CVE-2011-3639

CVSS V2 Medium 4.3 CVSS V3 None
Description
The mod_proxy module in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x before 2.2.18, 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 by using the HTTP/0.9 protocol with a malformed URI containing an initial @ (at sign) character. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-3368.
Overview
  • CVE ID
  • CVE-2011-3639
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2011-11-30T04:05:58
  • Last Modified Date
  • 2023-02-13T04:32:40
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:apache:http_server:2.0.11:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.12:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.13:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.14:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.15:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.16:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.17:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.18:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.19:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.20:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.21:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.22:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.23:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.24:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.25:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.26:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.27:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.28:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.29:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.30:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.32:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.33:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.34:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.35:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.36:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.37:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.38:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.39:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.40:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.41:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.42:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.43:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.44:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.45:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.46:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.47:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.48:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.49:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.50:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.51:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.52:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.53:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.54:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.55:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.56:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.57:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.58:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.59:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.61:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.0.63:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.8:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.9:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.11:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.12:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.13:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.14:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.15:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.16:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server:2.2.17:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server2.0a1:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server2.0a2:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server2.0a3:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server2.0a4:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server2.0a5:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server2.0a6:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server2.0a7:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server2.0a8:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:http_server2.0a9:*:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
References
Reference URL Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=752080
http://svn.apache.org/viewvc?view=revision&revision=1188745
http://rhn.redhat.com/errata/RHSA-2012-0128.html
http://www.debian.org/security/2012/dsa-2405
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2011-3639
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3639
History
Created Old Value New Value Data Type Notes
2022-05-10 18:54:17 Added to TrackCVE
2023-02-13 05:04:36 2023-02-13T04:32:40 CVE Modified Date updated
2023-02-13 05:04:36 The mod_proxy module in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x before 2.2.18, 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 by using the HTTP/0.9 protocol with a malformed URI containing an initial @ (at sign) character. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-3368. The mod_proxy module in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x before 2.2.18, 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 by using the HTTP/0.9 protocol with a malformed URI containing an initial @ (at sign) character. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-3368. Description updated