GLSA-200903-38 : Squid: Multiple Denial of Service vulnerabilities

medium Nessus Plugin ID 36013

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-200903-38 (Squid: Multiple Denial of Service vulnerabilities)

The arrayShrink function in lib/Array.c can cause an array to shrink to 0 entries, which triggers an assert error. NOTE: this issue is due to an incorrect fix for CVE-2007-6239 (CVE-2008-1612).
An invalid version number in a HTTP request may trigger an assertion in HttpMsg.c and HttpStatusLine.c (CVE-2009-0478).
Impact :

The issues allows for Denial of Service attacks against the service via an HTTP request with an invalid version number and other specially crafted requests.
Workaround :

There is no known workaround at this time.

Solution

All Squid users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-proxy/squid-2.7.6'

See Also

https://security.gentoo.org/glsa/200801-05

https://security.gentoo.org/glsa/200903-38

Plugin Details

Severity: Medium

ID: 36013

File Name: gentoo_GLSA-200903-38.nasl

Version: 1.18

Type: local

Published: 3/25/2009

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:squid, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/24/2009

Reference Information

CVE: CVE-2007-6239, CVE-2008-1612, CVE-2009-0478

BID: 28693, 33604

CWE: 20

GLSA: 200903-38