Vulnerabilities > CVE-2006-6164 - Unspecified vulnerability in Openbsd 3.9/4.0
Attack vector
UNKNOWN Attack complexity
UNKNOWN Privileges required
UNKNOWN Confidentiality impact
UNKNOWN Integrity impact
UNKNOWN Availability impact
UNKNOWN Summary
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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 2 |
References
- http://secunia.com/advisories/22993
- http://secunia.com/advisories/22993
- http://securitytracker.com/id?1017253
- http://securitytracker.com/id?1017253
- http://www.matasano.com/log/592/finger-79tcp-mcdonald-dowd-and-schuh-challenge-part-2/
- http://www.matasano.com/log/592/finger-79tcp-mcdonald-dowd-and-schuh-challenge-part-2/
- http://www.openbsd.org/errata.html#ldso
- http://www.openbsd.org/errata.html#ldso
- http://www.openbsd.org/errata39.html#ldso
- http://www.openbsd.org/errata39.html#ldso
- http://www.securityfocus.com/archive/1/452371/100/0/threaded
- http://www.securityfocus.com/archive/1/452371/100/0/threaded
- http://www.securityfocus.com/archive/1/452428/100/0/threaded
- http://www.securityfocus.com/archive/1/452428/100/0/threaded
- http://www.securityfocus.com/bid/21188
- http://www.securityfocus.com/bid/21188
- https://exchange.xforce.ibmcloud.com/vulnerabilities/30441
- https://exchange.xforce.ibmcloud.com/vulnerabilities/30441