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1.64 deraadt 11: <!--
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1.1 deraadt 16:
1.88 bentley 17: <h2 id=OpenBSD>
1.74 deraadt 18: <a href="index.html">
1.88 bentley 19: <i>Open</i><b>BSD</b></a>
20: 3.1 Errata
1.76 tj 21: </h2>
1.74 deraadt 22: <hr>
1.1 deraadt 23:
1.3 deraadt 24: For errata on a certain release, click below:<br>
1.92 ! schwarze 25: <a href="errata20.html">2.0</a>,
1.2 deraadt 26: <a href="errata21.html">2.1</a>,
27: <a href="errata22.html">2.2</a>,
28: <a href="errata23.html">2.3</a>,
29: <a href="errata24.html">2.4</a>,
30: <a href="errata25.html">2.5</a>,
31: <a href="errata26.html">2.6</a>,
32: <a href="errata27.html">2.7</a>,
33: <a href="errata28.html">2.8</a>,
34: <a href="errata29.html">2.9</a>,
35: <a href="errata30.html">3.0</a>,
1.25 david 36: <a href="errata32.html">3.2</a>,
1.28 david 37: <a href="errata33.html">3.3</a>,
1.32 david 38: <a href="errata34.html">3.4</a>,
1.33 miod 39: <a href="errata35.html">3.5</a>,
1.34 deraadt 40: <a href="errata36.html">3.6</a>,
1.92 ! schwarze 41: <br>
1.58 deraadt 42: <a href="errata37.html">3.7</a>,
1.36 deraadt 43: <a href="errata38.html">3.8</a>,
1.38 deraadt 44: <a href="errata39.html">3.9</a>,
1.39 deraadt 45: <a href="errata40.html">4.0</a>,
1.41 merdely 46: <a href="errata41.html">4.1</a>,
1.42 deraadt 47: <a href="errata42.html">4.2</a>,
1.43 deraadt 48: <a href="errata43.html">4.3</a>,
1.45 deraadt 49: <a href="errata44.html">4.4</a>,
1.46 deraadt 50: <a href="errata45.html">4.5</a>,
1.47 deraadt 51: <a href="errata46.html">4.6</a>,
1.49 deraadt 52: <a href="errata47.html">4.7</a>,
1.50 miod 53: <a href="errata48.html">4.8</a>,
1.51 nick 54: <a href="errata49.html">4.9</a>,
1.52 sthen 55: <a href="errata50.html">5.0</a>,
1.53 deraadt 56: <a href="errata51.html">5.1</a>,
1.54 deraadt 57: <a href="errata52.html">5.2</a>,
1.92 ! schwarze 58: <br>
1.55 deraadt 59: <a href="errata53.html">5.3</a>,
1.56 deraadt 60: <a href="errata54.html">5.4</a>,
1.63 jsg 61: <a href="errata55.html">5.5</a>,
1.67 deraadt 62: <a href="errata56.html">5.6</a>,
1.70 deraadt 63: <a href="errata57.html">5.7</a>,
1.71 deraadt 64: <a href="errata58.html">5.8</a>,
1.77 deraadt 65: <a href="errata59.html">5.9</a>,
1.80 tj 66: <a href="errata60.html">6.0</a>,
1.84 deraadt 67: <a href="errata61.html">6.1</a>,
1.85 deraadt 68: <a href="errata62.html">6.2</a>,
1.86 deraadt 69: <a href="errata63.html">6.3</a>,
1.87 deraadt 70: <a href="errata64.html">6.4</a>,
1.90 deraadt 71: <a href="errata65.html">6.5</a>,
72: <a href="errata66.html">6.6</a>.
1.1 deraadt 73: <hr>
74:
1.59 deraadt 75: <p>
1.80 tj 76: Patches for the OpenBSD base system are distributed as unified diffs.
77: Each patch contains usage instructions.
78: All the following patches are also available in one
79: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1.tar.gz">tar.gz file</a>
80: for convenience.
1.1 deraadt 81:
1.59 deraadt 82: <p>
1.80 tj 83: Patches for supported releases are also incorporated into the
1.81 tj 84: <a href="stable.html">-stable branch</a>.
