CVE-2009-3560

The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with malformed UTF-8 sequences that trigger a buffer over-read, related to the doProlog function in lib/xmlparse.c, a different vulnerability than CVE-2009-2625 and CVE-2009-3720.

🔗 References (116)

• secalert@redhathttp://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmlparse.c?r1=1.164&r2=1.165
• secalert@redhathttp://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmlparse.c?view=log#rev1.165
• secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2010-01/msg00007.html
• secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
• secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
• secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
• secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
• secalert@redhathttp://lists.vmware.com/pipermail/security-announce/2010/000082.html
• secalert@redhathttp://mail.python.org/pipermail/expat-bugs/2009-November/002846.html
• secalert@redhathttp://marc.info/?l=bugtraq&m=130168502603566&w=2
• secalert@redhathttp://secunia.com/advisories/37537
• secalert@redhathttp://secunia.com/advisories/38231
• secalert@redhathttp://secunia.com/advisories/38794
• secalert@redhathttp://secunia.com/advisories/38832
• secalert@redhathttp://secunia.com/advisories/38834