Pam_SMB Remote Buffer Overflow Vulnerability

BID:8491

Info

Pam_SMB Remote Buffer Overflow Vulnerability

Bugtraq ID: 8491
Class: Boundary Condition Error
CVE: CVE-2003-0686
Remote: Yes
Local: No
Published: Aug 26 2003 12:00AM
Updated: Mar 19 2015 08:13AM
Credit: Discovery of this vulnerability has been credited to Craig Miskell.
Vulnerable: Sun Linux 5.0.7
SGI ProPack 2.3
SGI ProPack 2.2.1
RedHat pam_smb-1.1.6-7.i386.rpm
+ RedHat Linux 9.0 i386
 RedHat pam_smb-1.1.6-5.i386.rpm
+ RedHat Linux 8.0 i386
 RedHat pam_smb-1.1.6-2.ia64.rpm
+ RedHat Linux 7.2 ia64
 RedHat pam_smb-1.1.6-2.i386.rpm
+ RedHat Linux 7.2 i386
 pam_smb pam_smb 2.0 -rc4
pam_smb pam_smb 1.1.6
+ Debian Linux 3.0 sparc
 + Debian Linux 3.0 s/390
 + Debian Linux 3.0 ppc
 + Debian Linux 3.0 mipsel
 + Debian Linux 3.0 mips
 + Debian Linux 3.0 m68k
 + Debian Linux 3.0 ia-64
 + Debian Linux 3.0 ia-32
 + Debian Linux 3.0 hppa
 + Debian Linux 3.0 arm
 + Debian Linux 3.0 alpha
 + Debian Linux 3.0
+ Red Hat Enterprise Linux AS 2.1 IA64
 + Red Hat Enterprise Linux AS 2.1
 + RedHat Enterprise Linux ES 2.1
 + RedHat Enterprise Linux WS 2.1 IA64
 + RedHat Enterprise Linux WS 2.1
 pam_smb pam_smb 1.1.5
pam_smb pam_smb 1.1.4
pam_smb pam_smb 1.1.3
pam_smb pam_smb 1.1.2
pam_smb pam_smb 1.1.1
pam_smb pam_smb 1.1
Not Vulnerable: pam_smb pam_smb 2.0 -rc5
pam_smb pam_smb 1.1.7

Discussion

Pam_SMB Remote Buffer Overflow Vulnerability

pam_smb has been reported prone to a buffer overflow vulnerability. It has been reported that systems using pam_smb to authenticate to a remotely accessible service may be vulnerable to a condition that could allow a remote attacker to supply and execute arbitrary code in the context of the vulnerable module.

Exploit / POC

Pam_SMB Remote Buffer Overflow Vulnerability

An exploit has been made developed by Vertex.

Solution / Fix

Pam_SMB Remote Buffer Overflow Vulnerability

Solution:
Sun have released fixes to address this vulnerability in Sun Linux 5.0.7. Users who are affected by this issue are advised to apply relevant fixes as soon as possible. Please see Sun reference (Sun Linux Support - Sun Linux Patches (Sun)) for further details regarding obtaining and applying appropriate fixes.

Red Hat has released a security advisory (RHSA-2003-262) to address this issue for enterprise customers. Further information regarding obtaining and applying fixes can be found in the referenced advisory.

Red Hat has released a security advisory (RHSA-2003:261-01) to address this issue. Customers who are affected by this issue are advised to apply the relevant fixes as soon as possible. Fixes are linked below. Further information regarding applying fixes can be found in the referenced advisory.

Debian has released an advisory (DSA 374-1) that addresses this issue. Please see the attached advisory for details on obtaining and applying fixes.

Turbolinux has released an advisory (TLSA-2003-50) that addresses this issue. Please see the attached advisory for details on obtaining and applying fixes.

Gentoo Linux has released a security advisory (200309-01) to address this issue. Users who are affected by this issue are advised to do the following:

emerge sync
emerge pam_smb
emerge clean

SuSE has released an advisory (SuSE-SA:2003:036) that addresses this issue. Please see the attached advisory for details on obtaining and applying fixes.

Conectiva has released an advisory (CLSA-2003:733) that addresses this issue. Please see references for details on obtaining and applying fixes.

Conectiva has released an advisory (CLSA-2003:734) containing updated packages that addresses this issue. Please see references for details on obtaining and applying fixes.

SGI has released an advisory (20031002-01-U) pertaining to their ProPack Linux distribution. The advisory has been released in response to a number of RHSA advisories, and includes a patch (Patch 10027) containing updated RPM packages relating to 22 different BIDS.

Patch 10027 can be obtained via the following link:
http://support.sgi.com/

For information regarding how to obtain individual RPM packages included in Patch 10027, please see the attached advisory.

pam_smb have released a stable upgrade to address this issue:


RedHat pam_smb-1.1.6-2.ia64.rpm

RedHat pam_smb-1.1.6-5.i386.rpm

RedHat pam_smb-1.1.6-7.i386.rpm

RedHat pam_smb-1.1.6-2.i386.rpm

pam_smb pam_smb 1.1

pam_smb pam_smb 1.1.1

pam_smb pam_smb 1.1.2

pam_smb pam_smb 1.1.3

pam_smb pam_smb 1.1.4

pam_smb pam_smb 1.1.5

pam_smb pam_smb 1.1.6

Sun Linux 5.0.7

References

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