CVE-2011-3348

Apache HTTP Server 2.2.12-2.2.20 - Denial of Service via mod_proxy_ajp Malformed HTTP Request

Title source: llm
STIX 2.1

Description

The mod_proxy_ajp module in the Apache HTTP Server before 2.2.21, when used with mod_proxy_balancer in certain configurations, allows remote attackers to cause a denial of service (temporary "error state" in the backend server) via a malformed HTTP request.

References (30)

Core 30
Core References
Issue Tracking, Mailing List, Third Party Advisory vendor-advisory x_refsource_hp
http://marc.info/?l=bugtraq&m=131731002122529&w=2
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/69804
Third Party Advisory x_refsource_confirm
http://support.apple.com/kb/HT5130
Third Party Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2011-1391.html
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2012-0543.html
Issue Tracking, Mailing List, Third Party Advisory vendor-advisory x_refsource_hp
http://marc.info/?l=bugtraq&m=132033751509019&w=2
Broken Link vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2011:168
Broken Link, Mailing List vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
Exploit, Third Party Advisory x_refsource_misc
http://community.jboss.org/message/625307
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/49616
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2012-0542.html
Broken Link, Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1026054
Not Applicable, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/46013

Scores

EPSS 0.2238
EPSS Percentile 97.4%

Details

CWE
CWE-400
Status published
Products (2)
apache/http_server 2.2.12 - 2.2.20
redhat/jboss_enterprise_web_server 1.0.0
Published Sep 20, 2011
Tracked Since Feb 18, 2026