National Cyber Awareness System

Vulnerability Summary for CVE-2012-0021

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: CONFIRM

Name: https://issues.apache.org/bugzilla/show_bug.cgi?id=52256

Type: Patch Information

Hyperlink:https://issues.apache.org/bugzilla/show_bug.cgi?id=52256

External Source: CONFIRM

Name: http://svn.apache.org/viewvc?view=revision&revision=1227292

Type: Patch Information

Hyperlink:http://svn.apache.org/viewvc?view=revision&revision=1227292

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=785065

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=785065

External Source: CONFIRM

Name: http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html

Hyperlink:http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html

External Source: CONFIRM

Name: http://support.apple.com/kb/HT5501

Hyperlink:http://support.apple.com/kb/HT5501

External Source: SECUNIA

Name: 48551

Hyperlink:http://secunia.com/advisories/48551

External Source: APPLE

Name: APPLE-SA-2012-09-19-2

Hyperlink:http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html

External Source: CONFIRM

Name: http://httpd.apache.org/security/vulnerabilities_22.html

Type: Advisory

Hyperlink:http://httpd.apache.org/security/vulnerabilities_22.html

External Source: HP

Name: SSRT100877

Hyperlink:http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041

External Source: HP

Name: HPSBMU02786

Hyperlink:http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041