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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>,
1.93 deraadt 72: <a href="errata66.html">6.6</a>,
1.94 deraadt 73: <a href="errata67.html">6.7</a>,
1.95 deraadt 74: <a href="errata68.html">6.8</a>,
1.96 tj 75: <br>
1.97 deraadt 76: <a href="errata69.html">6.9</a>,
1.98 ! deraadt 77: <a href="errata70.html">7.0</a>,
! 78: <a href="errata71.html">7.1</a>.
1.1 deraadt 79: <hr>
80:
1.59 deraadt 81: <p>
1.80 tj 82: Patches for the OpenBSD base system are distributed as unified diffs.
83: Each patch contains usage instructions.
84: All the following patches are also available in one
85: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1.tar.gz">tar.gz file</a>
86: for convenience.
1.1 deraadt 87:
1.59 deraadt 88: <p>
1.80 tj 89: Patches for supported releases are also incorporated into the
1.81 tj 90: <a href="stable.html">-stable branch</a>.
1.59 deraadt 91:
1.1 deraadt 92: <hr>
93:
94: <ul>
1.89 deraadt 95:
96: <li id="sshafs">
97: <strong>001: SECURITY FIX: April 22, 2002</strong>
1.61 deraadt 98: <i>All architectures</i><br>
1.89 deraadt 99: A local user can gain super-user privileges due to a buffer overflow
100: in <a href="https://man.openbsd.org/OpenBSD-3.1/sshd.8">sshd(8)</a>
101: if AFS has been configured on the system or if
102: KerberosTgtPassing or AFSTokenPassing has been enabled
103: in the sshd_config file. Ticket and token passing is not enabled
104: by default.<br>
105: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/001_sshafs.patch">
1.59 deraadt 106: A source code patch exists which remedies this problem.</a>
1.26 miod 107: <p>
1.89 deraadt 108:
109: <li id="sudo">
110: <strong>002: SECURITY FIX: April 25, 2002</strong>
1.61 deraadt 111: <i>All architectures</i><br>
1.89 deraadt 112: 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>
113: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/002_sudo.patch">
1.59 deraadt 114: A source code patch exists which remedies this problem.</a>
1.22 millert 115: <p>
1.89 deraadt 116:
117: <li id="fdalloc2">
118: <strong>003: SECURITY FIX: May 8, 2002</strong>
1.61 deraadt 119: <i>All architectures</i><br>
1.89 deraadt 120: A race condition exists where an attacker could fill the file descriptor
121: table and defeat the kernel's protection of fd slots 0, 1, and 2 for a
122: setuid or setgid process.<br>
123: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/003_fdalloc2.patch">
1.59 deraadt 124: A source code patch exists which remedies this problem.</a>
1.20 miod 125: <p>
1.89 deraadt 126:
127: <li id="sshbsdauth">
128: <strong>004: SECURITY FIX: May 22, 2002</strong>
1.61 deraadt 129: <i>All architectures</i><br>
1.89 deraadt 130: Under certain conditions, on systems using YP with netgroups in the
131: password database, it is possible that
132: <a href="https://man.openbsd.org/OpenBSD-3.1/sshd.8">sshd(8)</a>
133: does ACL checks for the requested user name but uses the password
134: database entry of a different user for authentication. This means
135: that denied users might authenticate successfully while permitted
136: users could be locked out.<br>
137: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/004_sshbsdauth.patch">
1.59 deraadt 138: A source code patch exists which remedies this problem.</a>
1.19 miod 139: <p>
1.89 deraadt 140:
141: <li id="httpd">
142: <strong>005: SECURITY FIX: June 19, 2002</strong>
1.61 deraadt 143: <i>All architectures</i><br>
1.89 deraadt 144: A buffer overflow can occur during the interpretation of chunked
145: encoding in the http daemon, leading to possible remote crash or exploit.<br>
146: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/005_httpd.patch">
1.59 deraadt 147: A source code patch exists which remedies this problem.</a>
1.16 millert 148: <p>
1.89 deraadt 149:
150: <li id="sshd">
151: <strong>006: SECURITY FIX: June 24, 2002</strong>
1.61 deraadt 152: <i>All architectures</i><br>
1.89 deraadt 153: All versions of OpenSSH's sshd between 2.3.1 and 3.3 contain an input validation
154: error that can result in an integer overflow and privilege escalation.
