2.6
CVSSv2

CVE-2012-0021

Published: 28/01/2012 Updated: 07/11/2023
CVSS v2 Base Score: 2.6 | Impact Score: 2.9 | Exploitability Score: 4.9
VMScore: 231
Vector: AV:N/AC:H/Au:N/C:N/I:N/A:P

Vulnerability Summary

The log_cookie function in mod_log_config.c in the mod_log_config module in the Apache HTTP Server 2.2.17 up to and including 2.2.21, when a threaded MPM is used, does not properly handle a %{}C format string, which allows remote malicious users to cause a denial of service (daemon crash) via a cookie that lacks both a name and a value.

Vulnerability Trend

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apache http server 2.2.17

apache http server 2.2.21

apache http server 2.2.19

apache http server 2.2.18

apache http server 2.2.20

Vendor Advisories

Synopsis Moderate: httpd security and bug fix update Type/Severity Security Advisory: Moderate Topic Updated httpd packages that fix multiple security issues and one bug arenow available for JBoss Enterprise Web Server 102 for Red Hat EnterpriseLinux 5 and 6The Red Hat Security Response Team has rated th ...
Several security issues were fixed in the Apache HTTP Server ...

References

CWE-20http://httpd.apache.org/security/vulnerabilities_22.htmlhttps://issues.apache.org/bugzilla/show_bug.cgi?id=52256http://svn.apache.org/viewvc?view=revision&revision=1227292https://bugzilla.redhat.com/show_bug.cgi?id=785065http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.htmlhttp://secunia.com/advisories/48551http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.htmlhttp://support.apple.com/kb/HT5501http://www.mandriva.com/security/advisories?name=MDVSA-2013:150http://marc.info/?l=bugtraq&m=133494237717847&w=2http://rhn.redhat.com/errata/RHSA-2012-0543.htmlhttp://rhn.redhat.com/errata/RHSA-2012-0542.htmlhttp://marc.info/?l=bugtraq&m=133294460209056&w=2http://www.mandriva.com/security/advisories?name=MDVSA-2012:012https://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/r1d201e3da31a2c8aa870c8314623caef7debd74a13d0f25205e26f15%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/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3Ehttps://access.redhat.com/errata/RHSA-2012:0542https://usn.ubuntu.com/1368-1/https://nvd.nist.gov