CVEvulnerability

CVE-2006-6164

7.2 HIGH Published 2006-11-29 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2006-11-29
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C

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.

Affected configurations

• openbsd openbsd 3.9 • openbsd openbsd 4.0

References