Ubuntu 10.04 LTS / 12.04 LTS / 12.10 / 13.04 : pyopenssl vulnerability (USN-1965-1)

Ubuntu Security Notice (C) 2013 Canonical, Inc. / NASL script (C) 2013 Tenable Network Security, Inc.


Synopsis :

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

Description :

It was discovered that pyOpenSSL did not properly handle certificates
with NULL characters in the Subject Alternative Name field. An
attacker could exploit this to perform a man in the middle attack to
view sensitive information or alter encrypted communications.

Solution :

Update the affected python-openssl and / or python3-openssl packages.

Risk factor :

Medium / CVSS Base Score : 4.3
(CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N)
CVSS Temporal Score : 3.7
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 70087 ()

Bugtraq ID: 62258

CVE ID: CVE-2013-4314