CVE-2011-4317

httpd: uri scheme bypass of the reverse proxy vulnerability CVE-2011-3368 fix

Published Nov 30, 2011 CVSS 2.0 · 4.3 Medium EPSS 59.6% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DSA Debian DSA DSA-2405-1 apache2 security update
Ubuntu USN Ubuntu USN USN-1368-1 Apache HTTP Server vulnerabilities
References
Link Providers
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041 cve-icon cve-icon
http://kb.juniper.net/JSA10585 cve-icon cve-icon
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-updates/2013-02/msg00009.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-updates/2013-02/msg00012.html cve-icon cve-icon
http://marc.info/?l=bugtraq&m=133294460209056&w=2 cve-icon cve-icon
http://marc.info/?l=bugtraq&m=134987041210674&w=2 cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2012-0128.html cve-icon cve-icon
http://secunia.com/advisories/48551 cve-icon cve-icon
http://support.apple.com/kb/HT5501 cve-icon cve-icon
http://thread.gmane.org/gmane.comp.apache.devel/46440 cve-icon cve-icon
http://www.debian.org/security/2012/dsa-2405 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDVSA-2012:003 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 cve-icon cve-icon
http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html cve-icon cve-icon
http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html cve-icon cve-icon
http://www.securitytracker.com/id?1026353 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=756483 cve-icon cve-icon
https://community.qualys.com/blogs/securitylabs/2011/11/23/apache-reverse-proxy-bypass-issue cve-icon cve-icon cve-icon
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r05b5357d1f6bd106f41541ee7d87aafe3f5ea4dc3e9bde5ce09baff8%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r1d201e3da31a2c8aa870c8314623caef7debd74a13d0f25205e26f15%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9b4b963760a3cb5a4a70c902f325c6c0337fe51d5b8570416f8f8729%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2011-4317 cve-icon
https://www.cve.org/CVERecord?id=CVE-2011-4317 cve-icon
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 7, 2024, 12:01 AM
Reserved
Nov 4, 2011, 12:00 AM
Status
Modified
Published
Nov 30, 2011, 4:05 AM
Modified
Jun 16, 2026, 11:34 PM
Severity
Moderate
Public date
Nov 23, 2011, 12:00 AM