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