Permissions, Privileges, and Access Controls in Apache HTTP Server - CVE-2012-0883

 

Permissions, Privileges, and Access Controls in Apache HTTP Server - CVE-2012-0883

Published: April 18, 2012 / Updated: July 28, 2020


Vulnerability identifier: #VU32751
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-0883
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local non-authenticated attacker to execute arbitrary code.

envvars (aka envvars-std) in the Apache HTTP Server before 2.4.2 places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse DSO in the current working directory during execution of apachectl.


Affected software

Apache HTTP Server
apache2 (Alpine package)
HP-UX Web Server Suite

How to mitigate CVE-2012-0883

Install update from vendor's website.

Apache HTTP Server - update to 2.4.2
apache2 (Alpine package) - update to 2.2.23-r0
HP-UX Web Server Suite - addressed in versions 2.36, 3.24

External References

Related Security Bulletins