Util-Linux Login Pam Privilege Elevation Vulnerability

BID:3415

Info

Util-Linux Login Pam Privilege Elevation Vulnerability

Bugtraq ID: 3415
Class: Environment Error
CVE:
Remote: No
Local: Yes
Published: Oct 09 2001 12:00AM
Updated: Oct 09 2001 12:00AM
Credit: This vulnerability was announced by Devrim SERAL <[email protected]> via Bugtraq on October 9, 2001.
Vulnerable: Redhat util-linux-2.10s-12.i386.rpm
+ Redhat Linux 7.1
Andries Brouwer util-linux 2.11 l
Andries Brouwer util-linux 2.11 k
+ Redhat Linux 7.1
+ Redhat Linux 7.0
+ Redhat Linux 6.2
 Andries Brouwer util-linux 2.11 i
Andries Brouwer util-linux 2.11 h
+ Mandriva Linux Mandrake 8.1
+ Mandriva Linux Mandrake 8.0 ppc
 Andries Brouwer util-linux 2.11 f
- Redhat Linux 7.1
- Trustix Secure Linux 1.5
Andries Brouwer util-linux 2.10 s
+ Mandriva Linux Mandrake 8.0
- Redhat Linux 7.2 i386
 - Redhat Linux 7.1 ia64
 - Redhat Linux 7.1 i386
 - Redhat Linux 7.1 alpha
Not Vulnerable:

Discussion

Util-Linux Login Pam Privilege Elevation Vulnerability

util-linux is a freely available, open source software package that provides some implementations of standard UNIX utilities, such as login.

A problem in the package has been discovered that could allow a local user to gain elevated privileges. When the number of users that access the system using a program that relies on the login program are regulated via pam_limits, it could result in unpredictable behavior. Users logging in may gain the rights of console or pts/0.

Exploit / POC

Util-Linux Login Pam Privilege Elevation Vulnerability

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

Solution / Fix

Util-Linux Login Pam Privilege Elevation Vulnerability

Solution:
Vendor fixes available:


Redhat util-linux-2.10s-12.i386.rpm

Andries Brouwer util-linux 2.10 s

Andries Brouwer util-linux 2.11 f

Andries Brouwer util-linux 2.11 h

References

Util-Linux Login Pam Privilege Elevation Vulnerability

References:

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