155: This problem is fixed in <a href="https://www.openssh.com/openbsd.html">OpenSSH
156: 3.4</a>, and a patch for the vulnerable releases is available as part of the
157: <a href="https://www.openssh.com/txt/preauth.adv">security advisory</a>.
1.13 miod 158: <p>
1.89 deraadt 159:
160: <li id="resolver">
161: <strong>007: SECURITY FIX: June 25, 2002</strong>
1.61 deraadt 162: <i>All architectures</i><br>
1.89 deraadt 163: A potential buffer overflow in the DNS resolver has been found.<br>
164: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/007_resolver.patch">
165: A source code patch exists which remedies this problem.</a>
1.11 miod 166: <p>
1.89 deraadt 167:
168: <li id="modssl">
169: <strong>008: SECURITY FIX: June 26, 2002</strong>
1.61 deraadt 170: <i>All architectures</i><br>
1.89 deraadt 171: A buffer overflow can occur in the .htaccess parsing code in mod_ssl httpd
172: module, leading to possible remote crash or exploit.<br>
173: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/008_mod_ssl.patch">
1.59 deraadt 174: A source code patch exists which remedies this problem.</a>
1.10 millert 175: <p>
1.89 deraadt 176:
177: <li id="ktrace">
178: <strong>009: SECURITY FIX: June 27, 2002</strong>
1.61 deraadt 179: <i>All architectures</i><br>
1.89 deraadt 180: 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>
181: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/009_ktrace.patch">
1.59 deraadt 182: A source code patch exists which remedies this problem.</a>
1.8 millert 183: <p>
1.89 deraadt 184:
185: <li id="isakmpd">
186: <strong>010: RELIABILITY FIX: July 5, 2002</strong>
1.61 deraadt 187: <i>All architectures</i><br>
1.89 deraadt 188: Receiving IKE payloads out of sequence can cause
189: <a href="https://man.openbsd.org/OpenBSD-3.1/isakmpd.8">isakmpd(8)</a> to crash.<br>
190: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/010_isakmpd.patch">
1.59 deraadt 191: A source code patch exists which remedies this problem.</a>
1.89 deraadt 192: <br>
193: This is the second version of the patch.
1.7 miod 194: <p>
1.89 deraadt 195:
196: <li id="pppd">
197: <strong>011: SECURITY FIX: July 29, 2002</strong>
1.61 deraadt 198: <i>All architectures</i><br>
1.89 deraadt 199: A race condition exists in the
200: <a href="https://man.openbsd.org/OpenBSD-3.1/pppd.8">pppd(8)</a>
201: daemon which may cause it to alter the file permissions of an arbitrary file.<br>
202: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/011_pppd.patch">
1.59 deraadt 203: A source code patch exists which remedies this problem.</a>
1.7 miod 204: <p>
1.89 deraadt 205:
206: <li id="xdr">
207: <strong>012: SECURITY FIX: July 29, 2002</strong>
1.61 deraadt 208: <i>All architectures</i><br>
1.5 miod 209: A buffer overflow can occur in the
1.89 deraadt 210: <a href="https://man.openbsd.org/OpenBSD-3.1/xdr_array.3">xdr_array(3)</a>
211: RPC code, leading to possible remote crash.<br>
212: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/012_xdr.patch">
1.59 deraadt 213: A source code patch exists which remedies this problem.</a>
1.89 deraadt 214: <br>
215: This is the second version of the patch.
1.6 mpech 216: <p>
1.89 deraadt 217:
218: <li id="ssl">
219: <strong>013: SECURITY FIX: July 30, 2002</strong>
1.61 deraadt 220: <i>All architectures</i><br>
1.89 deraadt 221: Several remote buffer overflows can occur in the SSL2 server and SSL3 client of the
222: <a href="https://man.openbsd.org/OpenBSD-3.1/ssl.8">ssl(8)</a>
223: library, as in the ASN.1 parser code in the
224: <a href="https://man.openbsd.org/OpenBSD-3.1/crypto.3">crypto(3)</a>
225: library, all of them being potentially remotely exploitable.<br>
226: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/013_ssl.patch">
1.59 deraadt 227: A source code patch exists which remedies this problem.</a>
1.89 deraadt 228: <br>
229: This is the second version of the patch.
