Squid Proxy TRACE Request Remote Denial of Service Vulnerability

BID:23085

Info

Squid Proxy TRACE Request Remote Denial of Service Vulnerability

Bugtraq ID: 23085
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2007-1560
Remote: Yes
Local: No
Published: Mar 21 2007 12:00AM
Updated: Apr 18 2007 08:11PM
Credit: This issue was reported by the vendor.
Vulnerable: Ubuntu Ubuntu Linux 6.10 sparc
Ubuntu Ubuntu Linux 6.10 powerpc
Ubuntu Ubuntu Linux 6.10 i386
Ubuntu Ubuntu Linux 6.10 amd64
Turbolinux Turbolinux Server 10.0
Turbolinux Turbolinux Server 10.0.0 x64
Turbolinux Appliance Server Workgroup Edition 1.0
Turbolinux Appliance Server Hosting Edition 1.0
Turbolinux Appliance Server 1.0 Workgroup Edition
Turbolinux Appliance Server 1.0 Hosting Edition
Turbolinux Appliance Server 2.0
TransSoft Broker FTP Server 8.0
Squid Web Proxy Cache 2.6
S.u.S.E. openSUSE 10.2
Redhat Enterprise Linux Desktop Workstation 5 client
Redhat Enterprise Linux 5 Server
Mandriva Linux Mandrake 2006.0 x86_64
Mandriva Linux Mandrake 2006.0
Mandriva Linux Mandrake 2007.0 x86_64
Mandriva Linux Mandrake 2007.0
MandrakeSoft Multi Network Firewall 2.0
MandrakeSoft Corporate Server 4.0 x86_64
MandrakeSoft Corporate Server 3.0 x86_64
MandrakeSoft Corporate Server 3.0
MandrakeSoft Corporate Server 4.0
Gentoo Linux
Not Vulnerable: Squid Web Proxy Cache 2.6.STABLE12

Discussion

Squid Proxy TRACE Request Remote Denial of Service Vulnerability

Squid is prone to a remote denial-of-service vulnerability because the proxy server fails to handle certain TRACE requests.

Successfully exploiting this issue allows remote attackers to crash the affected application, denying futher service to legitimate users.

This issue affects version 2.6.

Exploit / POC

Squid Proxy TRACE Request Remote Denial of Service Vulnerability

An attacker may exploit this issue by using readily available networking tools.

Solution / Fix

Squid Proxy TRACE Request Remote Denial of Service Vulnerability

Solution:
The vendor has released Squid version 2.6.STABLE12 and a patch to address this issue. Please see the references for more information.


Turbolinux Turbolinux Server 10.0.0 x64

Turbolinux Appliance Server 2.0

Squid Web Proxy Cache 2.6

Turbolinux Appliance Server 1.0 Hosting Edition

Turbolinux Appliance Server 1.0 Workgroup Edition

Turbolinux Turbolinux Server 10.0

References

Squid Proxy TRACE Request Remote Denial of Service Vulnerability

References:
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