Python 2.5.2 and earlier allows context-dependent attackers to execute arbitrary...

Vulnerability Description

Python 2.5.2 and earlier allows context-dependent attackers to execute arbitrary code via multiple vectors that cause a negative size value to be provided to the PyString_FromStringAndSize function, which allocates less memory than expected when assert() is disabled and triggers a buffer overflow.

References

• http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html
• http://bugs.python.org/issue2587
• http://security.gentoo.org/glsa/glsa-200807-01.xml
• http://secunia.com/advisories/30872
• http://www.securityfocus.com/archive/1/506056/100/0/threaded
• http://secunia.com/advisories/33937
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8624
• http://secunia.com/advisories/37471
• https://exchange.xforce.ibmcloud.com/vulnerabilities/41944
• http://secunia.com/advisories/31687
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10407
• http://www.securityfocus.com/archive/1/490776
• http://www.debian.org/security/2008/dsa-1551
• http://www.vmware.com/security/advisories/VMSA-2009-0016.html
• http://support.apple.com/kb/HT3438
• http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
• http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0122
• http://www.securityfocus.com/bid/28749
• http://www.ubuntu.com/usn/usn-632-1
• http://www.securityfocus.com/archive/1/507985/100/0/threaded
• http://secunia.com/advisories/31518
• http://secunia.com/advisories/31365
• http://secunia.com/advisories/31255
• http://www.novell.com/support/search.do?cmd=displayKC&docType=kc&externalId=InfoDocument-patchbuilder-readme5032900
• http://www.debian.org/security/2008/dsa-1620
• http://www.vupen.com/english/advisories/2009/3316
• http://secunia.com/advisories/29889