1.1 deraadt 230: <p>
1.89 deraadt 231:
1.65 bentley 232: <li id="scarg">
1.88 bentley 233: <strong>014: SECURITY FIX: August 11, 2002</strong>
1.61 deraadt 234: <i>All architectures</i><br>
1.1 deraadt 235: An insufficient boundary check in the
1.83 tb 236: <a href="https://man.openbsd.org/OpenBSD-3.1/select.2">select(2)</a>
1.1 deraadt 237: system call allows an attacker to overwrite kernel memory and execute arbitrary
238: code in kernel context.<br>
1.79 tb 239: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/014_scarg.patch">
1.59 deraadt 240: A source code patch exists which remedies this problem.</a>
1.91 schwarze 241: For more details, see the <a href="advisories/select.txt">OpenBSD advisory</a>.
1.1 deraadt 242: <p>
1.89 deraadt 243:
244: <li id="kerntime">
245: <strong>015: SECURITY FIX: October 2, 2002</strong>
1.61 deraadt 246: <i>All architectures</i><br>
1.89 deraadt 247: Incorrect argument checking in the
248: <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>
249: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/015_kerntime.patch">
1.59 deraadt 250: A source code patch exists which remedies this problem.</a>
1.1 deraadt 251: <p>
1.89 deraadt 252:
253: <li id="kadmin">
254: <strong>016: SECURITY FIX: October 21, 2002</strong>
1.61 deraadt 255: <i>All architectures</i><br>
1.56 deraadt 256: A buffer overflow can occur in the
1.89 deraadt 257: <a href="https://man.openbsd.org/OpenBSD-3.1/kadmind.8">kadmind(8)</a>
258: daemon, leading to possible remote crash or exploit.<br>
259: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/016_kadmin.patch">
1.59 deraadt 260: A source code patch exists which remedies this problem.</a>
1.1 deraadt 261: <p>
1.89 deraadt 262:
263: <li id="smrsh">
264: <strong>017: SECURITY FIX: November 6, 2002</strong>
1.61 deraadt 265: <i>All architectures</i><br>
1.89 deraadt 266: An attacker can bypass the restrictions imposed by sendmail's restricted shell,
267: <a href="https://man.openbsd.org/OpenBSD-3.1/smrsh.8">smrsh(8)</a>,
268: and execute arbitrary commands with the privileges of his own account.<br>
269: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/017_smrsh.patch">
1.59 deraadt 270: A source code patch exists which remedies this problem.</a>
1.1 deraadt 271: <p>
1.89 deraadt 272:
273: <li id="kernresource">
274: <strong>018: SECURITY FIX: November 6, 2002</strong>
1.61 deraadt 275: <i>All architectures</i><br>
1.89 deraadt 276: Incorrect argument checking in the
277: <a href="https://man.openbsd.org/OpenBSD-3.1/getrlimit.2">getrlimit(2)</a>
278: system call may allow an attacker to crash the kernel.<br>
279: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/018_kernresource.patch">
1.59 deraadt 280: A source code patch exists which remedies this problem.</a>
1.1 deraadt 281: <p>
1.89 deraadt 282:
283: <li id="named">
284: <strong>019: SECURITY FIX: November 14, 2002</strong>
1.61 deraadt 285: <i>All architectures</i><br>
1.89 deraadt 286: A buffer overflow in
287: <a href="https://man.openbsd.org/OpenBSD-3.1/named.8">named(8)</a>
288: could allow an attacker to execute code with the privileges of named.
