009000"><strong>014: SECURITY FIX: March 13,
271: 2004</strong></font><br>
272: Due to a bug in the parsing of Allow/Deny rules for
273: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=httpd&sektion=8">httpd(8)'s</a>
274: access module, using IP addresses without a netmask on big endian 64-bit
275: platforms causes the rules to fail to match. This only affects sparc64.
276: <br>
277: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/014_httpd2.patch">
278: A source code patch exists which remedies the problem</a>.<br>
279: <p>
280: <li><a name="tcp"></a>
281: <font color="#009000"><strong>013: RELIABILITY FIX: March 8,
282: 2004</strong></font><br>
283: OpenBSD's TCP/IP stack did not impose limits on how many out-of-order
284: TCP segments are queued in the system. An attacker could
285: send out-of-order TCP segments and trick the system into using all
286: available memory buffers.
287: <br>
288: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/013_tcp.patch">
289: A source code patch exists which remedies the problem</a>.<br>
290: <p>
291: <li><a name="font"></a>
292: <font color="#009000"><strong>012: RELIABILITY FIX: February 14,
293: 2004</strong></font><br>
294: Several buffer overflows exist in the code parsing
295: font.aliases files in XFree86. Thanks to ProPolice, these cannot be
296: exploited to gain privileges, but they can cause the X server to abort.
297: <br>
298: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/012_font.patch">
299: A source code patch exists which remedies the problem</a>.<br>
300: <p>
301: <li><a name="ip6"></a>
302: <font color="#009000"><strong>011: SECURITY FIX: February 8, 2004</strong></font><br>
303: An IPv6 MTU handling problem exists that could be used by an attacker
304: to cause a denial of service attack against hosts with reachable IPv6
305: TCP ports.
306: <br>
307: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/011_ip6.patch">
308: A source code patch exists which remedies the problem</a>.<br>
309: <p>
310: <li><a name="sysvshm"></a>
311: <font color="#009000"><strong>010: SECURITY FIX: February 5, 2004</strong></font><br>
312: A reference counting bug exists in the
313: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=shmat&apropos=0&sektion=2&manpath=OpenBSD+Current&format=html">shmat(2)</a>
314: system call that could be used by an attacker to write to kernel memory
315: under certain circumstances.
316: <br>
317: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/010_sysvshm.patch">
318: A source code patch exists which remedies the problem</a>.<br>
319: <p>
320: <li><a name="isakmpd"></a>
321: <font color="#009000"><strong>009: SECURITY FIX: January 13, 2004</strong></font><br>
322: Several message handling flaws in
323: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=isakmpd&apropos=0&sektion=8&manpath=OpenBSD+Current&arch=i386&format=html">isakmpd(8)</a>
324: have been reported by Thomas Walpuski. These allow an attacker to delete arbitrary SAs. The patch also
325: includes a reliability fix for a filedescriptor leak that causes problems when a crypto card is
326: installed.
327: <br>
328: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/009_isakmpd.patch">
329: A source code patch exists which remedies these problems</a>.<br>
330: <p>
331: <li><a name="sem"></a>
332: <font color="#009000"><strong>008: RELIABILITY FIX: November 20, 2003</strong></font><br>
333: An improper bounds check makes it possible for a local user to cause a crash
334: by passing the
335: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=semctl&apropos=0&sektion=2&manpath=OpenBSD+Current&arch=i386&format=html">semctl(2)</a> and
336: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=semop&apropos=0&sektion=2&manpath=OpenBSD+Current&arch=i386&format=html">semop(2)</a> functions
337: certain arguments.
338: <br>
339: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/008_sem.patch">
340: A source code patch exists which remedies the problem</a>.<br>
341: <p>
342: <li><a name="uvm"></a>
343: <font color="#009000"><strong>007: RELIABILITY FIX: November 20, 2003</strong></font><br>
344: It is possible for a local user to cause a crash via
345: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sysctl&apropos=0&sektion=3&manpath=OpenBSD+Current&arch=i386&format=html">sysctl(3)</a> with certain arguments.
346: <br>
347: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/007_uvm.patch">
348: A source code patch exists which remedies the problem</a>.<br>
349: <p>
350: <li><a name="exec"></a>
351: <font color="#009000"><strong>005: RELIABILITY FIX: November 4, 2003</strong></font><br>
352: It is possible for a local user to cause a system panic by executing a specially crafted binary with an invalid header.
353: <br>
354: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/005_exec.patch">
355: A source code patch exists which remedies the problem</a>.<br>
356: <p>
357: <li><a name="httpd"></a>
358: <font color="#009000"><strong>004: RELIABILITY FIX: November 1, 2003</strong></font><br>
359: A user with write permission to <tt>httpd.conf</tt> or a <tt>.htaccess</tt>
360: file can crash
361: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=httpd&sektion=8">httpd(8)</a>
362: or potentially run arbitrary code as the user <tt>www</tt> (although it
363: is believed that ProPolice will prevent code execution).
