[ GLSA 200903-02 ] ZNC: Privilege escalation

[GLSA]

Gentoo Linux Security Advisory

Title: ZNC: Privilege escalation (GLSA 200903-02)
Severity: high
Exploitable: remote
Date: March 06, 2009
Bug(s): #260148
ID: 200903-02

Synopsis

A vulnerability in ZNC allows for privilege escalation.

Background

ZNC is an advanced IRC bouncer.

Affected Packages

Package: net-irc/znc
Vulnerable: < 0.066
Unaffected: >= 0.066
Architectures: All supported architectures


Description

cnu discovered multiple CRLF injection vulnerabilities in ZNC's webadmin module.

Impact

A remote authenticated attacker could modify the znc.conf configuration file and gain privileges via newline characters in e.g. the QuitMessage field, and possibly execute arbitrary code.

Workaround

There is no known workaround at this time.

Resolution

All ZNC users should upgrade to the latest version: