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Vulnerability Details : CVE-2011-4317

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, when the Revision 1179239 patch is in place, 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 @ (at sign) character and a : (colon) character in invalid positions. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-3368.
Publish Date : 2011-11-29 Last Update Date : 2013-10-10
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 20

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
2.6
AV:N/AC:H/Au:N/C:N/I:P/A:N 2011-11-23 2011-11-23
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-4317 oval:org.opensuse.security:def:20114317 unix
DSA-2405-1 apache2 -- multiple issues oval:org.mitre.oval:def:15373 unix
ELSA-2012:0128: httpd security update (Moderate) oval:org.mitre.oval:def:23836 unix
RHSA-2012:0128: httpd security update (Moderate) oval:org.mitre.oval:def:20843 unix
RHSA-2012:0128: httpd security update (Moderate) oval:com.redhat.rhsa:def:20120128 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2011-4317

# Product Type Vendor Product Version Update Edition Language
1 Application Apache Http Server 1.3 Version Details Vulnerabilities
2 Application Apache Http Server 1.3.0 Version Details Vulnerabilities
3 Application Apache Http Server 1.3.1 Version Details Vulnerabilities
4 Application Apache Http Server 1.3.1.1 Version Details Vulnerabilities
5 Application Apache Http Server 1.3.2 Version Details Vulnerabilities
6 Application Apache Http Server 1.3.3 Version Details Vulnerabilities
7 Application Apache Http Server 1.3.4 Version Details Vulnerabilities
8 Application Apache Http Server 1.3.5 Version Details Vulnerabilities
9 Application Apache Http Server 1.3.6 Version Details Vulnerabilities
10 Application Apache Http Server 1.3.7 Version Details Vulnerabilities
11 Application Apache Http Server 1.3.8 Version Details Vulnerabilities
12 Application Apache Http Server 1.3.9 Version Details Vulnerabilities
13 Application Apache Http Server 1.3.10 Version Details Vulnerabilities
14 Application Apache Http Server 1.3.11 Version Details Vulnerabilities
15 Application Apache Http Server 1.3.12 Version Details Vulnerabilities
16 Application Apache Http Server 1.3.13 Version Details Vulnerabilities
17 Application Apache Http Server 1.3.14 Version Details Vulnerabilities
18 Application Apache Http Server 1.3.15 Version Details Vulnerabilities
19 Application Apache Http Server 1.3.16 Version Details Vulnerabilities
20 Application Apache Http Server 1.3.17 Version Details Vulnerabilities
21 Application Apache Http Server 1.3.18 Version Details Vulnerabilities
22 Application Apache Http Server 1.3.19 Version Details Vulnerabilities
23 Application Apache Http Server 1.3.20 Version Details Vulnerabilities
24 Application Apache Http Server 1.3.22 Version Details Vulnerabilities
25 Application Apache Http Server 1.3.23 Version Details Vulnerabilities
26 Application Apache Http Server 1.3.24 Version Details Vulnerabilities
27 Application Apache Http Server 1.3.25 Version Details Vulnerabilities
28 Application Apache Http Server 1.3.26 Version Details Vulnerabilities
29 Application Apache Http Server 1.3.27 Version Details Vulnerabilities
30 Application Apache Http Server 1.3.28 Version Details Vulnerabilities
31 Application Apache Http Server 1.3.29 Version Details Vulnerabilities
32 Application Apache Http Server 1.3.30 Version Details Vulnerabilities
33 Application Apache Http Server 1.3.31 Version Details Vulnerabilities
34 Application Apache Http Server 1.3.32 Version Details Vulnerabilities
35 Application Apache Http Server 1.3.33 Version Details Vulnerabilities
36 Application Apache Http Server 1.3.34 Version Details Vulnerabilities
37 Application Apache Http Server 1.3.35 Version Details Vulnerabilities
38 Application Apache Http Server 1.3.36 Version Details Vulnerabilities
39 Application Apache Http Server 1.3.37 Version Details Vulnerabilities
40 Application Apache Http Server 1.3.38 Version Details Vulnerabilities
41 Application Apache Http Server 1.3.39 Version Details Vulnerabilities
42 Application Apache Http Server 1.3.41 Version Details Vulnerabilities
43 Application Apache Http Server 1.3.42 Version Details Vulnerabilities
44 Application Apache Http Server 1.3.65 Version Details Vulnerabilities
45 Application Apache Http Server 1.3.68 Version Details Vulnerabilities
46 Application Apache Http Server 2.0 Version Details Vulnerabilities
47 Application Apache Http Server 2.0.9 Version Details Vulnerabilities
48 Application Apache Http Server 2.0.28 Version Details Vulnerabilities
49 Application Apache Http Server 2.0.28 Beta Version Details Vulnerabilities
50 Application Apache Http Server 2.0.32 Beta Version Details Vulnerabilities
51 Application Apache Http Server 2.0.32 Version Details Vulnerabilities
52 Application Apache Http Server 2.0.34 Beta Version Details Vulnerabilities
53 Application Apache Http Server 2.0.35 Version Details Vulnerabilities
54 Application Apache Http Server 2.0.36 Version Details Vulnerabilities
55 Application Apache Http Server 2.0.37 Version Details Vulnerabilities
56 Application Apache Http Server 2.0.38 Version Details Vulnerabilities
57 Application Apache Http Server 2.0.39 Version Details Vulnerabilities
58 Application Apache Http Server 2.0.40 Version Details Vulnerabilities
59 Application Apache Http Server 2.0.41 Version Details Vulnerabilities
60 Application Apache Http Server 2.0.42 Version Details Vulnerabilities
61 Application Apache Http Server 2.0.43 Version Details Vulnerabilities
62 Application Apache Http Server 2.0.44 Version Details Vulnerabilities
63 Application Apache Http Server 2.0.45 Version Details Vulnerabilities
64 Application Apache Http Server 2.0.46 Version Details Vulnerabilities
65 Application Apache Http Server 2.0.47 Version Details Vulnerabilities
66 Application Apache Http Server 2.0.48 Version Details Vulnerabilities
67 Application Apache Http Server 2.0.49 Version Details Vulnerabilities
68 Application Apache Http Server 2.0.50 Version Details Vulnerabilities
69 Application Apache Http Server 2.0.51 Version Details Vulnerabilities
70 Application Apache Http Server 2.0.52 Version Details Vulnerabilities
71 Application Apache Http Server 2.0.53 Version Details Vulnerabilities
72 Application Apache Http Server 2.0.54 Version Details Vulnerabilities
73 Application Apache Http Server 2.0.55 Version Details Vulnerabilities
74 Application Apache Http Server 2.0.56 Version Details Vulnerabilities
75 Application Apache Http Server 2.0.57 Version Details Vulnerabilities
76 Application Apache Http Server 2.0.58 Version Details Vulnerabilities
77 Application Apache Http Server 2.0.59 Version Details Vulnerabilities
78 Application Apache Http Server 2.0.60 Version Details Vulnerabilities
79 Application Apache Http Server 2.0.61 Version Details Vulnerabilities
80 Application Apache Http Server 2.0.63 Version Details Vulnerabilities
81 Application Apache Http Server 2.0.64 Version Details Vulnerabilities
82 Application Apache Http Server 2.2.0 Version Details Vulnerabilities
83 Application Apache Http Server 2.2.1 Version Details Vulnerabilities
84 Application Apache Http Server 2.2.2 Version Details Vulnerabilities
85 Application Apache Http Server 2.2.3 Version Details Vulnerabilities
86 Application Apache Http Server 2.2.4 Version Details Vulnerabilities
87 Application Apache Http Server 2.2.6 Version Details Vulnerabilities
88 Application Apache Http Server 2.2.8 Version Details Vulnerabilities
89 Application Apache Http Server 2.2.9 Version Details Vulnerabilities
90 Application Apache Http Server 2.2.10 Version Details Vulnerabilities
91 Application Apache Http Server 2.2.11 Version Details Vulnerabilities
92 Application Apache Http Server 2.2.12 Version Details Vulnerabilities
93 Application Apache Http Server 2.2.13 Version Details Vulnerabilities
94 Application Apache Http Server 2.2.14 Version Details Vulnerabilities
95 Application Apache Http Server 2.2.15 Version Details Vulnerabilities
96 Application Apache Http Server 2.2.16 Version Details Vulnerabilities
97 Application Apache Http Server 2.2.18 Version Details Vulnerabilities
98 Application Apache Http Server 2.2.19 Version Details Vulnerabilities
99 Application Apache Http Server 2.2.20 Version Details Vulnerabilities
100 Application Apache Http Server 2.2.21 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apache Http Server 100

- References For CVE-2011-4317

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
HP SSRT100877
http://lists.opensuse.org/opensuse-updates/2013-02/msg00009.html
SUSE openSUSE-SU-2013:0243
http://kb.juniper.net/JSA10585 CONFIRM
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
APPLE APPLE-SA-2012-09-19-2
http://lists.opensuse.org/opensuse-updates/2013-02/msg00012.html
SUSE openSUSE-SU-2013:0248
http://rhn.redhat.com/errata/RHSA-2012-0128.html
REDHAT RHSA-2012:0128
http://marc.info/?l=bugtraq&m=134987041210674&w=2
HP SSRT100966
http://support.apple.com/kb/HT5501 CONFIRM
http://secunia.com/advisories/48551
SECUNIA 48551
http://thread.gmane.org/gmane.comp.apache.devel/46440 CONFIRM
http://www.mandriva.com/security/advisories?name=MDVSA-2012:003
MANDRIVA MDVSA-2012:003
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
MANDRIVA MDVSA-2013:150
http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html CONFIRM
http://www.securitytracker.com/id?1026353
SECTRACK 1026353
https://bugzilla.redhat.com/show_bug.cgi?id=756483 CONFIRM
https://community.qualys.com/blogs/securitylabs/2011/11/23/apache-reverse-proxy-bypass-issue

- Metasploit Modules Related To CVE-2011-4317

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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