CVE-2006-6164

N/A Unknown
Published: November 29, 2006 Modified: April 23, 2026
View on NVD

Description

The _dl_unsetenv function in loader.c in the ELF ld.so in OpenBSD 3.9 and 4.0 does not properly remove duplicate environment variables, which allows local users to pass dangerous variables such as LD_PRELOAD to loading processes, which might be leveraged to gain privileges.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://securitytracker.com/id?1017253
Source: cve@mitre.org
Patch
http://www.openbsd.org/errata.html#ldso
Source: cve@mitre.org
Patch
http://secunia.com/advisories/22993
Source: af854a3a-2127-422b-91ae-364da2661108
http://securitytracker.com/id?1017253
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.openbsd.org/errata.html#ldso
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.openbsd.org/errata39.html#ldso
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.securityfocus.com/archive/1/452371/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/452428/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/21188
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/30441
Source: af854a3a-2127-422b-91ae-364da2661108

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.0%
14th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

openbsd