CVE-2013-7459

critical

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.

References

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/[email protected]/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3B/

https://lists.fedoraproject.org/archives/list/[email protected]/message/RJ37R2YLX56YZABFNAOWV4VTHTGYREAE/

https://pony7.fr/ctf:public:32c3:cryptmsg

https://security.gentoo.org/glsa/201702-14

Details

Source: MITRE

Published: 2017-02-15

Updated: 2017-07-01

Type: CWE-119

Risk Information

CVSS v2

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

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

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL