National Cyber-Alert System

Vulnerability Summary for CVE-2005-4158

Overview

Sudo before 1.6.8 p12, when the Perl taint flag is off, does not clear the (1) PERLLIB, (2) PERL5LIB, and (3) PERL5OPT environment variables, which allows limited local users to cause a Perl script to include and execute arbitrary library files that have the same name as library files that are included by the script.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

Vendor Statments (disclaimer)

Official Statement from Red Hat (01/24/2008)

We do not consider this to be a security issue. http:bugzilla.redhat.combugzillashow_bug.cgi?id=139478#c1

References to Advisories, Solutions, and Tools

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External Source: XF

Name: sudo-perl-execute-code(23102)

Type: Patch Information

Hyperlink:http://xforce.iss.net/xforce/xfdb/23102

External Source: CONFIRM

Name: http://www.sudo.ws/sudo/alerts/perl_env.html

Type: Advisory; Patch Information

Hyperlink:http://www.sudo.ws/sudo/alerts/perl_env.html

External Source: BID

Name: 15394

Type: Patch Information

Hyperlink:http://www.securityfocus.com/bid/15394

External Source: SECTRACK

Name: 1015192

Type: Patch Information

Hyperlink:http://securitytracker.com/alerts/2005/Nov/1015192.html

External Source: SECUNIA

Name: 17534

Type: Advisory; Patch Information

Hyperlink:http://secunia.com/advisories/17534/

External Source: TRUSTIX

Name: 2006-0002

Hyperlink:http://www.trustix.org/errata/2006/0002/

External Source: SUSE

Name: SUSE-SR:2006:002

Hyperlink:http://www.novell.com/linux/security/advisories/2006_02_sr.html

External Source: MANDRIVA

Name: MDKSA-2006:159

Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2006:159

External Source: MANDRAKE

Name: MDKSA-2005:234

Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2005:234

External Source: VUPEN

Name: ADV-2005-2386

Hyperlink:http://www.frsirt.com/english/advisories/2005/2386

External Source: DEBIAN

Name: DSA-946

Hyperlink:http://www.debian.org/security/2006/dsa-946

External Source: SECUNIA

Name: 21692

Hyperlink:http://secunia.com/advisories/21692

External Source: SECUNIA

Name: 18558

Hyperlink:http://secunia.com/advisories/18558

External Source: SECUNIA

Name: 18549

Hyperlink:http://secunia.com/advisories/18549

External Source: SECUNIA

Name: 18463

Hyperlink:http://secunia.com/advisories/18463

External Source: SECUNIA

Name: 18308

Hyperlink:http://secunia.com/advisories/18308

External Source: SECUNIA

Name: 18156

Hyperlink:http://secunia.com/advisories/18156

External Source: SECUNIA

Name: 18102

Hyperlink:http://secunia.com/advisories/18102

External Source: UBUNTU

Name: USN-235-1

Hyperlink:http://lists.ubuntu.com/archives/ubuntu-security-announce/2006-January/000266.html

External Source: MANDRIVA

Name: MDKSA-2006:159

Hyperlink:http://frontal2.mandriva.com/security/advisories?name=MDKSA-2006:159

External Source: MANDRAKE

Name: MDKSA-2005:234

Hyperlink:http://frontal2.mandriva.com/security/advisories?name=MDKSA-2005:234