1.59 deraadt 85:
1.1 deraadt 86: <hr>
87:
88: <ul>
1.89 deraadt 89:
90: <li id="sshafs">
91: <strong>001: SECURITY FIX: April 22, 2002</strong>
1.61 deraadt 92: <i>All architectures</i><br>
1.89 deraadt 93: A local user can gain super-user privileges due to a buffer overflow
94: in <a href="https://man.openbsd.org/OpenBSD-3.1/sshd.8">sshd(8)</a>
95: if AFS has been configured on the system or if
96: KerberosTgtPassing or AFSTokenPassing has been enabled
97: in the sshd_config file. Ticket and token passing is not enabled
98: by default.<br>
99: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/001_sshafs.patch">
1.59 deraadt 100: A source code patch exists which remedies this problem.</a>
1.26 miod 101: <p>
1.89 deraadt 102:
103: <li id="sudo">
104: <strong>002: SECURITY FIX: April 25, 2002</strong>
1.61 deraadt 105: <i>All architectures</i><br>
1.89 deraadt 106: A bug in <a href="https://man.openbsd.org/OpenBSD-3.1/sudo.8">sudo(8)</a> may allow an attacker to corrupt the heap by specifying a custom prompt.<br>
107: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/002_sudo.patch">
1.59 deraadt 108: A source code patch exists which remedies this problem.</a>
1.22 millert 109: <p>
1.89 deraadt 110:
111: <li id="fdalloc2">
112: <strong>003: SECURITY FIX: May 8, 2002</strong>
1.61 deraadt 113: <i>All architectures</i><br>
1.89 deraadt 114: A race condition exists where an attacker could fill the file descriptor
115: table and defeat the kernel's protection of fd slots 0, 1, and 2 for a
116: setuid or setgid process.<br>
117: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/003_fdalloc2.patch">
1.59 deraadt 118: A source code patch exists which remedies this problem.</a>
1.20 miod 119: <p>
1.89 deraadt 120:
121: <li id="sshbsdauth">
122: <strong>004: SECURITY FIX: May 22, 2002</strong>
1.61 deraadt 123: <i>All architectures</i><br>
1.89 deraadt 124: Under certain conditions, on systems using YP with netgroups in the
125: password database, it is possible that
126: <a href="https://man.openbsd.org/OpenBSD-3.1/sshd.8">sshd(8)</a>
127: does ACL checks for the requested user name but uses the password
128: database entry of a different user for authentication. This means
129: that denied users might authenticate successfully while permitted
130: users could be locked out.<br>
131: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/004_sshbsdauth.patch">
1.59 deraadt 132: A source code patch exists which remedies this problem.</a>
1.19 miod 133: <p>
1.89 deraadt 134:
135: <li id="httpd">
136: <strong>005: SECURITY FIX: June 19, 2002</strong>
1.61 deraadt 137: <i>All architectures</i><br>
1.89 deraadt 138: A buffer overflow can occur during the interpretation of chunked
139: encoding in the http daemon, leading to possible remote crash or exploit.<br>
140: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/005_httpd.patch">
1.59 deraadt 141: A source code patch exists which remedies this problem.</a>
1.16 millert 142: <p>
1.89 deraadt 143:
144: <li id="sshd">
145: <strong>006: SECURITY FIX: June 24, 2002</strong>
1.61 deraadt 146: <i>All architectures</i><br>
1.89 deraadt 147: All versions of OpenSSH's sshd between 2.3.1 and 3.3 contain an input validation
148: error that can result in an integer overflow and privilege escalation.
149: This problem is fixed in <a href="https://www.openssh.com/openbsd.html">OpenSSH
150: 3.4</a>, and a patch for the vulnerable releases is available as part of the
151: <a href="https://www.openssh.com/txt/preauth.adv">security advisory</a>.
