CVE-2011-3368

Summary

CVECVE-2011-3368
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-10-05 22:55:02 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe mod_proxy module in the Apache HTTP Server 1.3.x through 1.3.42, 2.0.x through 2.0.64, and 2.2.x through 2.2.21 does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch pattern matches for configuration of a reverse proxy, which allows remote attackers to send requests to intranet servers via a malformed URI containing an initial @ (at sign) character.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:P/I:N/A:N

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:L/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Apache Http Server 1.3 All All All
Application Apache Http Server 1.3.0 All All All
Application Apache Http Server 1.3.1 All All All
Application Apache Http Server 1.3.1.1 All All All
Application Apache Http Server 1.3.10 All All All
Application Apache Http Server 1.3.11 All All All
Application Apache Http Server 1.3.12 All All All
Application Apache Http Server 1.3.13 All All All
Application Apache Http Server 1.3.14 All All All
Application Apache Http Server 1.3.15 All All All
Application Apache Http Server 1.3.16 All All All
Application Apache Http Server 1.3.17 All All All
Application Apache Http Server 1.3.18 All All All
Application Apache Http Server 1.3.19 All All All
Application Apache Http Server 1.3.2 All All All
Application Apache Http Server 1.3.20 All All All
Application Apache Http Server 1.3.22 All All All
Application Apache Http Server 1.3.23 All All All
Application Apache Http Server 1.3.24 All All All
Application Apache Http Server 1.3.25 All All All
Application Apache Http Server 1.3.26 All All All
Application Apache Http Server 1.3.27 All All All
Application Apache Http Server 1.3.28 All All All
Application Apache Http Server 1.3.29 All All All
Application Apache Http Server 1.3.3 All All All
Application Apache Http Server 1.3.30 All All All
Application Apache Http Server 1.3.31 All All All
Application Apache Http Server 1.3.32 All All All
Application Apache Http Server 1.3.33 All All All
Application Apache Http Server 1.3.34 All All All
Application Apache Http Server 1.3.35 All All All
Application Apache Http Server 1.3.36 All All All
Application Apache Http Server 1.3.37 All All All
Application Apache Http Server 1.3.38 All All All
Application Apache Http Server 1.3.39 All All All
Application Apache Http Server 1.3.4 All All All
Application Apache Http Server 1.3.41 All All All
Application Apache Http Server 1.3.42 All All All
Application Apache Http Server 1.3.5 All All All
Application Apache Http Server 1.3.6 All All All
Application Apache Http Server 1.3.65 All All All
Application Apache Http Server 1.3.68 All All All
Application Apache Http Server 1.3.7 All All All
Application Apache Http Server 1.3.8 All All All
Application Apache Http Server 1.3.9 All All All
Application Apache Http Server 2.0 All All All
Application Apache Http Server 2.0.28 All All All
Application Apache Http Server 2.0.28 beta All All
Application Apache Http Server 2.0.32 All All All
Application Apache Http Server 2.0.32 beta All All
Application Apache Http Server 2.0.34 beta All All
Application Apache Http Server 2.0.35 All All All
Application Apache Http Server 2.0.36 All All All
Application Apache Http Server 2.0.37 All All All
Application Apache Http Server 2.0.38 All All All
Application Apache Http Server 2.0.39 All All All
Application Apache Http Server 2.0.40 All All All
Application Apache Http Server 2.0.41 All All All
Application Apache Http Server 2.0.42 All All All
Application Apache Http Server 2.0.43 All All All
Application Apache Http Server 2.0.44 All All All
Application Apache Http Server 2.0.45 All All All
Application Apache Http Server 2.0.46 All All All
Application Apache Http Server 2.0.47 All All All
Application Apache Http Server 2.0.48 All All All
Application Apache Http Server 2.0.49 All All All
Application Apache Http Server 2.0.50 All All All
Application Apache Http Server 2.0.51 All All All
Application Apache Http Server 2.0.52 All All All
Application Apache Http Server 2.0.53 All All All
Application Apache Http Server 2.0.54 All All All
Application Apache Http Server 2.0.55 All All All
Application Apache Http Server 2.0.56 All All All
Application Apache Http Server 2.0.57 All All All
Application Apache Http Server 2.0.58 All All All
Application Apache Http Server 2.0.59 All All All
Application Apache Http Server 2.0.60 All All All
Application Apache Http Server 2.0.61 All All All
Application Apache Http Server 2.0.63 All All All
Application Apache Http Server 2.0.64 All All All
