CVE-2013-7459

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

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

Timeline

Published: Feb 15, 2017
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2013

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