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…
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EPSS puts the probability of exploitation in the next 30 days at 90.7%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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 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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
- EPSS
- 90.73% probability · 100th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- apache/http server
- Source
- secalert@redhat.com
References
- http://kb.juniper.net/JSA10585
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00011.html
- http://lists.opensuse.org/opensuse-updates/2013-02/msg00009.html
- http://lists.opensuse.org/opensuse-updates/2013-02/msg00012.html
- http://marc.info/?l=bugtraq&m=133294460209056&w=2
- http://marc.info/?l=bugtraq&m=134987041210674&w=2
- http://osvdb.org/76079
- http://rhn.redhat.com/errata/RHSA-2012-0542.html
- http://rhn.redhat.com/errata/RHSA-2012-0543.html
- http://seclists.org/fulldisclosure/2011/Oct/232
- http://seclists.org/fulldisclosure/2011/Oct/273
- http://secunia.com/advisories/46288
- http://secunia.com/advisories/46414
- http://secunia.com/advisories/48551
- http://support.apple.com/kb/HT5501
- http://svn.apache.org/viewvc?view=revision&revision=1179239Patch
- http://web.archiveorange.com/archive/v/ZyS0hzECD5zzb2NkvQltExploit, Patch
- http://www-01.ibm.com/support/docview.wss?uid=nas2064c7e5f53452ff686257927003c8d42
- http://www-01.ibm.com/support/docview.wss?uid=nas2b7c57b1f1035675186257927003c8d48
- http://www.contextis.com/research/blog/reverseproxybypass/
- http://www.debian.org/security/2012/dsa-2405
- http://www.exploit-db.com/exploits/17969
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:144
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
- http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
- http://www.redhat.com/support/errata/RHSA-2011-1391.html
- http://www.redhat.com/support/errata/RHSA-2011-1392.html
- http://www.securityfocus.com/bid/49957
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.