UBUNTU-CVE-2014-9427

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UBUNTU-CVE-2014-9427

Summary:

Details: sapi/cgi/cgi_main.c in the CGI component in PHP through 5.4.36, 5.5.x through 5.5.20, and 5.6.x through 5.6.4, when mmap is used to read a .php file, does not properly consider the mapping's length during processing of an invalid file that begins with a # character and lacks a newline character, which causes an out-of-bounds read and might (1) allow remote attackers to obtain sensitive information from php-cgi process memory by leveraging the ability to upload a .php file or (2) trigger unexpected code execution if a valid PHP script is present in memory locations adjacent to the mapping.

References: https://ubuntu.com/security/CVE-2014-9427, http://openwall.com/lists/oss-security/2015/01/01/1, http://openwall.com/lists/oss-security/2014/12/31/6, https://ubuntu.com/security/notices/USN-2501-1, https://www.cve.org/CVERecord?id=CVE-2014-9427