Improper input validation in Apache HTTP Server
CVE-2011-3368
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.907 (99.8th percentile) — read the EPSS interpretation.
Affected products
- Apache Http_server — versions 1.3, 1.3.0, 1.3.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Exploit, Patch)
- secalert@redhat.com (x_refsource_CONFIRM, Patch)
- secalert@redhat.com (x_refsource_HP, vendor-advisory)
- secalert@redhat.com (x_refsource_MISC)
- secalert@redhat.com (mailing-list, x_refsource_FULLDISC)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (vendor-advisory, x_refsource_AIXAPAR)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_SECUNIA, third-party-advisory)
- secalert@redhat.com (x_refsource_OSVDB, vdb-entry)
Frequently asked questions
- What is CVE-2011-3368?
- CVE-2011-3368 is a vulnerability in Apache HTTP Server, classified under Improper Input Validation. Published 2011-10-05.
- Is CVE-2011-3368 known to be exploited?
- 31 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.