CVEvulnerability

CVE-2009-3720

5.0 MEDIUM Published 2009-11-03 Modified 2026-07-20 Official page ↗

Status: Modified
Published: 2009-11-03
Last modified: 2026-07-20
Assigner: [email protected]
CVSS 2.0 ([email protected]): 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P

Description

The updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and other software, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with crafted UTF-8 sequences that trigger a buffer over-read, a different vulnerability than CVE-2009-2625.

Affected configurations

• libexpat project libexpat 2.0.1 • apache http server (>= 2.0.35 < 2.0.64) • apache http server (>= 2.2.0 < 2.2.17)

References

http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmltok_impl.c?r1=1.13&r2=1.15&view=patch Exploit
http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmltok_impl.c?view=log Mailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051228.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051247.html Mailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051367.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051405.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051442.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html Third Party Advisory, VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html Third Party Advisory, VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html Third Party Advisory, VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html Third Party Advisory, VDB Entry
http://lists.vmware.com/pipermail/security-announce/2010/000082.html Broken Link
http://mail.python.org/pipermail/expat-bugs/2009-January/002781.html Third Party Advisory
http://marc.info/?l=bugtraq&m=130168502603566&w=2 Mailing List, Third Party Advisory
http://secunia.com/advisories/37324 Broken Link
http://secunia.com/advisories/37537 Broken Link
http://secunia.com/advisories/37925 Broken Link
http://secunia.com/advisories/38050 Broken Link
http://secunia.com/advisories/38231 Broken Link
http://secunia.com/advisories/38794 Broken Link
http://secunia.com/advisories/38832 Broken Link
http://secunia.com/advisories/38834 Broken Link
http://secunia.com/advisories/39478 Broken Link
http://secunia.com/advisories/41701 Broken Link
http://secunia.com/advisories/42326 Broken Link
http://secunia.com/advisories/42338 Broken Link
http://secunia.com/advisories/43300 Broken Link
http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.486026 Mailing List, Third Party Advisory
http://sourceforge.net/tracker/index.php?func=detail&aid=1990430&group_id=10127&atid=110127 Mailing List, Third Party Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-66-273630-1 Broken Link
http://svn.python.org/view?view=rev&revision=74429 Permissions Required, Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:211 Permissions Required, Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:212 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2009:215 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2009:216 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2009:217 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2009:218 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2009:219 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2009:220 Broken Link
http://www.openwall.com/lists/oss-security/2009/08/21/2 Mailing List
http://www.openwall.com/lists/oss-security/2009/08/26/3 Mailing List
http://www.openwall.com/lists/oss-security/2009/08/26/4 Mailing List
http://www.openwall.com/lists/oss-security/2009/08/27/6 Mailing List
http://www.openwall.com/lists/oss-security/2009/09/06/1 Mailing List
http://www.openwall.com/lists/oss-security/2009/10/22/5 Mailing List
http://www.openwall.com/lists/oss-security/2009/10/22/9 Mailing List
http://www.openwall.com/lists/oss-security/2009/10/23/2 Mailing List
http://www.openwall.com/lists/oss-security/2009/10/23/6 Mailing List
http://www.openwall.com/lists/oss-security/2009/10/26/3 Mailing List
http://www.openwall.com/lists/oss-security/2009/10/28/3 Mailing List
http://www.redhat.com/support/errata/RHSA-2010-0002.html Broken Link
http://www.redhat.com/support/errata/RHSA-2011-0896.html Broken Link
http://www.securitytracker.com/id?1023160 Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-890-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-890-6 Third Party Advisory
http://www.vupen.com/english/advisories/2010/0528 Broken Link
http://www.vupen.com/english/advisories/2010/0896 Broken Link
http://www.vupen.com/english/advisories/2010/1107 Broken Link
http://www.vupen.com/english/advisories/2010/3035 Broken Link
http://www.vupen.com/english/advisories/2010/3053 Broken Link
http://www.vupen.com/english/advisories/2010/3061 Broken Link
http://www.vupen.com/english/advisories/2011/0359 Broken Link
https://bugs.gentoo.org/show_bug.cgi?id=280615 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=531697 Issue Tracking
https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E Third Party Advisory
https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E Third Party Advisory
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E Third Party Advisory
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E Third Party Advisory
https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E Third Party Advisory
https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e%40%3Ccvs.httpd.apache.org%3E Third Party Advisory
https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E Third Party Advisory
https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E Third Party Advisory
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E Third Party Advisory
https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E Third Party Advisory
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E Third Party Advisory
https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E Third Party Advisory
https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E Third Party Advisory
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E Third Party Advisory
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E Third Party Advisory