289: On OpenBSD, named runs as a non-root user in a chrooted environment
290: which mitigates the effects of this bug.<br>
291: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/019_named.patch">
1.59 deraadt 292: A source code patch exists which remedies this problem.</a>
1.1 deraadt 293: <p>
1.89 deraadt 294:
295: <li id="cvs">
296: <strong>020: SECURITY FIX: January 20, 2003</strong>
1.61 deraadt 297: <i>All architectures</i><br>
1.89 deraadt 298: A double free in
299: <a href="https://man.openbsd.org/OpenBSD-3.1/cvs.1">cvs(1)</a>
300: could allow an attacker to execute code with the privileges of the
301: user running cvs. This is only an issue when the cvs command is
302: being run on a user's behalf as a different user. This means that,
303: in most cases, the issue only exists for cvs configurations that use
304: the <em>pserver</em> client/server connection method.<br>
305: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/020_cvs.patch">
1.59 deraadt 306: A source code patch exists which remedies this problem.</a>
1.1 deraadt 307: <p>
1.89 deraadt 308:
309: <li id="ssl2">
310: <strong>021: SECURITY FIX: February 23, 2003</strong>
1.61 deraadt 311: <i>All architectures</i><br>
1.89 deraadt 312: In
313: <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
314: even if incorrect block cipher padding has been found, this is a
315: countermeasure. Also, check for negative sizes in memory allocation routines.<br>
316: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/021_ssl.patch">
317: A source code patch exists which fixes these two issues</a>.
1.1 deraadt 318: <p>
1.89 deraadt 319:
320: <li id="sendmail">
321: <strong>022: SECURITY FIX: March 3, 2003</strong>
1.61 deraadt 322: <i>All architectures</i><br>
1.89 deraadt 323: A buffer overflow in the envelope comments processing in
324: <a href="https://man.openbsd.org/OpenBSD-3.1/sendmail.8">sendmail(8)</a>
325: may allow an attacker to gain root privileges.<br>
326: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/022_sendmail.patch">
327: A source code patch exists which remedies this problem.</a>
1.1 deraadt 328: <p>
1.89 deraadt 329:
330: <li id="lprm">
331: <strong>023: SECURITY FIX: March 5, 2003</strong>
1.61 deraadt 332: <i>All architectures</i><br>
1.89 deraadt 333: A fix for an
334: <a href="https://man.openbsd.org/OpenBSD-3.1/lprm.1">lprm(1)</a>
335: bug made in 1996 contains an error that could lead to privilege escalation.
336: <br>
337: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/023_lprm.patch">
1.59 deraadt 338: A source code patch exists which remedies this problem.</a>
1.1 deraadt 339: <p>
1.89 deraadt 340:
341: <li id="blinding">
342: <strong>024: SECURITY FIX: March 18, 2003</strong>
1.61 deraadt 343: <i>All architectures</i><br>
1.89 deraadt 344: Various SSL and TLS operations in OpenSSL are vulnerable to timing attacks.
345: <br>
346: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/024_blinding.patch">
1.59 deraadt 347: A source code patch exists which remedies this problem.</a>
1.1 deraadt 348: <p>
1.89 deraadt 349:
350: <li id="kpr">
351: <strong>025: SECURITY FIX: March 19, 2003</strong>
1.61 deraadt 352: <i>All architectures</i><br>
1.89 deraadt 353: OpenSSL is vulnerable to an extension of the "Bleichenbacher" attack designed
354: by Czech researchers Klima, Pokorny and Rosa.
355: <br>
356: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/025_kpr.patch">
1.59 deraadt 357: A source code patch exists which remedies this problem.</a>
1.1 deraadt 358: <p>
1.89 deraadt 359:
360: <li id="kerberos">
361: <strong>026: SECURITY FIX: March 24, 2003</strong>
1.61 deraadt 362: <i>All architectures</i><br>
1.89 deraadt 363: The cryptographic weaknesses in the Kerberos v4 protocol can be exploited
364: on Kerberos v5 as well.
365: <br>
366: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/026_kerberos.patch">
1.59 deraadt 367: A source code patch exists which remedies this problem.</a>
1.1 deraadt 368: <p>
1.89 deraadt 369:
370: <li id="sendmail2">
371: <strong>027: SECURITY FIX: March 31, 2003</strong>
1.61 deraadt 372: <i>All architectures</i><br>
1.89 deraadt 373: A buffer overflow in the address parsing in
374: <a href="https://man.openbsd.org/OpenBSD-3.1/sendmail.8">sendmail(8)</a>
375: may allow an attacker to gain root privileges.<br>
376: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.1/common/027_sendmail.patch">
1.59 deraadt 377: A source code patch exists which remedies this problem.</a>
1.1 deraadt 378: <p>
1.77 deraadt 379:
1.1 deraadt 380: </ul>
1.57 deraadt 381:
1.66 tedu 382: <hr>
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