Application Apache Http Server 2.0.9 All All All
Application Apache Http Server 2.2.0 All All All
Application Apache Http Server 2.2.1 All All All
Application Apache Http Server 2.2.10 All All All
Application Apache Http Server 2.2.11 All All All
Application Apache Http Server 2.2.12 All All All
Application Apache Http Server 2.2.13 All All All
Application Apache Http Server 2.2.14 All All All
Application Apache Http Server 2.2.15 All All All
Application Apache Http Server 2.2.16 All All All
Application Apache Http Server 2.2.18 All All All
Application Apache Http Server 2.2.19 All All All
Application Apache Http Server 2.2.2 All All All
Application Apache Http Server 2.2.20 All All All
Application Apache Http Server 2.2.21 All All All
Application Apache Http Server 2.2.3 All All All
Application Apache Http Server 2.2.4 All All All
Application Apache Http Server 2.2.6 All All All
Application Apache Http Server 2.2.8 All All All
Application Apache Http Server 2.2.9 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
Oracle Critical Patch Update - July 2012 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Debian -- Security Information -- DSA-2405-1 apache2 af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Security Alerts - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Full Disclosure: Apache HTTP Server: mod_proxy reverse proxy exposure (CVE-2011-3368) af854a3a-2127-422b-91ae-364da2661108 seclists.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Apache HTTP Server 'mod_proxy' Reverse Proxy Information Disclosure Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
IBM SE49723 - HTTPSVR - PATCH APACHE VULNERABILITY CVE-2011-3368 - United States af854a3a-2127-422b-91ae-364da2661108 www-01.ibm.com
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Advisory: mod_proxy reverse proxy exposure (CVE-2011-3368) - announce.httpd.apache.org - ArchiveOrange af854a3a-2127-422b-91ae-364da2661108 web.archiveorange.com Exploit, Patch
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
'[security bulletin] HPSBMU02748 SSRT100772 rev.1 - HP OpenView Network Node Manager (OV NNM) Running' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
access.redhat.com af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
openSUSE-SU-2013:0248-1: moderate: update for apache2 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
About the security content of OS X Mountain Lion v10.8.2, OS X Lion v10.7.5 and Security Update 2012-004 af854a3a-2127-422b-91ae-364da2661108 support.apple.com
[Apache-SVN] Revision 1179239 af854a3a-2127-422b-91ae-364da2661108 svn.apache.org Patch
openSUSE-SU-2013:0243-1: moderate: update for apache2 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Full Disclosure: Context IS Advisory - Apache Reverse Proxy Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 seclists.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
[security-announce] SUSE-SU-2011:1229-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
IBM SE49724 - HTTPSVR - PATCH APACHE VULNERABILITY CVE-2011-3368 - United States af854a3a-2127-422b-91ae-364da2661108 www-01.ibm.com
Apache mod_proxy Reverse Proxy Exposure Vulnerability PoC af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com
Support / Security / Advisories / / MDVSA-2011:144 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
Context af854a3a-2127-422b-91ae-364da2661108 www.contextis.com
Support / Security / Advisories / / MDVSA-2013:150 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
osvdb.org/76079 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
access.redhat.com af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com
'[security bulletin] HPSBOV02822 SSRT100966 rev.1 - HP Secure Web Server (SWS) for OpenVMS, Remote De' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
Juniper Networks - 2013-08 Security Bulletin: Junos Space: Multiple Vulnerabilities - Knowledge Base af854a3a-2127-422b-91ae-364da2661108 kb.juniper.net
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Oracle Critical Patch Update - January 2015 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
Bug 740045 – CVE-2011-3368 httpd: reverse web proxy vulnerability af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Exploit, Patch
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Apache mod_proxy Pattern Matching Bug Lets Remote Users Access Internal Servers - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
APPLE-SA-2012-09-19-2 OS X Mountain Lion v10.8.2, OS X Lion v10.7.5 and Security Update 2012-004 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com
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