CVE-2013-7459

Heap-based buffer overflow in the ALGnew function in block_templace.c in Python Cryptography Toolkit (aka pycrypto) allows remote attackers to execute arbitrary code as demonstrated by a crafted iv parameter to cryptmsg.py.

• CWE-119

• http://www.openwall.com/lists/oss-security/2016/12/27/8Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/95122Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=1409754Issue Tracking, Third Party Advisory, VDB Entry
• https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4Patch
• https://github.com/dlitz/pycrypto/issues/176Patch, Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3B/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJ37R2YLX56YZABFNAOWV4VTHTGYREAE/
• https://pony7.fr/ctf:public:32c3:cryptmsgExploit, Technical Description, Third Party Advisory
• https://security.gentoo.org/glsa/201702-14
• http://www.openwall.com/lists/oss-security/2016/12/27/8Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/95122Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=1409754Issue Tracking, Third Party Advisory, VDB Entry
• https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4Patch
• https://github.com/dlitz/pycrypto/issues/176Patch, Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3B/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJ37R2YLX56YZABFNAOWV4VTHTGYREAE/
• https://pony7.fr/ctf:public:32c3:cryptmsgExploit, Technical Description, Third Party Advisory
• https://security.gentoo.org/glsa/201702-14

Published

Feb 15, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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