GLSA-201402-08 : stunnel: Arbitrary code execution

This script is Copyright (C) 2014 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-201402-08
(stunnel: Arbitrary code execution)

A buffer overflow vulnerability has been discovered in stunnel. Please
review the CVE identifier referenced below for details.

Impact :

A remote attacker could entice a user to connect to a malicious proxy
server, resulting in the execution of arbitrary code within the
configured chroot directory, with the privileges of the user running
stunnel. Please review the references below for details.

Workaround :

There is no known workaround at this time.

See also :

https://www.stunnel.org/CVE-2013-1762.html
http://www.gentoo.org/security/en/glsa/glsa-201402-08.xml

Solution :

All stunnel users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-misc/stunnel-4.56-r1'

Risk factor :

Medium / CVSS Base Score : 6.6
(CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:C)
CVSS Temporal Score : 5.7
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Gentoo Local Security Checks

Nessus Plugin ID: 72385 ()

Bugtraq ID: 57755
57778
58277
60268

CVE ID: CVE-2013-1762