CVE-2009-3720 · threatengine.sh

Home/CVE/The updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and o

CVE

CVE-2009-3720

The updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and o

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.

MEDIUM · CVSS 5 EPSS 0.01573

Schedule remediation

Public exploit or PoC is available

Sigma rules8 YARA rules0

▤

Affected Products & Versions

3

libexpat project libexpatall versions
apache http server>= 2.0.35 and < 2.0.64
apache http server>= 2.2.0 and < 2.2.17

⚠

Public Exploits & PoCs

1

pocexpat.cvs.sourceforge.net · xmltok_impl.c?r1=1.13&r2=1.15&view=patchexpat.cvs.sourceforge.net

◈

Sigma Hunt Rules

8

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

producthighPython Reverse Shell Execution Via PTY And Socket Modules

producthighInline Python Execution - Spawn Shell Via OS System Library

producthighPython One-Liners with Base64 Decoding - Linux

producthighPython Function Execution Security Warning Disabled In Excel

producthighPython One-Liners with Base64 Decoding

producthighPython Spawning Pretty TTY on Windows

Show all 8 top matches

producthighCredential Dumping Activity By Python Based Tool

producthighPython Function Execution Security Warning Disabled In Excel - Registry

See all related Sigma rules for this CVE

▣

Scoring & Timeline

5

MEDIUM · CVSS v2 (legacy) · secalert@redhat.com

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published to NVD03 Nov 2009 · 04:30 PM

⚑

Vendor Advisories

19

suse-csafopenSUSE-SU-2024:10077-1
suse-csafopenSUSE-SU-2024:10268-1
suse-csafopenSUSE-SU-2024:10568-1
suse-csafopenSUSE-SU-2024:11586-1
rhsaRHSA-2017:3239Moderate
Show all 19 vendor advisoriesrhsaRHSA-2011:0896Low
rhsaRHSA-2011:0491Moderate
rhsaRHSA-2011:0492Moderate
rhsaRHSA-2010:0478Moderate
usnUSN-890-6
usnUSN-890-5
usnUSN-890-4
usnUSN-890-3
usnUSN-890-2
usnUSN-890-1
rhsaRHSA-2009:1625Moderate
rhsaRHSA-2009:1692Moderate
rhsaRHSA-2010:0002Moderate
rhsaRHSA-2009:1572Moderate

🔗

References & Sources

79

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmltok_impl.c?view=logMailing ListThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051228.htmlThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051247.htmlMailing ListThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051367.htmlThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051405.htmlThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051442.htmlThird Party Advisory

Show all 79 references

http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.htmlThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.htmlThird Party AdvisoryVDB Entry

http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.htmlThird Party AdvisoryVDB Entry

http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.htmlThird Party AdvisoryVDB Entry

http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.htmlThird Party AdvisoryVDB Entry

http://lists.vmware.com/pipermail/security-announce/2010/000082.htmlBroken Link

http://mail.python.org/pipermail/expat-bugs/2009-January/002781.htmlThird Party Advisory

http://marc.info/?l=bugtraq&m=130168502603566&w=2Mailing ListThird Party Advisory

http://secunia.com/advisories/37324Broken Link

http://secunia.com/advisories/37537Broken Link

http://secunia.com/advisories/37925Broken Link

http://secunia.com/advisories/38050Broken Link

http://secunia.com/advisories/38231Broken Link

http://secunia.com/advisories/38794Broken Link

http://secunia.com/advisories/38832Broken Link

http://secunia.com/advisories/38834Broken Link

http://secunia.com/advisories/39478Broken Link

http://secunia.com/advisories/41701Broken Link

http://secunia.com/advisories/42326Broken Link

http://secunia.com/advisories/42338Broken Link

http://secunia.com/advisories/43300Broken Link

http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.486026Mailing ListThird Party Advisory

http://sourceforge.net/tracker/index.php?func=detail&aid=1990430&group_id=10127&atid=110127Mailing ListThird Party Advisory

http://sunsolve.sun.com/search/document.do?assetkey=1-66-273630-1Broken Link

http://svn.python.org/view?view=rev&revision=74429Permissions RequiredThird Party Advisory

http://www.mandriva.com/security/advisories?name=MDVSA-2009:211Permissions RequiredThird Party Advisory

http://www.mandriva.com/security/advisories?name=MDVSA-2009:212Broken Link

http://www.mandriva.com/security/advisories?name=MDVSA-2009:215Broken Link

http://www.mandriva.com/security/advisories?name=MDVSA-2009:216Broken Link

http://www.mandriva.com/security/advisories?name=MDVSA-2009:217Broken Link

http://www.mandriva.com/security/advisories?name=MDVSA-2009:218Broken Link

http://www.mandriva.com/security/advisories?name=MDVSA-2009:219Broken Link

http://www.mandriva.com/security/advisories?name=MDVSA-2009:220Broken Link

http://www.openwall.com/lists/oss-security/2009/08/21/2Mailing List

http://www.openwall.com/lists/oss-security/2009/08/26/3Mailing List

http://www.openwall.com/lists/oss-security/2009/08/26/4Mailing List

http://www.openwall.com/lists/oss-security/2009/08/27/6Mailing List

http://www.openwall.com/lists/oss-security/2009/09/06/1Mailing List

http://www.openwall.com/lists/oss-security/2009/10/22/5Mailing List

http://www.openwall.com/lists/oss-security/2009/10/22/9Mailing List

http://www.openwall.com/lists/oss-security/2009/10/23/2Mailing List

http://www.openwall.com/lists/oss-security/2009/10/23/6Mailing List

http://www.openwall.com/lists/oss-security/2009/10/26/3Mailing List

http://www.openwall.com/lists/oss-security/2009/10/28/3Mailing List

http://www.redhat.com/support/errata/RHSA-2010-0002.htmlBroken Link

http://www.redhat.com/support/errata/RHSA-2011-0896.htmlBroken Link

http://www.securitytracker.com/id?1023160Third Party AdvisoryVDB Entry

http://www.ubuntu.com/usn/USN-890-1Third Party Advisory

http://www.ubuntu.com/usn/USN-890-6Third Party Advisory

http://www.vupen.com/english/advisories/2010/0528Broken Link

http://www.vupen.com/english/advisories/2010/0896Broken Link

http://www.vupen.com/english/advisories/2010/1107Broken Link

http://www.vupen.com/english/advisories/2010/3035Broken Link

http://www.vupen.com/english/advisories/2010/3053Broken Link

http://www.vupen.com/english/advisories/2010/3061Broken Link

http://www.vupen.com/english/advisories/2011/0359Broken Link

https://bugs.gentoo.org/show_bug.cgi?id=280615Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=531697Issue Tracking

https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3EThird Party Advisory

https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3EThird Party Advisory

https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3EThird Party Advisory

https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3EThird Party Advisory

https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3EThird Party Advisory

https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e%40%3Ccvs.httpd.apache.org%3EThird Party Advisory

https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3EThird Party Advisory

https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3EThird Party Advisory

https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3EThird Party Advisory

https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3EThird Party Advisory

https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3EThird Party Advisory

https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3EThird Party Advisory

https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3EThird Party Advisory

https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3EThird Party Advisory

https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3EThird Party Advisory

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