CVE-2012-0031
Description
scoreboard.c in the Apache HTTP Server 2.2.21 and earlier might allow local users to cause a denial of service (daemon crash during shutdown) or possibly have unspecified other impact by modifying a certain type field within a scoreboard shared memory segment, leading to an invalid call to the free function.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Apache 2.2 - Scoreboard Invalid Free On Shutdown
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 2.2.22-1 |
| debian | bullseye | fixed | 2.2.22-1 |
| debian | forky | fixed | 2.2.22-1 |
| debian | sid | fixed | 2.2.22-1 |
| debian | trixie | fixed | 2.2.22-1 |
| suse | 11.4 | affected | |
| suse | 10 | affected | |
| debian | 5.0 | affected | |
| debian | 6.0 | affected | |
| debian | 7.0 | affected | |
| rhel | 5.0 | not-affected | |
| rhel | 6.0 | not-affected | |
| rhel | 6.2 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| apache | http_server | {"startIncluding":"2.0.0","endExcluding":"2.0.65"} | 2.0.65 |
| redhat | jboss_enterprise_web_server | 1.0.0 | |
| redhat | storage | 2.0 | |
| apache | http_server | {"startIncluding":"2.2.0","endExcluding":"2.2.22"} | 2.2.22 |
References
- https://security-tracker.debian.org/tracker/CVE-2012-0031
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00002.html
- http://marc.info/?l=bugtraq&m=133294460209056&w=2
- http://marc.info/?l=bugtraq&m=133494237717847&w=2
- http://marc.info/?l=bugtraq&m=134987041210674&w=2
- http://rhn.redhat.com/errata/RHSA-2012-0128.html
- http://rhn.redhat.com/errata/RHSA-2012-0542.html
- http://rhn.redhat.com/errata/RHSA-2012-0543.html
- http://secunia.com/advisories/47410
- http://secunia.com/advisories/48551
- http://support.apple.com/kb/HT5501
- http://svn.apache.org/viewvc?view=revision&revision=1230065
- http://www.debian.org/security/2012/dsa-2405
- http://www.halfdog.net/Security/2011/ApacheScoreboardInvalidFreeOnShutdown/
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:012
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
- http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
- http://www.securityfocus.com/bid/51407
- https://bugzilla.redhat.com/show_bug.cgi?id=773744
- https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.