medium
4.6
CWE
NVD-CWE-Other
Advisory Published
Updated

CVE-2005-4158

First published: Sun Dec 11 2005(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Sudo=1.5.6
Sudo=1.5.7
Sudo=1.5.8
Sudo=1.5.9
Sudo=1.6
Sudo=1.6.1
Sudo=1.6.2
Sudo=1.6.3
Sudo=1.6.3_p1
Sudo=1.6.3_p2
Sudo=1.6.3_p3
Sudo=1.6.3_p4
Sudo=1.6.3_p5
Sudo=1.6.3_p6
Sudo=1.6.3_p7
Sudo=1.6.4
Sudo=1.6.4_p1
Sudo=1.6.4_p2
Sudo=1.6.5
Sudo=1.6.5_p1
Sudo=1.6.5_p2
Sudo=1.6.6
Sudo=1.6.7
Sudo=1.6.7_p5
Sudo=1.6.8
Sudo=1.6.8_p1
Sudo=1.6.8_p5
Sudo=1.6.8_p7
Sudo=1.6.8_p8
Sudo=1.6.8_p9

Remedy

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

Remedy

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

Remedy

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

Remedy

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

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2005-4158?

    CVE-2005-4158 has a moderate severity level as it allows limited local users to execute arbitrary Perl library files.

  • How do I fix CVE-2005-4158?

    To fix CVE-2005-4158, upgrade to Sudo version 1.6.8 or later where the vulnerability is addressed.

  • What versions of Sudo are affected by CVE-2005-4158?

    CVE-2005-4158 affects Sudo versions prior to 1.6.8 including 1.5.8, 1.5.9, and several 1.6.x versions.

  • What are the implications of CVE-2005-4158 for system security?

    The implications of CVE-2005-4158 include the potential for unauthorized code execution by local users, which could lead to further system compromise.

  • How was CVE-2005-4158 discovered?

    CVE-2005-4158 was discovered through analysis of the Sudo environment variable handling, particularly the handling of the Perl taint flag.

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