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CVE-2012-0021

CVE-2012-0021

EPSS 30.8%
The log_cookie function in mod_log_config.c in the mod_log_config module in the Apache HTTP Server 2.2.17 through 2.2.21, when a threaded MPM is used, does not properly handle a %{}C format string, which allows remote attackers to cause a denial of service (daemon crash) via a cookie that lacks both a name and a value.
Affected products
n/a · n/a

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References
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041http://httpd.apache.org/security/vulnerabilities_22.htmlhttp://lists.apple.com/archives/security-announce/2012/Sep/msg00004.htmlhttp://marc.info/?l=bugtraq&m=133294460209056&w=2http://marc.info/?l=bugtraq&m=133494237717847&w=2http://rhn.redhat.com/errata/RHSA-2012-0542.htmlhttp://rhn.redhat.com/errata/RHSA-2012-0543.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=785065http://secunia.com/advisories/48551https://issues.apache.org/bugzilla/show_bug.cgi?id=52256https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E