RHEL 6 : squid (RHSA-2011:1791)

This script is Copyright (C) 2011-2014 Tenable Network Security, Inc.


Synopsis :

The remote Red Hat host is missing one or more security updates.

Description :

An updated squid package that fixes one security issue is now
available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having
moderate security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from
the CVE link in the References section.

Squid is a high-performance proxy caching server for web clients,
supporting FTP, Gopher, and HTTP data objects.

An input validation flaw was found in the way Squid calculated the
total number of resource records in the answer section of multiple
name server responses. An attacker could use this flaw to cause Squid
to crash. (CVE-2011-4096)

Users of squid should upgrade to this updated package, which contains
a backported patch to correct this issue. After installing this
update, the squid service will be restarted automatically.

See also :

https://www.redhat.com/security/data/cve/CVE-2011-4096.html
http://rhn.redhat.com/errata/RHSA-2011-1791.html

Solution :

Update the affected squid and / or squid-debuginfo packages.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 4.3
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Red Hat Local Security Checks

Nessus Plugin ID: 57037 ()

Bugtraq ID: 50449

CVE ID: CVE-2011-4096