National Cyber Awareness System
Vulnerability Summary for CVE-2011-1398
Original release date:08/30/2012
Last revised:04/19/2013
Source:
US-CERT/NIST
Overview
The sapi_header_op function in main/SAPI.c in PHP before 5.3.11 and 5.4.x before 5.4.0RC2 does not check for %0D sequences (aka carriage return characters), which allows remote attackers to bypass an HTTP response-splitting protection mechanism via a crafted URL, related to improper interaction between the PHP header function and certain browsers, as demonstrated by Internet Explorer and Google Chrome.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.
External Source: CONFIRM
Name: https://bugs.php.net/bug.php?id=60227
External Source: UBUNTU
Name: USN-1569-1
External Source: SECTRACK
Name: 1027463
External Source: CONFIRM
Name: http://security-tracker.debian.org/tracker/CVE-2011-1398
External Source: MLIST
Name: [oss-security] 20120905 Re: php header() header injection detection bypass
External Source: MLIST
Name: [oss-security] 20120829 php header() header injection detection bypass
External Source: MLIST
Name: [internals] 20120203 [PHP-DEV] The case of HTTP response splitting protection in PHP
