GLSA-201006-21 : UnrealIRCd: Multiple vulnerabilities

high Nessus Plugin ID 47016

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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-201006-21 (UnrealIRCd: Multiple vulnerabilities)

Multiple vulnerabilities have been reported in UnrealIRCd:
The vendor reported a buffer overflow in the user authorization code (CVE-2009-4893).
The vendor reported that the distributed source code of UnrealIRCd was compromised and altered to include a system() call that could be called with arbitrary user input (CVE-2010-2075).
Impact :

A remote attacker could exploit these vulnerabilities to cause the execution of arbitrary commands with the privileges of the user running UnrealIRCd, or a Denial of Service condition. NOTE: By default UnrealIRCd on Gentoo is run with the privileges of the 'unrealircd' user.
Workaround :

There is no known workaround at this time.

Solution

All UnrealIRCd users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-irc/unrealircd-3.2.8.1-r1'

Plugin Details

Severity: High

ID: 47016

File Name: gentoo_GLSA-201006-21.nasl

Version: 1.18

Type: local

Family: Gentoo Local Security Checks

Published: 6/15/2010

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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

Vulnerability Information

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/14/2010

Exploitable With

CANVAS (White_Phosphorus)

Core Impact

Metasploit (UnrealIRCD 3.2.8.1 Backdoor Command Execution)

Reference Information

CVE: CVE-2009-4893, CVE-2010-2075

BID: 40820

GLSA: 201006-21

Detections

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