National Cyber-Alert System

Vulnerability Summary for CVE-2007-0248

Overview

The aclMatchExternal function in Squid before 2.6.STABLE7 allows remote attackers to cause a denial of service (crash) by causing an external_acl queue overload, which triggers an infinite loop.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

Vendor Statments (disclaimer)

Official Statement from Red Hat (07/26/2007)

Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch. This issue did not affect the versions of Squid as shipped with Red Hat Enterprise Linux 2.1, 3, or 4.

References to Advisories, Solutions, and Tools

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External Source: SECUNIA

Name: 23767

Type: Advisory; Patch Information

Hyperlink:http://secunia.com/advisories/23767

External Source: CONFIRM

Name: http://www.squid-cache.org/Versions/v2/2.6/squid-2.6.STABLE7-RELEASENOTES.html#s12

Hyperlink:http://www.squid-cache.org/Versions/v2/2.6/squid-2.6.STABLE7-RELEASENOTES.html#s12

External Source: CONFIRM

Name: http://www.squid-cache.org/bugs/show_bug.cgi?id=1848

Hyperlink:http://www.squid-cache.org/bugs/show_bug.cgi?id=1848

External Source: XF

Name: squid-externalacl-dos(31525)

Hyperlink:http://xforce.iss.net/xforce/xfdb/31525

External Source: UBUNTU

Name: USN-414-1

Hyperlink:http://www.ubuntu.com/usn/usn-414-1

External Source: BID

Name: 22203

Hyperlink:http://www.securityfocus.com/bid/22203

External Source: SUSE

Name: SUSE-SA:2007:012

Hyperlink:http://www.novell.com/linux/security/advisories/2007_12_squid.html

External Source: MANDRIVA

Name: MDKSA-2007:026

Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2007:026

External Source: GENTOO

Name: GLSA-200701-22

Hyperlink:http://www.gentoo.org/security/en/glsa/glsa-200701-22.xml

External Source: VUPEN

Name: ADV-2007-0199

Hyperlink:http://www.frsirt.com/english/advisories/2007/0199

External Source: SECUNIA

Name: 23946

Hyperlink:http://secunia.com/advisories/23946

External Source: SECUNIA

Name: 23921

Hyperlink:http://secunia.com/advisories/23921

External Source: SECUNIA

Name: 23889

Hyperlink:http://secunia.com/advisories/23889

External Source: SECUNIA

Name: 23805

Hyperlink:http://secunia.com/advisories/23805

External Source: MANDRIVA

Name: MDKSA-2007:026

Hyperlink:http://frontal2.mandriva.com/security/advisories?name=MDKSA-2007:026