CVE-2012-4557
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.0
Description
The mod_proxy_ajp module in the Apache HTTP Server 2.2.12 through 2.2.21 places a worker node into an error state upon detection of a long request-processing time, which allows remote attackers to cause a denial of service (worker consumption) via an expensive request.
Predictions
Exploit likelihood
20%
Patch ETA
—
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.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | forky | fixed | 2.2.22-1 |
| debian | bookworm | fixed | 2.2.22-1 |
| debian | bullseye | fixed | 2.2.22-1 |
| debian | sid | fixed | 2.2.22-1 |
| debian | trixie | fixed | 2.2.22-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| apache | http_server | 2.2.12 | |
| apache | http_server | 2.2.13 | |
| apache | http_server | 2.2.14 | |
| apache | http_server | 2.2.15 | |
| apache | http_server | 2.2.16 | |
| apache | http_server | 2.2.17 | |
| apache | http_server | 2.2.18 | |
| apache | http_server | 2.2.19 | |
| apache | http_server | 2.2.20 | |
| apache | http_server | 2.2.21 | |
References
- https://security-tracker.debian.org/tracker/CVE-2012-4557
- http://httpd.apache.org/security/vulnerabilities_22.html#2.2.22
- 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=136612293908376&w=2
- http://svn.apache.org/viewvc?view=revision&revision=1227298
- http://www.debian.org/security/2012/dsa-2579
- https://bugzilla.redhat.com/show_bug.cgi?id=871685
- https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r05b5357d1f6bd106f41541ee7d87aafe3f5ea4dc3e9bde5ce09baff8%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r9821b0a32a1d0a1b4947abb6f3630053fcbb2ec905d9a32c2bd4d4ee%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r9b4b963760a3cb5a4a70c902f325c6c0337fe51d5b8570416f8f8729%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18938
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19284
CWEs
CWE-399
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.