CVE-2013-7459

Description

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.

Predictions

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

References

• https://www.suse.com/security/cve/CVE-2013-7459.html
• http://www.openwall.com/lists/oss-security/2016/12/27/8
• http://www.securityfocus.com/bid/95122
• https://bugzilla.redhat.com/show_bug.cgi?id=1409754
• https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4
• https://github.com/dlitz/pycrypto/issues/176
• 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:cryptmsg
• https://security.gentoo.org/glsa/201702-14
• https://nvd.nist.gov/vuln/detail/CVE-2013-7459
• https://github.com/advisories/GHSA-cq27-v7xp-c356
• https://github.com/dlitz/pycrypto
• https://github.com/pypa/advisory-database/tree/main/vulns/pycrypto/PYSEC-2017-94.yaml
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3B
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RJ37R2YLX56YZABFNAOWV4VTHTGYREAE
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RJ37R2YLX56YZABFNAOWV4VTHTGYREAE/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3B/

CWEs

CWE-119