1.13 miod 152: <p>
1.89 deraadt 153:
154: <li id="resolver">
155: <strong>007: SECURITY FIX: June 25, 2002</strong>
1.61 deraadt 156: <i>All architectures</i><br>
1.89 deraadt 157: A potential buffer overflow in the DNS resolver has been found.<br>
158: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/007_resolver.patch">
159: A source code patch exists which remedies this problem.</a>
1.11 miod 160: <p>
1.89 deraadt 161:
162: <li id="modssl">
163: <strong>008: SECURITY FIX: June 26, 2002</strong>
1.61 deraadt 164: <i>All architectures</i><br>
1.89 deraadt 165: A buffer overflow can occur in the .htaccess parsing code in mod_ssl httpd
166: module, leading to possible remote crash or exploit.<br>
167: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/008_mod_ssl.patch">
1.59 deraadt 168: A source code patch exists which remedies this problem.</a>
1.10 millert 169: <p>
1.89 deraadt 170:
171: <li id="ktrace">
172: <strong>009: SECURITY FIX: June 27, 2002</strong>
1.61 deraadt 173: <i>All architectures</i><br>
1.89 deraadt 174: The kernel would let any user <a href="https://man.openbsd.org/OpenBSD-3.1/ktrace.2">ktrace(2)</a> set[ug]id processes.<br>
175: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/009_ktrace.patch">
1.59 deraadt 176: A source code patch exists which remedies this problem.</a>
1.8 millert 177: <p>
1.89 deraadt 178:
179: <li id="isakmpd">
180: <strong>010: RELIABILITY FIX: July 5, 2002</strong>
1.61 deraadt 181: <i>All architectures</i><br>
1.89 deraadt 182: Receiving IKE payloads out of sequence can cause
183: <a href="https://man.openbsd.org/OpenBSD-3.1/isakmpd.8">isakmpd(8)</a> to crash.<br>
184: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/010_isakmpd.patch">
1.59 deraadt 185: A source code patch exists which remedies this problem.</a>
1.89 deraadt 186: <br>
187: This is the second version of the patch.
1.7 miod 188: <p>
1.89 deraadt 189:
190: <li id="pppd">
191: <strong>011: SECURITY FIX: July 29, 2002</strong>
1.61 deraadt 192: <i>All architectures</i><br>
1.89 deraadt 193: A race condition exists in the
194: <a href="https://man.openbsd.org/OpenBSD-3.1/pppd.8">pppd(8)</a>
195: daemon which may cause it to alter the file permissions of an arbitrary file.<br>
196: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/011_pppd.patch">
1.59 deraadt 197: A source code patch exists which remedies this problem.</a>
1.7 miod 198: <p>
1.89 deraadt 199:
200: <li id="xdr">
201: <strong>012: SECURITY FIX: July 29, 2002</strong>
1.61 deraadt 202: <i>All architectures</i><br>
1.5 miod 203: A buffer overflow can occur in the
1.89 deraadt 204: <a href="https://man.openbsd.org/OpenBSD-3.1/xdr_array.3">xdr_array(3)</a>
205: RPC code, leading to possible remote crash.<br>
206: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/012_xdr.patch">
1.59 deraadt 207: A source code patch exists which remedies this problem.</a>
1.89 deraadt 208: <br>
209: This is the second version of the patch.
1.6 mpech 210: <p>
1.89 deraadt 211:
212: <li id="ssl">
213: <strong>013: SECURITY FIX: July 30, 2002</strong>
1.61 deraadt 214: <i>All architectures</i><br>
1.89 deraadt 215: Several remote buffer overflows can occur in the SSL2 server and SSL3 client of the
216: <a href="https://man.openbsd.org/OpenBSD-3.1/ssl.8">ssl(8)</a>
217: library, as in the ASN.1 parser code in the
218: <a href="https://man.openbsd.org/OpenBSD-3.1/crypto.3">crypto(3)</a>
219: library, all of them being potentially remotely exploitable.<br>
220: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/013_ssl.patch">
1.59 deraadt 221: A source code patch exists which remedies this problem.</a>
1.89 deraadt 222: <br>
223: This is the second version of the patch.
