Vulnerability Note VU#801526

util-linux login program discloses sensitive information

Overview

util-linux login program uses a pointer that was previously freed and reallocated which could allow an attacker to gain access to sensitive information.

I. Description

util-linux is shipped with Red Hat and numerous other Linux distributions. It contains a collection of utility programs, such as fstab, mkfs, chfn, and login. There is a vulnerability in the way the login program uses a pointer that was previously freed and reallocated resulting in an information leak. This could be used by an attacker to gain access to sensitive information.

II. Impact

An attacker may be able to gain access to sensitive information.

III. Solution

Apply Patch

Apply a patch from your vendor.

Systems Affected

Vendor	Status	Date Notified	Date Updated
Red Hat Inc.	Vulnerable	23-Mar-2004

References

http://rhn.redhat.com/errata/RHSA-2004-056.html
http://www.secunia.com/advisories/10773/
http://freshmeat.net/projects/util-linux/

Credit

Red Hat credits Matthew Lee for reporting this vulnerability.

This document was written by Damon Morda.

Other Information

Date Public:	2004-02-03
Date First Published:	2004-03-23
Date Last Updated:	2004-03-23
CERT Advisory:
CVE-ID(s):	CAN-2004-0080
NVD-ID(s):	CAN-2004-0080
US-CERT Technical Alerts:
Metric:	1.40
Document Revision:	4

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