pam_smb module contains remote buffer overflow

Overview

The pam_smb module contains a remotely exploitable buffer overflow vulnerability. This module is used to authenticate users using an external Server Message Block (SMB) server. A remote attacker may be able to exploit this vulnerability to run arbitrary commands on the system.

Description

The pam_smb module versions 1.1.6 and prior contain a remotely exploitable buffer overflow vulnerability in the processing of the password buffer. This module is used when a system is configured to authenticate users using an external Server Message Block (SMB) server.

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Impact

An unauthenticated remote attacker may be able to exploit this vulnerability to run arbitrary commands on the system.

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Solution

This problem is reportedly resolved in version 1.1.7 of the pam_smb module. Upgrade, or apply the patches provided by your vendor.

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Vendor Information

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Debian __ Affected

Updated: August 29, 2003

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see <http://www.debian.org/security/2003/dsa-374&gt;.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23680260 Feedback>).

Red Hat Inc. __ Affected

Updated: August 29, 2003

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see <https://rhn.redhat.com/errata/RHSA-2003-261.html&gt;.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23680260 Feedback>).

Samba Team __ Affected

Updated: August 29, 2003

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see <http://us1.samba.org/samba/ftp/pam_smb/&gt;.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23680260 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.secunia.com/advisories/9611/&gt;
• <http://us1.samba.org/samba/ftp/pam_smb/&gt;
• <https://rhn.redhat.com/errata/RHSA-2003-261.html&gt;

Acknowledgements

The Red Hat Security Team has recognized Dave Airlie of the Samba team for reporting this vulnerability.

This document was written by Jason A Rafail.

Other Information

CVE IDs:	CVE-2003-0686
Severity Metric:	8.44 Date Public: