Vulnerability CVE-2013-7459
Published: 2017-02-15

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.

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Fedoraproject -> Fedora 
Dlitz -> Pycrypto 

 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/package-announce@lists.fedoraproject.org/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3B/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RJ37R2YLX56YZABFNAOWV4VTHTGYREAE/
https://pony7.fr/ctf:public:32c3:cryptmsg
https://security.gentoo.org/glsa/201702-14
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