Squid PUT/POST denial of service

squid-put-post-dos (19919)

Medium Risk

Description:

Squid Web Proxy Cache is vulnerable to a denial of service attack, caused by a failed PUT/POST request. A remote attacker could exploit this vulnerability by sending a specially-crafted PUT/POST request to cause a segmentation fault or cause the program to enter into an inconsistent state.

Consequences:

Denial of Service

Remedy:

Apply the squid-2.5.STABLE7-post patch, available from the Squid Web Proxy Cache Web site. See References.

For Conectiva Linux:
Upgrade to the latest squid package, as listed below. Refer to Conectiva Linux Announcement CLSA-2005:931 for information. See References.

Conectiva Linux 9.0: 2.5.5-76327U90_10cl or later
Conectiva Linux 10.0: 2.5.5-63116U10_8cl or later

For Turbolinux:
Upgrade to the latest squid package, as listed below. Refer to Turbolinux Security Advisory TLSA-2005-53 for more information. See References.

Turbolinux Appliance Server 1.0 Hosting Edition: squid-2.5.STABLE6-21 or later
Turbolinux 10 Server: squid-2.5.STABLE6-21 or later
Turbolinux 8 Server: squid-2.5.STABLE6-21 or later
Turbolinux 8 Workstation: squid-2.5.STABLE6-21 or later
Turbolinux 7 Server: squid-2.5.STABLE6-21 or later
Turbolinux 7 Workstation: squid-2.5.STABLE6-21 or later

For Debian GNU/Linux 3.1 (sarge):
Upgrade to the latest version of mozilla-firefox (1.0.4-2sarge1 or later), as listed in DSA-775-1. See References.

For Red Hat Linux:
Refer to RHSA-2005:415-16 or RHSA-2005:489-05 for patch, upgrade, or suggested workaround information. See References.

For Ubuntu Linux:
Refer to USN-111-1 for patch, upgrade or suggested workaround information. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

• Conectiva Linus Security Announcement CLSA-2005:931: squid.
• Squid Web Proxy Cache Web site: Squid-2.5 Patches. (Refer to Segmentation fault on failed PUT/POST request)
• BID-13166: Squid Proxy Aborted Connection Remote Denial Of Service Vulnerability
• CVE-2005-0718: Squid 2.5.STABLE7 and earlier allows remote attackers to cause a denial of service (segmentation fault) by aborting the connection during a (1) PUT or (2) POST request, which causes Squid to access previously freed memory.
• MDKSA-2005:078: Updated squid packages fix vulnerability
• RHSA-2005-415: squid security update
• RHSA-2005-489: squid security update
• SA12508: Squid "clientAbortBody()" and PUT/POST Denial of Service Vulnerabilities
• SUSE-SR:2005:012: SUSE Security Summary Report

Platforms Affected:

• Canonical Ubuntu 4.10
• Conectiva Linux 10
• Conectiva Linux 9.0
• Debian Debian Linux 3.1
• MandrakeSoft Mandrake Linux 10.0
• MandrakeSoft Mandrake Linux 10.0 AMD64
• MandrakeSoft Mandrake Linux 10.1
• MandrakeSoft Mandrake Linux 10.1 X86_64
• MandrakeSoft Mandrake Linux LE2005
• MandrakeSoft Mandrake Linux LE2005 X86_64
• MandrakeSoft Mandrake Linux Corporate Server 2.1 X86_64
• MandrakeSoft Mandrake Linux Corporate Server 2.1
• MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
• MandrakeSoft Mandrake Linux Corporate Server 3.0
• RedHat Enterprise Linux 2.1 AS
• RedHat Enterprise Linux 2.1 ES
• RedHat Enterprise Linux 3 Desktop
• RedHat Enterprise Linux 3 WS
• RedHat Enterprise Linux 3 ES
• RedHat Enterprise Linux 3 AS
• RedHat Enterprise Linux 4 Desktop
• RedHat Enterprise Linux 4 WS
• RedHat Enterprise Linux 4 ES
• RedHat Enterprise Linux 4 AS
• RedHat Linux Advanced Workstation 2.1 Itanium
• Squid-Cache Squid 2.0.PATCH1
• Squid-Cache Squid 2.0.PATCH2
• Squid-Cache Squid 2.0.PRE1
• Squid-Cache Squid 2.0.RELEASE
• Squid-Cache Squid 2.1.PATCH1
• Squid-Cache Squid 2.1.PATCH2
• Squid-Cache Squid 2.1.PRE1
• Squid-Cache Squid 2.1.PRE3
• Squid-Cache Squid 2.1.PRE4
• Squid-Cache Squid 2.1.RELEASE
• Squid-Cache Squid 2.2.DEVEL3
• Squid-Cache Squid 2.2.DEVEL4
• Squid-Cache Squid 2.2.PRE1
• Squid-Cache Squid 2.2.PRE2
• Squid-Cache Squid 2.2.STABLE1
• Squid-Cache Squid 2.2.STABLE2
• Squid-Cache Squid 2.2.STABLE3
• Squid-Cache Squid 2.2.STABLE4
• Squid-Cache Squid 2.2.STABLE5
• Squid-Cache Squid 2.3 STABLE5
• Squid-Cache Squid 2.3. STABLE4
• Squid-Cache Squid 2.3. STABLE3
• Squid-Cache Squid 2.3. STABLE2
• Squid-Cache Squid 2.3.DEVEL2
• Squid-Cache Squid 2.3.DEVEL3
• Squid-Cache Squid 2.3.STABLE1
• Squid-Cache Squid 2.4
• Squid-Cache Squid 2.4.STABLE1
• Squid-Cache Squid 2.4.STABLE2
• Squid-Cache Squid 2.4.STABLE3
• Squid-Cache Squid 2.4.STABLE4
• Squid-Cache Squid 2.4.STABLE6
• Squid-Cache Squid 2.4.STABLE7
• Squid-Cache Squid 2.5 STABLE6
• Squid-Cache Squid 2.5.6
• Squid-Cache Squid 2.5.STABLE1
• Squid-Cache Squid 2.5.STABLE2
• Squid-Cache Squid 2.5.STABLE3
• Squid-Cache Squid 2.5.STABLE4
• Squid-Cache Squid 2.5.STABLE5
• Squid-Cache Squid 2.5.STABLE7
• Squid-Cache Squid 2.5.STABLE9
• Turbolinux Turbolinux 10 Server
• Turbolinux Turbolinux 7 Server
• Turbolinux Turbolinux 7 Workstation
• Turbolinux Turbolinux 8 Server
• Turbolinux Turbolinux 8 Workstation
• Turbolinux Turbolinux Appliance Server 1.0 Hosting Ed
• Turbolinux Turbolinux Appliance Server 1.0 Workgroup Ed

Reported:

Feb 04, 2005

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

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