GLSA-200903-02 : ZNC: Privilege escalation

medium Nessus Plugin ID 35792

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-200903-02 (ZNC: Privilege escalation)

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.

Solution

All ZNC users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-irc/znc-0.066'

See Also

https://security.gentoo.org/glsa/200903-02

Plugin Details

Severity: Medium

ID: 35792

File Name: gentoo_GLSA-200903-02.nasl

Version: 1.14

Type: local

Published: 3/8/2009

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.8

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:znc, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 3/6/2009

Reference Information

CVE: CVE-2009-0759

CWE: 94

GLSA: 200903-02