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Last updated: 8/1/2014 6:25:20 PM

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Vulnerability Workload Index: 6.81
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National Cyber Awareness System

Vulnerability Summary for CVE-2011-3368

Original release date: 10/05/2011
Last revised: 10/10/2013
Source: US-CERT/NIST

Overview

The 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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:P/I:N/A:N) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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External Source: OSVDB
Name: 76079
External Source: REDHAT
Name: RHSA-2011:1392
External Source: CONFIRM
Name: http://svn.apache.org/viewvc?view=revision&revision=1179239
Type: Patch Information
External Source: SECUNIA
Name: 46414
External Source: HP
Name: HPSBOV02822
External Source: SECUNIA
Name: 46288
External Source: XF
Name: apache-modproxy-information-disclosure(70336)
External Source: CONFIRM
Name: http://kb.juniper.net/JSA10585
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=740045
Type: Patch Information; Exploit
External Source: FULLDISC
Name: 20111005 Context IS Advisory - Apache Reverse Proxy Bypass Vulnerability
External Source: SECTRACK
Name: 1026144
External Source: CONFIRM
Name: http://support.apple.com/kb/HT5501
External Source: EXPLOIT-DB
Name: 17969
External Source: CONFIRM
Name: http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
External Source: BID
Name: 49957
External Source: HP
Name: SSRT100966
External Source: SUSE
Name: SUSE-SU-2011:1229
External Source: MLIST
Name: [announce] 20111005 Advisory: mod_proxy reverse proxy exposure (CVE-2011-3368)
Type: Patch Information; Exploit
External Source: SECUNIA
Name: 48551
External Source: MISC
Name: http://www.contextis.com/research/blog/reverseproxybypass/
External Source: FULLDISC
Name: 20111005 Apache HTTP Server: mod_proxy reverse proxy exposure (CVE-2011-3368)
External Source: AIXAPAR
Name: SE49723
External Source: SUSE
Name: openSUSE-SU-2013:0248
External Source: AIXAPAR
Name: SE49724
External Source: MANDRIVA
Name: MDVSA-2011:144
External Source: SUSE
Name: openSUSE-SU-2013:0243
External Source: APPLE
Name: APPLE-SA-2012-09-19-2
External Source: MANDRIVA
Name: MDVSA-2013:150
External Source: REDHAT
Name: RHSA-2011:1391

Vulnerable software and versions

Skip Navigation Links.
Collapse Configuration 1Configuration 1
Collapse OROR
* cpe:/a:apache:http_server:2.2.1
* cpe:/a:apache:http_server:2.2.6
* cpe:/a:apache:http_server:2.2.11
* cpe:/a:apache:http_server:2.2.9
* cpe:/a:apache:http_server:2.2.10
* cpe:/a:apache:http_server:2.2.8
* cpe:/a:apache:http_server:2.2.13
* cpe:/a:apache:http_server:2.2.3
* cpe:/a:apache:http_server:2.2.12
* cpe:/a:apache:http_server:2.2.0
* cpe:/a:apache:http_server:2.2.16
* cpe:/a:apache:http_server:2.2.15
* cpe:/a:apache:http_server:2.2.2
* cpe:/a:apache:http_server:2.2.4
* cpe:/a:apache:http_server:2.2.18
* cpe:/a:apache:http_server:2.2.14
* cpe:/a:apache:http_server:2.2.19
* cpe:/a:apache:http_server:2.2.20
* cpe:/a:apache:http_server:2.2.21
Collapse Configuration 2Configuration 2
Collapse OROR
* cpe:/a:apache:http_server:2.0.61
* cpe:/a:apache:http_server:2.0.58
* cpe:/a:apache:http_server:2.0.55
* cpe:/a:apache:http_server:2.0.54
* cpe:/a:apache:http_server:2.0.57
* cpe:/a:apache:http_server:2.0.56
* cpe:/a:apache:http_server:2.0.51
* cpe:/a:apache:http_server:2.0.50
* cpe:/a:apache:http_server:2.0.53
* cpe:/a:apache:http_server:2.0.52
* cpe:/a:apache:http_server:2.0.47
* cpe:/a:apache:http_server:2.0.46
* cpe:/a:apache:http_server:2.0.49
* cpe:/a:apache:http_server:2.0.48
* cpe:/a:apache:http_server:2.0.43
* cpe:/a:apache:http_server:2.0.42
* cpe:/a:apache:http_server:2.0.45
* cpe:/a:apache:http_server:2.0.44
* cpe:/a:apache:http_server:2.0.59
* cpe:/a:apache:http_server:2.0.63
* cpe:/a:apache:http_server:2.0.9
* cpe:/a:apache:http_server:2.0.60
* cpe:/a:apache:http_server:2.0
* cpe:/a:apache:http_server:2.0.28:beta
* cpe:/a:apache:http_server:2.0.28
* cpe:/a:apache:http_server:2.0.32:beta
* cpe:/a:apache:http_server:2.0.32
* cpe:/a:apache:http_server:2.0.35
* cpe:/a:apache:http_server:2.0.34:beta
* cpe:/a:apache:http_server:2.0.37
* cpe:/a:apache:http_server:2.0.36
* cpe:/a:apache:http_server:2.0.39
* cpe:/a:apache:http_server:2.0.38
* cpe:/a:apache:http_server:2.0.41
* cpe:/a:apache:http_server:2.0.40
* cpe:/a:apache:http_server:2.0.64
Collapse Configuration 3Configuration 3
Collapse OROR
* cpe:/a:apache:http_server:1.3.35
* cpe:/a:apache:http_server:1.3.20
* cpe:/a:apache:http_server:1.3.34
* cpe:/a:apache:http_server:1.3.2
* cpe:/a:apache:http_server:1.3.36
* cpe:/a:apache:http_server:1.3.39
* cpe:/a:apache:http_server:1.3.10
* cpe:/a:apache:http_server:1.3.16
* cpe:/a:apache:http_server:1.3.15
* cpe:/a:apache:http_server:1.3.13
* cpe:/a:apache:http_server:1.3.19
* cpe:/a:apache:http_server:1.3.18
* cpe:/a:apache:http_server:1.3.17
* cpe:/a:apache:http_server:1.3.14
* cpe:/a:apache:http_server:1.3.41
* cpe:/a:apache:http_server:1.3.37
* cpe:/a:apache:http_server:1.3.0
* cpe:/a:apache:http_server:1.3.38
* cpe:/a:apache:http_server:1.3.24
* cpe:/a:apache:http_server:1.3.25
* cpe:/a:apache:http_server:1.3.22
* cpe:/a:apache:http_server:1.3.23
* cpe:/a:apache:http_server:1.3.27
* cpe:/a:apache:http_server:1.3.26
* cpe:/a:apache:http_server:1.3.65
* cpe:/a:apache:http_server:1.3.1
* cpe:/a:apache:http_server:1.3.11
* cpe:/a:apache:http_server:1.3.12
* cpe:/a:apache:http_server:1.3.68
* cpe:/a:apache:http_server:1.3.28
* cpe:/a:apache:http_server:1.3.29
* cpe:/a:apache:http_server:1.3.3
* cpe:/a:apache:http_server:1.3.30
* cpe:/a:apache:http_server:1.3.31
* cpe:/a:apache:http_server:1.3
* cpe:/a:apache:http_server:1.3.32
* cpe:/a:apache:http_server:1.3.33
* cpe:/a:apache:http_server:1.3.1.1
* cpe:/a:apache:http_server:1.3.4
* cpe:/a:apache:http_server:1.3.5
* cpe:/a:apache:http_server:1.3.6
* cpe:/a:apache:http_server:1.3.42
* cpe:/a:apache:http_server:1.3.8
* cpe:/a:apache:http_server:1.3.7
* cpe:/a:apache:http_server:1.3.9
* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)