Vulnerability Monitor

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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.

Published

2017-02-15T15:59:00.153

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	dlitz	pycrypto	≤ 2.6.1	Yes
Operating System	fedoraproject	fedora	24	Yes
Operating System	fedoraproject	fedora	25	Yes

References

http://www.openwall.com/lists/oss-security/2016/12/27/8 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/95122 Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1409754 Issue Tracking, Third Party Advisory, VDB Entry ([email protected])
https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4 Patch ([email protected])
https://github.com/dlitz/pycrypto/issues/176 Patch, Vendor Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3B/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJ37R2YLX56YZABFNAOWV4VTHTGYREAE/ ([email protected])
https://pony7.fr/ctf:public:32c3:cryptmsg Exploit, Technical Description, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201702-14 ([email protected])
http://www.openwall.com/lists/oss-security/2016/12/27/8 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/95122 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1409754 Issue Tracking, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/dlitz/pycrypto/issues/176 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3B/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJ37R2YLX56YZABFNAOWV4VTHTGYREAE/ (af854a3a-2127-422b-91ae-364da2661108)
https://pony7.fr/ctf:public:32c3:cryptmsg Exploit, Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201702-14 (af854a3a-2127-422b-91ae-364da2661108)