CVE - CVE-2011-4415

CVE-ID
CVE-2011-4415	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
The ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, does not restrict the size of values of environment variables, which allows local users to cause a denial of service (memory consumption or NULL pointer dereference) via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, related to (1) the "len +=" statement and (2) the apr_pcalloc function call, a different vulnerability than CVE-2011-3607.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
CONFIRM:http://www.gossamer-threads.com/lists/apache/dev/403775 HP:HPSBMU02786 URL:http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041 HP:SSRT100877 URL:http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041 MISC:http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/ MISC:http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/DemoExploit.html
Assigning CNA
MITRE Corporation
Date Record Created
20111108	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20111108)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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