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.

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-2579-1 apache2 security update
Ubuntu USN Ubuntu USN USN-1765-1 Apache HTTP Server vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

References
Link Providers
http://httpd.apache.org/security/vulnerabilities_22.html#2.2.22 cve-icon cve-icon
http://lists.opensuse.org/opensuse-updates/2013-02/msg00009.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-updates/2013-02/msg00012.html cve-icon cve-icon
http://marc.info/?l=bugtraq&m=136612293908376&w=2 cve-icon cve-icon
http://svn.apache.org/viewvc?view=revision&revision=1227298 cve-icon cve-icon
http://www.debian.org/security/2012/dsa-2579 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=871685 cve-icon cve-icon
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r05b5357d1f6bd106f41541ee7d87aafe3f5ea4dc3e9bde5ce09baff8%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9821b0a32a1d0a1b4947abb6f3630053fcbb2ec905d9a32c2bd4d4ee%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9b4b963760a3cb5a4a70c902f325c6c0337fe51d5b8570416f8f8729%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2012-4557 cve-icon
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18938 cve-icon cve-icon
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19284 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2012-4557 cve-icon
History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T20:42:54.760Z

Reserved: 2012-08-21T00:00:00

Link: CVE-2012-4557

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2012-11-30T19:55:01.050

Modified: 2025-04-11T00:51:21.963

Link: CVE-2012-4557

cve-icon Redhat

Severity : Low

Publid Date: 2012-01-04T00:00:00Z

Links: CVE-2012-4557 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses