Debian GNU/Linux Rssh Security Bypass Vulnerability

BID:18999

Info

Debian GNU/Linux Rssh Security Bypass Vulnerability

Bugtraq ID: 18999
Class: Design Error
CVE: CVE-2006-1320
Remote: No
Local: Yes
Published: Jul 17 2006 12:00AM
Updated: Aug 24 2006 08:34PM
Credit: Russ Allbery is credited with the discovery of this issue.
Vulnerable: Debian rssh 2.3.0-1
Not Vulnerable: Debian rssh sid 2.3.0-1.1
Debian rssh sarge 2.2.3-1

Discussion

Debian GNU/Linux Rssh Security Bypass Vulnerability

A programming error in the 'util.c' file of the rssh package in Debian GNU/Linux allows rdist and rsync to bypass security.

This vulnerability may facilitate privilege escalation, because the error allows rssh's check for CVS to always succeed. An attacker could use this vulnerability to their advantage and bypass existing security limitations and access controls.

Exploit / POC

Debian GNU/Linux Rssh Security Bypass Vulnerability

An exploit is not required.

Solution / Fix

Debian GNU/Linux Rssh Security Bypass Vulnerability

Solution:
Debian GNU/Linux has released fixed builds of the rssh package.

Users should use the 'apt-get' utility to ensure that a fixed version of the affected package is installed.

References

Debian GNU/Linux Rssh Security Bypass Vulnerability

References:

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