Vulnerability Monitor

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CVE-2005-4158

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.

Security Impact Summary

CVE-2005-4158 is a security vulnerability that . Impacting 1 product from todd_miller organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2005, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2005-12-11T02:03:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.6 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	todd_miller	sudo	1.5.6	Yes
Application	todd_miller	sudo	1.5.7	Yes
Application	todd_miller	sudo	1.5.8	Yes
Application	todd_miller	sudo	1.5.9	Yes
Application	todd_miller	sudo	1.6	Yes
Application	todd_miller	sudo	1.6.1	Yes
Application	todd_miller	sudo	1.6.2	Yes
Application	todd_miller	sudo	1.6.3	Yes
Application	todd_miller	sudo	1.6.3_p1	Yes
Application	todd_miller	sudo	1.6.3_p2	Yes
Application	todd_miller	sudo	1.6.3_p3	Yes
Application	todd_miller	sudo	1.6.3_p4	Yes
Application	todd_miller	sudo	1.6.3_p5	Yes
Application	todd_miller	sudo	1.6.3_p6	Yes
Application	todd_miller	sudo	1.6.3_p7	Yes
Application	todd_miller	sudo	1.6.4	Yes
Application	todd_miller	sudo	1.6.4_p1	Yes
Application	todd_miller	sudo	1.6.4_p2	Yes
Application	todd_miller	sudo	1.6.5	Yes
Application	todd_miller	sudo	1.6.5_p1	Yes
Application	todd_miller	sudo	1.6.5_p2	Yes
Application	todd_miller	sudo	1.6.6	Yes
Application	todd_miller	sudo	1.6.7	Yes
Application	todd_miller	sudo	1.6.7_p5	Yes
Application	todd_miller	sudo	1.6.8	Yes
Application	todd_miller	sudo	1.6.8_p1	Yes
Application	todd_miller	sudo	1.6.8_p5	Yes
Application	todd_miller	sudo	1.6.8_p7	Yes
Application	todd_miller	sudo	1.6.8_p8	Yes
Application	todd_miller	sudo	1.6.8_p9	Yes

References

http://secunia.com/advisories/17534/ Patch, Vendor Advisory ([email protected])
http://secunia.com/advisories/18102 ([email protected])
http://secunia.com/advisories/18156 ([email protected])
http://secunia.com/advisories/18308 ([email protected])
http://secunia.com/advisories/18463 ([email protected])
http://secunia.com/advisories/18549 ([email protected])
http://secunia.com/advisories/18558 ([email protected])
http://secunia.com/advisories/21692 ([email protected])
http://securitytracker.com/alerts/2005/Nov/1015192.html Patch ([email protected])
http://www.debian.org/security/2006/dsa-946 ([email protected])
http://www.mandriva.com/security/advisories?name=MDKSA-2005:234 ([email protected])
http://www.mandriva.com/security/advisories?name=MDKSA-2006:159 ([email protected])
http://www.novell.com/linux/security/advisories/2006_02_sr.html ([email protected])
http://www.securityfocus.com/bid/15394 Exploit, Patch ([email protected])
http://www.sudo.ws/sudo/alerts/perl_env.html Patch, Vendor Advisory ([email protected])
http://www.trustix.org/errata/2006/0002/ ([email protected])
http://www.vupen.com/english/advisories/2005/2386 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/23102 ([email protected])
https://www.ubuntu.com/usn/usn-235-1/ ([email protected])
http://secunia.com/advisories/17534/ Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/18102 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/18156 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/18308 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/18463 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/18549 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/18558 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/21692 (af854a3a-2127-422b-91ae-364da2661108)
http://securitytracker.com/alerts/2005/Nov/1015192.html Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2006/dsa-946 (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDKSA-2005:234 (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDKSA-2006:159 (af854a3a-2127-422b-91ae-364da2661108)
http://www.novell.com/linux/security/advisories/2006_02_sr.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/15394 Exploit, Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.sudo.ws/sudo/alerts/perl_env.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.trustix.org/errata/2006/0002/ (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2005/2386 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/23102 (af854a3a-2127-422b-91ae-364da2661108)
https://www.ubuntu.com/usn/usn-235-1/ (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For todd_miller's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.