CVE-2012-0883

Severity: medium (CVSS 6.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-04-18 · updated 2026-06-16

Description

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 products

Apache HTTP Server: from 2.2.0 before 2.2.23; 2.4.1 — fixed in 2.2.23
Opensuse: 11.4, 12.1

How to fix

Upgrade to a fixed version: Apache HTTP Server 2.2.23. Check the vendor advisory for mitigations.

References

http://article.gmane.org/gmane.comp.apache.devel/48158
http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
http://lists.opensuse.org/opensuse-updates/2013-02/msg00009.html
http://lists.opensuse.org/opensuse-updates/2013-02/msg00012.html
http://marc.info/?l=bugtraq&m=134012830914727&w=2
http://secunia.com/advisories/48849
http://support.apple.com/kb/HT5880
http://svn.apache.org/viewvc?view=revision&revision=1296428
http://www.apache.org/dist/httpd/Announcement2.4.html
http://www.apachelounge.com/Changelog-2.4.html
http://www.securityfocus.com/bid/53046
http://www.securitytracker.com/id?1026932

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