Apache Mod_Auth_Kerb Off-By-One Denial of Service Vulnerability

BID:21214

Info

Apache Mod_Auth_Kerb Off-By-One Denial of Service Vulnerability

Bugtraq ID: 21214
Class: Boundary Condition Error
CVE: CVE-2006-5989
Remote: Yes
Local: No
Published: Nov 21 2006 12:00AM
Updated: Jan 25 2007 10:29PM
Credit: Reported by Josh Bressers.
Vulnerable: Redhat Fedora Core6
Redhat Fedora Core5
Redhat Enterprise Linux WS 4
Redhat Enterprise Linux ES 4
Redhat Enterprise Linux AS 4
Redhat Enterprise Linux Desktop version 4
mod_auth_kerb mod_auth_kerb 5.2
mod_auth_kerb mod_auth_kerb 5.1
mod_auth_kerb mod_auth_kerb 5.0
MandrakeSoft Corporate Server 4.0 x86_64
MandrakeSoft Corporate Server 4.0
Gentoo Linux
Debian Linux 3.1 sparc
Debian Linux 3.1 s/390
Debian Linux 3.1 ppc
Debian Linux 3.1 mipsel
Debian Linux 3.1 mips
Debian Linux 3.1 m68k
Debian Linux 3.1 ia-64
Debian Linux 3.1 ia-32
Debian Linux 3.1 hppa
Debian Linux 3.1 arm
Debian Linux 3.1 amd64
Debian Linux 3.1 alpha
Debian Linux 3.1
Avaya Messaging Storage Server MM3.0
Not Vulnerable:

Discussion

Apache Mod_Auth_Kerb Off-By-One Denial of Service Vulnerability

Apache mod_auth_kerb is prone to an off-by-one buffer-overflow condition.

The vulnerability allows for potential memory corruption.

An attacker may exploit this issue to trigger a denial-of-service condition. Arbitrary code execution may be possible, but this has not been confirmed.

Exploit / POC

Apache Mod_Auth_Kerb Off-By-One Denial of Service Vulnerability

Currently we are not aware of any exploits for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: mailto:[email protected].

Solution / Fix

Apache Mod_Auth_Kerb Off-By-One Denial of Service Vulnerability

Solution:
Please see the references for more information.


Debian Linux 3.1 ppc

Debian Linux 3.1 ia-64

Debian Linux 3.1 arm

Debian Linux 3.1 mips

Debian Linux 3.1 ia-32

Debian Linux 3.1 m68k

Debian Linux 3.1 mipsel

Debian Linux 3.1 s/390

Debian Linux 3.1 amd64

Debian Linux 3.1 hppa

Debian Linux 3.1 sparc

References

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