Squid Web Proxy Cache arrayShrink() denial of service
| squid-arrayshrink-dos (41586) |  Low Risk |
Description:
Squid Web Proxy Cache is vulnerable to a denial of service, caused by an assert error in the arrayShrink() function. An attacker could exploit this vulnerability using unknown attack vectors to crash the application.
Platforms Affected:
- Canonical, Ubuntu 6.06 LTS
- Canonical, Ubuntu 6.10
- Canonical, Ubuntu 7.04
- Canonical, Ubuntu 7.10
- Debian, Debian Linux 4.0
- Gentoo, Linux
- MandrakeSoft, Mandrake Linux 2007.1 X86_64
- MandrakeSoft, Mandrake Linux 2007.1
- MandrakeSoft, Mandrake Linux 2008.0 X86_64
- MandrakeSoft, Mandrake Linux 2008.0
- MandrakeSoft, Mandrake Linux Corporate Server 3.0
- MandrakeSoft, Mandrake Linux Corporate Server 3.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 4.0
- MandrakeSoft, Mandrake Linux Corporate Server 4.0 X86_64
- MandrakeSoft, Mandrake Multi Network Firewall 2.0
- RedHat, Enterprise Linux 2.1 AS
- RedHat, Enterprise Linux 2.1 ES
- RedHat, Enterprise Linux 3 WS
- RedHat, Enterprise Linux 3 ES
- RedHat, Enterprise Linux 3 AS
- RedHat, Enterprise Linux 3 Desktop
- RedHat, Enterprise Linux 4 Desktop
- RedHat, Enterprise Linux 4 WS
- RedHat, Enterprise Linux 4 ES
- RedHat, Enterprise Linux 4 AS
- RedHat, Enterprise Linux 5 Client Workstation
- RedHat, Enterprise Linux 5
- RedHat, Linux Advanced Workstation 2.1 Itanium
- Squid-Cache, Squid 2.6.STABLE1
- Squid-Cache, Squid 2.6.STABLE10
- Squid-Cache, Squid 2.6.STABLE11
- Squid-Cache, Squid 2.6.STABLE12
- Squid-Cache, Squid 2.6.STABLE13
- Squid-Cache, Squid 2.6.STABLE14
- Squid-Cache, Squid 2.6.STABLE15
- Squid-Cache, Squid 2.6.STABLE16
- Squid-Cache, Squid 2.6.STABLE17
- Squid-Cache, Squid 2.6.STABLE2
- Squid-Cache, Squid 2.6.STABLE3
- Squid-Cache, Squid 2.6.STABLE4
- Squid-Cache, Squid 2.6.STABLE5
- Squid-Cache, Squid 2.6.STABLE6
- Squid-Cache, Squid 2.6.STABLE7
- Squid-Cache, Squid 2.6.STABLE8
- Squid-Cache, Squid 2.6.STABLE9
- Squid-Cache, Squid 3.0.PRE1
- Squid-Cache, Squid 3.0.PRE2
- Squid-Cache, Squid 3.0.PRE3
- Turbolinux, Turbolinux 10 Server
- Turbolinux, Turbolinux 10 Server x64 Ed
- Turbolinux, Turbolinux 11 Server
- Turbolinux, Turbolinux 11 Server x64 Ed
- Turbolinux, Turbolinux Appliance Server 1.0 Hosting Ed
- Turbolinux, Turbolinux Appliance Server 1.0 Workgroup Ed
- Turbolinux, Turbolinux Appliance Server 2.0
Remedy:
Upgrade to the latest version of Squid Web Proxy Cache (2.6.STABLE18 or later), available from the Squid Web site. See References.
Consequences:
Denial of Service
References:
- Openwall Project Web site, CVE id request: squid at http://www.openwall.com/lists/oss-security/2008/04/01/5.
- Squid Web site , squid : Optimising Web Delivery at http://www.squid-cache.org/.
- SQUID-2007:2, Squid Proxy Cache Security Update Advisory at http://www.squid-cache.org/Advisories/SQUID-2007_2.txt.
- squid-announce Mailing List, 2008-03-22 0:05:24, Advisory Squid-2007:2 updated at http://marc.info/?l=squid-announce&m=120614453813157&w=2.
- squid-cache Changelog, SQUID_2_6, 2008/01/09 13:02:07, Sometimes arrayShrink() will be asked to shrink by 0 entries. Handle that. at http://www.squid-cache.org/Versions/v2/2.6/changesets/11882.patch.
- ASA-2008-163: squid security update (RHSA-2008-0214)
- BID-28693: Squid Web Proxy Cache 'arrayShrink()' Remote Denial of Service Vulnerability
- CVE-2008-1612: The arrayShrink function (lib/Array.c) in Squid 2.6.STABLE17 allows attackers to cause a denial of service (process exit) via unknown vectors that 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.
- DSA-1646: squid -- array bounds check
- GLSA-200903-38: Squid: Multiple Denial of Service vulnerabilities
- MDVSA-2008:134: Updated squid packages fix DoS vulnerability
- RHSA-2008-0214: Moderate: squid security update
- SUSE-SR:2008:011: SUSE Security Summary Report
Reported:
Mar 22, 2008
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net