SuSEConfig.postfix chroot File Ownership Vulnerability

BID:3637

Info

SuSEConfig.postfix chroot File Ownership Vulnerability

Bugtraq ID: 3637
Class: Configuration Error
CVE:
Remote: No
Local: Yes
Published: Dec 05 2001 12:00AM
Updated: Dec 05 2001 12:00AM
Credit: Discovered by Matthias Andree <[email protected]>.
Vulnerable: S.u.S.E. SuSEConfig.postfix
+ SuSE Linux 7.3
+ SuSE Linux 7.2
+ SuSE Linux 7.1
+ SuSE Linux 7.0
Not Vulnerable:

Exploit / POC

SuSEConfig.postfix chroot File Ownership Vulnerability

No exploit code is required to take advantage of this issue.

Solution / Fix

SuSEConfig.postfix chroot File Ownership Vulnerability

Solution:
As a solution, Matthias Andree <[email protected]> has suggested changing the ownership of appropriate files to the root user, and applying a 755 or 644 permission mask to protect them from the postfix user account.

A modified SuSEConfig.postfix file has been made available by Matthias Andree, at:

http://mandree.home.pages.de/postfix/

References

SuSEConfig.postfix chroot File Ownership Vulnerability

References:

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