CVE-2013-7459

high-risk

Published 2017-02-15

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.

Do I need to act?

14.5% chance of exploitation in next 30 days

EPSS score — higher than 85% of all CVEs

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (3)

Fedora

Pycrypto

Fedora

Affected Vendors

Fedoraproject Dlitz

References (18)

Mailing List http://www.openwall.com/lists/oss-security/2016/12/27/8

Third Party Advisory http://www.securityfocus.com/bid/95122

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1409754

Patch https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d...

Patch https://github.com/dlitz/pycrypto/issues/176

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

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

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

Mailing List http://www.openwall.com/lists/oss-security/2016/12/27/8

Third Party Advisory http://www.securityfocus.com/bid/95122

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1409754

Patch https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d...

Patch https://github.com/dlitz/pycrypto/issues/176

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

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

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

/ 100

high-risk

Severity 32/34 · Critical

Exploitability 12/34 · Low

Exposure 9/34 · Low