Public Date:
645672: CVE-2010-3856 glibc: arbitrary DSO loading via LD_AUDIT in setuid/setgid programs

The MITRE CVE dictionary describes this issue as: in the GNU C Library (aka glibc or libc6) before 2.11.3, and 2.12.x before 2.12.2, does not properly restrict use of the LD_AUDIT environment variable to reference dynamic shared objects (DSOs) as audit objects, which allows local users to gain privileges by leveraging an unsafe DSO located in a trusted library directory, as demonstrated by

Find out more about CVE-2010-3856 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 7.2
Base Metrics AV:L/AC:L/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 5 (glibc) RHSA-2010:0793 2010-10-25
Red Hat Enterprise Linux 6 (glibc) RHSA-2010:0872 2010-11-10


Red Hat would like to thank Ben Hawkes and Tavis Ormandy for reporting this issue.
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