Squid Proxy Malformed NTLM Type 3 Message Remote Denial of Service Vulnerability

BID:12220

Info

Squid Proxy Malformed NTLM Type 3 Message Remote Denial of Service Vulnerability

Bugtraq ID: 12220
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2005-0097
Remote: Yes
Local: No
Published: Jan 11 2005 12:00AM
Updated: Dec 20 2006 09:18PM
Credit: This issue was reported by the vendor.
Vulnerable: Ubuntu Ubuntu Linux 4.1 ppc
Ubuntu Ubuntu Linux 4.1 ia64
Ubuntu Ubuntu Linux 4.1 ia32
Trustix Secure Linux 2.2
Trustix Secure Linux 2.1
Trustix Secure Linux 1.5
Trustix Secure Enterprise Linux 2.0
SuSE Linux 8.1
SuSE Linux 8.0 i386
SuSE Linux 8.0
Squid Web Proxy Cache 2.5 .STABLE7
+ Gentoo Linux
+ Redhat Fedora Core3
 + Redhat Fedora Core2
 Squid Web Proxy Cache 2.5 .STABLE6
+ Mandriva Linux Mandrake 10.1 x86_64
 + S.u.S.E. Linux Personal 9.2 x86_64
 + S.u.S.E. Linux Personal 9.2
+ Turbolinux Appliance Server 1.0 Workgroup Edition
 + Turbolinux Appliance Server 1.0 Hosting Edition
 + Turbolinux Appliance Server Hosting Edition 1.0
+ Turbolinux Appliance Server Workgroup Edition 1.0
+ Turbolinux Turbolinux Server 10.0
+ Turbolinux Turbolinux Server 8.0
+ Turbolinux Turbolinux Server 7.0
+ Turbolinux Turbolinux Workstation 8.0
+ Turbolinux Turbolinux Workstation 7.0
Squid Web Proxy Cache 2.5 .STABLE5
+ S.u.S.E. Linux Personal 9.1 x86_64
 + S.u.S.E. Linux Personal 9.1
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
+ Ubuntu Ubuntu Linux 4.1 ppc
 + Ubuntu Ubuntu Linux 4.1 ia64
 + Ubuntu Ubuntu Linux 4.1 ia32
 Squid Web Proxy Cache 2.5 .STABLE4
+ MandrakeSoft Corporate Server 3.0
+ Mandriva Linux Mandrake 10.0 AMD64
 + Mandriva Linux Mandrake 10.0
+ OpenPKG OpenPKG 2.0
+ OpenPKG OpenPKG Current
 Squid Web Proxy Cache 2.5 .STABLE3
+ Mandriva Linux Mandrake 9.2 amd64
 + Mandriva Linux Mandrake 9.2
+ OpenPKG OpenPKG 1.3
+ Redhat Desktop 3.0
+ Redhat Enterprise Linux AS 3
 + Redhat Enterprise Linux ES 3
 + Redhat Enterprise Linux WS 3
 + Redhat Fedora Core1
 + S.u.S.E. Linux Personal 9.0 x86_64
 + S.u.S.E. Linux Personal 9.0
Squid Web Proxy Cache 2.5 .STABLE1
+ Mandriva Linux Mandrake 9.1 ppc
 + Mandriva Linux Mandrake 9.1
+ S.u.S.E. Linux Personal 8.2
SGI ProPack 3.0
S.u.S.E. Linux Personal 9.2
S.u.S.E. Linux Personal 9.1
S.u.S.E. Linux Personal 9.0 x86_64
S.u.S.E. Linux Personal 9.0
S.u.S.E. Linux Personal 8.2
Redhat Linux 9.0 i386
Redhat Linux 7.3 i386
Redhat Fedora Core2
Redhat Fedora Core1
Astaro Security Linux 4.0 17
Astaro Security Linux 4.0 16
Astaro Security Linux 4.0 08
Astaro Security Linux 3.217
Astaro Security Linux 3.2 16
Astaro Security Linux 3.2 15
Astaro Security Linux 3.2 12
Astaro Security Linux 3.2 11
Astaro Security Linux 3.2 10
Astaro Security Linux 3.2 00
Astaro Security Linux 2.0 30
Astaro Security Linux 2.0 27
Astaro Security Linux 2.0 26
Astaro Security Linux 2.0 25
Astaro Security Linux 2.0 24
Astaro Security Linux 2.0 23
Astaro Security Linux 2.0 16
Not Vulnerable:

Discussion

Squid Proxy Malformed NTLM Type 3 Message Remote Denial of Service Vulnerability

Squid is reported to be susceptible to a denial-of-service vulnerability in its NTLM authentication module. This vulnerability presents itself when an attacker sends a malformed NTLM Type 3 message to Squid.

Failure of NTLM authentication would result in the Squid application denying access to legitimate users of the proxy.

This vulnerability affects Squid 2.5.

Exploit / POC

Squid Proxy Malformed NTLM Type 3 Message Remote Denial of Service Vulnerability

An exploit is not required.

Solution / Fix

Squid Proxy Malformed NTLM Type 3 Message Remote Denial of Service Vulnerability

Solution:
Please see the referenced vendor advisories for more information and fixes.


Squid Web Proxy Cache 2.5 .STABLE7

Squid Web Proxy Cache 2.5 .STABLE6

Squid Web Proxy Cache 2.5 .STABLE1

Squid Web Proxy Cache 2.5 .STABLE3

Squid Web Proxy Cache 2.5 .STABLE5

SGI ProPack 3.0

References

Squid Proxy Malformed NTLM Type 3 Message Remote Denial of Service Vulnerability

References:
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