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FreeBSD : lbreakout2 vulnerability in environment variable handling (ad4f6ca4-6720-11d8-9fb5-000a95bc6fae)

medium Nessus Plugin ID 37516

Synopsis

The remote FreeBSD host is missing a security-related update.

Description

Ulf Harnhammar discovered an exploitable vulnerability in lbreakout2's environmental variable handling. In several instances, the contents of the HOME environmental variable are copied to a stack or global buffer without range checking. A local attacker may use this vulnerability to acquire group-ID `games' privileges.

An exploit for this vulnerability has been published by ``Li0n7 voila fr''.

Solution

Update the affected package.

See Also

https://www.securityfocus.com/archive/1/354760

http://www.nessus.org/u?15cc70bc

Plugin Details

Severity: Medium

ID: 37516

File Name: freebsd_pkg_ad4f6ca4672011d89fb5000a95bc6fae.nasl

Version: 1.14

Type: local

Published: 4/23/2009

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.6

CVSS v2

Risk Factor: Medium

Base Score: 4.6

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:lbreakout2, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 2/25/2004

Vulnerability Publication Date: 2/21/2004

Reference Information

CVE: CVE-2004-0158

DSA: 445