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CVSSv2

CVE-2012-4557

Published: 30/11/2012 Updated: 07/11/2023
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
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Vulnerability Summary

The mod_proxy_ajp module in the Apache HTTP Server 2.2.12 up to and including 2.2.21 places a worker node into an error state upon detection of a long request-processing time, which allows remote malicious users to cause a denial of service (worker consumption) via an expensive request.

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apache http server 2.2.13

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Vendor Advisories

Red Hat: Low: httpd security, bug fix, and enhancement update
Synopsis Low: httpd security, bug fix, and enhancement update Type/Severity Security Advisory: Low Topic Updated httpd packages that fix two security issues, several bugs, and addvarious enhancements are now available for Red Hat Enterprise Linux 6The Red Hat Security Response Team has rated this update as ...
Ubuntu Security Notice: apache2 vulnerabilities
Several security issues were fixed in the Apache HTTP Server ...
Debian Security Advisories: DSA-2579-1 apache2 -- Multiple issues
A vulnerability has been found in the Apache HTTPD Server: CVE-2012-4557 A flaw was found when mod_proxy_ajp connects to a backend server that takes too long to respond Given a specific configuration, a remote attacker could send certain requests, putting a backend server into an error state until the retry timeout expired This could lead t ...

References

CWE-399https://bugzilla.redhat.com/show_bug.cgi?id=871685http://svn.apache.org/viewvc?view=revision&revision=1227298http://httpd.apache.org/security/vulnerabilities_22.html#2.2.22http://www.debian.org/security/2012/dsa-2579http://lists.opensuse.org/opensuse-updates/2013-02/msg00009.htmlhttp://lists.opensuse.org/opensuse-updates/2013-02/msg00012.htmlhttp://marc.info/?l=bugtraq&m=136612293908376&w=2https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19284https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18938https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r9b4b963760a3cb5a4a70c902f325c6c0337fe51d5b8570416f8f8729%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r05b5357d1f6bd106f41541ee7d87aafe3f5ea4dc3e9bde5ce09baff8%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r9821b0a32a1d0a1b4947abb6f3630053fcbb2ec905d9a32c2bd4d4ee%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3Ehttps://access.redhat.com/errata/RHSA-2013:0512https://nvd.nist.govhttps://usn.ubuntu.com/1765-1/
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