1.1 deraadt 224: <p>
1.89 deraadt 225:
1.65 bentley 226: <li id="scarg">
1.88 bentley 227: <strong>014: SECURITY FIX: August 11, 2002</strong>
1.61 deraadt 228: <i>All architectures</i><br>
1.1 deraadt 229: An insufficient boundary check in the
1.83 tb 230: <a href="https://man.openbsd.org/OpenBSD-3.1/select.2">select(2)</a>
1.1 deraadt 231: system call allows an attacker to overwrite kernel memory and execute arbitrary
232: code in kernel context.<br>
1.79 tb 233: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/014_scarg.patch">
1.59 deraadt 234: A source code patch exists which remedies this problem.</a>
1.91 schwarze 235: For more details, see the <a href="advisories/select.txt">OpenBSD advisory</a>.
1.1 deraadt 236: <p>
1.89 deraadt 237:
238: <li id="kerntime">
239: <strong>015: SECURITY FIX: October 2, 2002</strong>
1.61 deraadt 240: <i>All architectures</i><br>
1.89 deraadt 241: Incorrect argument checking in the
242: <a href="https://man.openbsd.org/OpenBSD-3.1/setitimer.2">setitimer(2)</a> system call may allow an attacker to write to kernel memory.<br>
243: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/015_kerntime.patch">
1.59 deraadt 244: A source code patch exists which remedies this problem.</a>
1.1 deraadt 245: <p>
1.89 deraadt 246:
247: <li id="kadmin">
248: <strong>016: SECURITY FIX: October 21, 2002</strong>
1.61 deraadt 249: <i>All architectures</i><br>
1.56 deraadt 250: A buffer overflow can occur in the
1.89 deraadt 251: <a href="https://man.openbsd.org/OpenBSD-3.1/kadmind.8">kadmind(8)</a>
252: daemon, leading to possible remote crash or exploit.<br>
253: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/016_kadmin.patch">
1.59 deraadt 254: A source code patch exists which remedies this problem.</a>
1.1 deraadt 255: <p>
1.89 deraadt 256:
257: <li id="smrsh">
258: <strong>017: SECURITY FIX: November 6, 2002</strong>
1.61 deraadt 259: <i>All architectures</i><br>
1.89 deraadt 260: An attacker can bypass the restrictions imposed by sendmail's restricted shell,
261: <a href="https://man.openbsd.org/OpenBSD-3.1/smrsh.8">smrsh(8)</a>,
262: and execute arbitrary commands with the privileges of his own account.<br>
263: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/017_smrsh.patch">
1.59 deraadt 264: A source code patch exists which remedies this problem.</a>
1.1 deraadt 265: <p>
1.89 deraadt 266:
267: <li id="kernresource">
268: <strong>018: SECURITY FIX: November 6, 2002</strong>
1.61 deraadt 269: <i>All architectures</i><br>
1.89 deraadt 270: Incorrect argument checking in the
271: <a href="https://man.openbsd.org/OpenBSD-3.1/getrlimit.2">getrlimit(2)</a>
272: system call may allow an attacker to crash the kernel.<br>
273: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/018_kernresource.patch">
1.59 deraadt 274: A source code patch exists which remedies this problem.</a>
1.1 deraadt 275: <p>
1.89 deraadt 276:
277: <li id="named">
278: <strong>019: SECURITY FIX: November 14, 2002</strong>
1.61 deraadt 279: <i>All architectures</i><br>
1.89 deraadt 280: A buffer overflow in
281: <a href="https://man.openbsd.org/OpenBSD-3.1/named.8">named(8)</a>
282: could allow an attacker to execute code with the privileges of named.
283: On OpenBSD, named runs as a non-root user in a chrooted environment
284: which mitigates the effects of this bug.<br>
285: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/019_named.patch">
1.59 deraadt 286: A source code patch exists which remedies this problem.</a>
1.1 deraadt 287: <p>
1.89 deraadt 288:
289: <li id="cvs">
290: <strong>020: SECURITY FIX: January 20, 2003</strong>
1.61 deraadt 291: <i>All architectures</i><br>
1.89 deraadt 292: A double free in
293: <a href="https://man.openbsd.org/OpenBSD-3.1/cvs.1">cvs(1)</a>
294: could allow an attacker to execute code with the privileges of the
295: user running cvs. This is only an issue when the cvs command is
296: being run on a user's behalf as a different user. This means that,
297: in most cases, the issue only exists for cvs configurations that use
298: the <em>pserver</em> client/server connection method.<br>
299: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/020_cvs.patch">
1.59 deraadt 300: A source code patch exists which remedies this problem.</a>
1.1 deraadt 301: <p>
1.89 deraadt 302:
303: <li id="ssl2">
304: <strong>021: SECURITY FIX: February 23, 2003</strong>
1.61 deraadt 305: <i>All architectures</i><br>
1.89 deraadt 306: In
307: <a href="https://man.openbsd.org/OpenBSD-3.1/ssl.8">ssl(8)</a> an information leak can occur via timing by performing a MAC computation
308: even if incorrect block cipher padding has been found, this is a
309: countermeasure. Also, check for negative sizes in memory allocation routines.<br>
310: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/021_ssl.patch">
311: A source code patch exists which fixes these two issues</a>.
1.1 deraadt 312: <p>
1.89 deraadt 313:
314: <li id="sendmail">
315: <strong>022: SECURITY FIX: March 3, 2003</strong>
1.61 deraadt 316: <i>All architectures</i><br>
1.89 deraadt 317: A buffer overflow in the envelope comments processing in
318: <a href="https://man.openbsd.org/OpenBSD-3.1/sendmail.8">sendmail(8)</a>
319: may allow an attacker to gain root privileges.<br>
320: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/022_sendmail.patch">
321: A source code patch exists which remedies this problem.</a>
1.1 deraadt 322: <p>
1.89 deraadt 323:
324: <li id="lprm">
325: <strong>023: SECURITY FIX: March 5, 2003</strong>
1.61 deraadt 326: <i>All architectures</i><br>
1.89 deraadt 327: A fix for an
328: <a href="https://man.openbsd.org/OpenBSD-3.1/lprm.1">lprm(1)</a>
329: bug made in 1996 contains an error that could lead to privilege escalation.
330: <br>
331: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/023_lprm.patch">
1.59 deraadt 332: A source code patch exists which remedies this problem.</a>
1.1 deraadt 333: <p>
1.89 deraadt 334:
335: <li id="blinding">
336: <strong>024: SECURITY FIX: March 18, 2003</strong>
1.61 deraadt 337: <i>All architectures</i><br>
1.89 deraadt 338: Various SSL and TLS operations in OpenSSL are vulnerable to timing attacks.
339: <br>
340: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/024_blinding.patch">
1.59 deraadt 341: A source code patch exists which remedies this problem.</a>
1.1 deraadt 342: <p>
1.89 deraadt 343:
344: <li id="kpr">
345: <strong>025: SECURITY FIX: March 19, 2003</strong>
1.61 deraadt 346: <i>All architectures</i><br>
1.89 deraadt 347: OpenSSL is vulnerable to an extension of the "Bleichenbacher" attack designed
348: by Czech researchers Klima, Pokorny and Rosa.
349: <br>
350: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/025_kpr.patch">
1.59 deraadt 351: A source code patch exists which remedies this problem.</a>
1.1 deraadt 352: <p>
1.89 deraadt 353:
354: <li id="kerberos">
355: <strong>026: SECURITY FIX: March 24, 2003</strong>
1.61 deraadt 356: <i>All architectures</i><br>
1.89 deraadt 357: The cryptographic weaknesses in the Kerberos v4 protocol can be exploited
358: on Kerberos v5 as well.
359: <br>
360: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/026_kerberos.patch">
1.59 deraadt 361: A source code patch exists which remedies this problem.</a>
1.1 deraadt 362: <p>
1.89 deraadt 363:
364: <li id="sendmail2">
365: <strong>027: SECURITY FIX: March 31, 2003</strong>
1.61 deraadt 366: <i>All architectures</i><br>
1.89 deraadt 367: A buffer overflow in the address parsing in
368: <a href="https://man.openbsd.org/OpenBSD-3.1/sendmail.8">sendmail(8)</a>
369: may allow an attacker to gain root privileges.<br>
370: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/027_sendmail.patch">
1.59 deraadt 371: A source code patch exists which remedies this problem.</a>
1.1 deraadt 372: <p>
1.77 deraadt 373:
1.1 deraadt 374: </ul>
1.57 deraadt 375:
1.66 tedu 376: <hr>
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