FrSIRT - Samba "winbind nss info" Group ID Local Privilege Escalation Vulnerability / Exploit (Security Advisories)

French Security Incident Response Team

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Samba "winbind nss info" Group ID Local Privilege Escalation Vulnerability

Title : Samba "winbind nss info" Group ID Local Privilege Escalation Vulnerability
Advisory ID : FrSIRT/ADV-2007-3120
CVE ID : CVE-2007-4138
Rated as : Moderate Risk

Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2007-09-12

Advisory Details

Description

Affected Products

Solution

References

Technical Description

A vulnerability has been identified in Samba, which could be exploited by malicious users to bypass security restrictions and obtain elevated privileges [...]

Solution

Apply patch :
http://www.samba.org/samba/ftp/patches/security/samba-3.0.25-CVE-2007-4138.patch

Or upgrade to Samba version 3.0.26 :
http://www.samba.org/samba/ftp/stable/samba-3.0.26.tar.gz

Credits

Vulnerability reported by Rick King.

ChangeLog

2007-09-12 : Initial release

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