CVE-2014-9427
HighSummary
In the CGI component in PHP, through version 5.4.36, 5.5.x through 5.5.20, and 5.6.x through 5.6.4, there is a vulnerability related to improper consideration of the mapping's length when processing an invalid .php file, leading to out-of-bounds read.
Risk Assessment
Remote attackers may obtain sensitive information from php-cgi process memory or trigger unexpected code execution if valid PHP scripts are present in adjacent memory locations.
Recommendation
It is recommended to update PHP to the latest version to mitigate this vulnerability and to monitor and restrict the ability to upload .php files by users.
Other vulnerabilities in PHP CGI
See allOriginal NVD description (English source)
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.