Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWNxMjctdjd4cC1jMzU2

Buffer Overflow in pycrypto

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.

Permalink: https://github.com/advisories/GHSA-cq27-v7xp-c356
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWNxMjctdjd4cC1jMzU2
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 5 years ago
Updated: over 1 year ago

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

Identifiers: GHSA-cq27-v7xp-c356, CVE-2013-7459
References:

• https://nvd.nist.gov/vuln/detail/CVE-2013-7459
• https://github.com/dlitz/pycrypto/issues/176
• https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4
• https://bugzilla.redhat.com/show_bug.cgi?id=1409754
• https://github.com/advisories/GHSA-cq27-v7xp-c356
• 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
• http://www.openwall.com/lists/oss-security/2016/12/27/8
• http://www.securityfocus.com/bid/95122

Repository: https://github.com/dlitz/pycrypto
Blast Radius: 43.9

Affected Packages