GLSA-200903-11 : PyCrypto: Execution of arbitrary code

This script is Copyright (C) 2009-2015 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-200903-11
(PyCrypto: Execution of arbitrary code)

Mike Wiacek of the Google Security Team reported a buffer overflow in
the ARC2 module when processing a large ARC2 key length.

Impact :

A remote attacker could entice a user or automated system to decrypt an
ARC2 stream in an application using PyCrypto, possibly resulting in the
execution of arbitrary code or a Denial of Service.

Workaround :

There is no known workaround at this time.

See also :

https://security.gentoo.org/glsa/200903-11

Solution :

All PyCrypto users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=dev-python/pycrypto-2.0.1-r8'

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 7.8
(CVSS2#E:POC/RL:OF/RC:C)
Public Exploit Available : true

Family: Gentoo Local Security Checks

Nessus Plugin ID: 35809 (gentoo_GLSA-200903-11.nasl)

Bugtraq ID: 33674

CVE ID: CVE-2009-0544