364: <br>
365: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/004_httpd.patch">
366: A source code patch exists which remedies the problem</a>.<br>
367: <p>
368: <li><a name="arp"></a>
369: <font color="#009000"><strong>003: RELIABILITY FIX: November 1, 2003</strong></font><br>
370: It is possible for a local user to cause a system panic by flooding it with spoofed ARP
371: requests.<br>
372: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/003_arp.patch">
373: A source code patch exists which remedies the problem</a>.<br>
374: <p>
375: <li><a name="asn1"></a>
376: <font color="#009000"><strong>002: SECURITY FIX: November 1, 2003</strong></font><br>
377: The use of certain ASN.1 encodings or malformed public keys may allow an
378: attacker to mount a denial of service attack against applications linked with
379: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssl&sektion=3">ssl(3)</a>.
380: This does not affect OpenSSH.<br>
381: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/002_asn1.patch">
382: A source code patch exists which remedies the problem</a>.<br>
383: <p>
384: <li><a name="cd_booklet"></a>
385: <font color="#009000"><strong>001: DOCUMENTATION FIX: November 1, 2003</strong></font><br>
386: The CD insert documentation has an incorrect example for package installation.<br>
387: Where it is written:<p>
388: <strong>
389: # pkg_add ftp://ftp.openbsd.org/pub/OpenBSD/3.4/packages/i386</strong><p>
390: It should instead read:<p>
391: <strong>
392: # pkg_add ftp://ftp.openbsd.org/pub/OpenBSD/3.4/packages/i386/</strong><p>
393: The extra <strong>/</strong> at the end is important. We do not make
394: patch files available for things printed on paper.
395: <p>
396: </ul>
397: <p>
398: <a name="i386"></a>
399: <h3><font color="#e00000">i386</font></h3>
400: <ul>
401: <li><a name="ibcs2"></a>
402: <font color="#009000"><strong>006: SECURITY FIX: November 17, 2003</strong></font><br>
403: It may be possible for a local user to overrun the stack in
404: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=compat_ibcs2&sektion=8&apropos=0&manpath=OpenBSD+Current&arch=i386">compat_ibcs2(8)</a>.<br>
405: ProPolice catches this, turning a potential privilege escalation into a denial
406: of service. iBCS2 emulation does not need to be enabled via
407: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sysctl&sektion=8&apropos=0&manpath=OpenBSD+Current&arch=i386">sysctl(8)</a>
408: for this to happen.
409: <br>
410: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/i386/006_ibcs2.patch">
411: A source code patch exists which remedies the problem</a>.<br>
412: <p>
413: </ul>
414: <p>
415: <a name="alpha"></a>
416: <h3><font color="#e00000">alpha</font></h3>
417: <ul>
418: <li>No problems identified yet.
419: </ul>
420: <p>
421: <a name="mac68k"></a>
422: <h3><font color="#e00000">mac68k</font></h3>
423: <ul>
424: <li>No problems identified yet.
425: </ul>
426: <p>
427: <a name="sparc"></a>
428: <h3><font color="#e00000">sparc</font></h3>
429: <ul>
430: <li>No problems identified yet.
431: </ul>
432: <p>
433: <a name="sparc64"></a>
434: <h3><font color="#e00000">sparc64</font></h3>
435: <ul>
436: <li>No problems identified yet.
437: </ul>
438: <p>
439: <a name="hppa"></a>
440: <h3><font color="#e00000">hppa</font></h3>
441: <ul>
442: <li>No problems identified yet.
443: </ul>
444: <p>
445: <a name="hp300"></a>
446: <h3><font color="#e00000">hp300</font></h3>
447: <ul>
448: <li>No problems identified yet.
449: </ul>
450: <p>
451: <a name="mvme68k"></a>
452: <h3><font color="#e00000">mvme68k</font></h3>
453: <ul>
454: <li>No problems identified yet.
455: </ul>
456: <p>
457: <a name="macppc"></a>
458: <h3><font color="#e00000">macppc</font></h3>
459: <ul>
460: <li>No problems identified yet.
461: </ul>
462: <p>
463: <a name="vax"></a>
464: <h3><font color="#e00000">vax</font></h3>
465: <ul>
466: <li>No problems identified yet.
467: </ul>
468:
469: <br>
470:
471: <hr>
472: <a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
1.3 david 473: <a href=pkg-stable34.html>For important packages updates, please refer here.</a><br>
1.1 deraadt 474: <br>
475: For errata on a certain release, click below:<br>
476: <a href="errata21.html">2.1</a>,
477: <a href="errata22.html">2.2</a>,
478: <a href="errata23.html">2.3</a>,
479: <a href="errata24.html">2.4</a>,
480: <a href="errata25.html">2.5</a>,
481: <a href="errata26.html">2.6</a>,
482: <a href="errata27.html">2.7</a>,
483: <a href="errata28.html">2.8</a>,
484: <a href="errata29.html">2.9</a>,
485: <a href="errata30.html">3.0</a>,
486: <a href="errata31.html">3.1</a>,
487: <a href="errata32.html">3.2</a>,
1.2 david 488: <a href="errata33.html">3.3</a>,
1.25 miod 489: <a href="errata35.html">3.5</a>,
490: <a href="errata.html">3.6</a>.
1.1 deraadt 491: <br>
492:
493: <hr>
494: <a href=index.html><img height=24 width=24 src=back.gif border=0 alt=OpenBSD></a>
495: <a href="mailto:www@openbsd.org">www@openbsd.org</a>
1.26 ! brad 496: <br><small>$OpenBSD: errata34.html,v 1.25 2004/10/29 17:22:16 miod Exp $</small>
1.1 deraadt 497:
498: </body>
499: </html>