sapi/cgi/cgi_main.c in PHP before 5.3.13 and 5.4.x before 5.4.3, when
configured as a CGI script (aka php-cgi), does not properly handle
query strings that contain a %3D sequence but no = (equals sign)
character, which allows remote attackers to execute arbitrary code by
placing command-line options in the query string, related to lack of
skipping a certain php_getopt for the 'd' case. NOTE: this
vulnerability exists because of an incomplete fix for CVE-2012-1823.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
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the CVE-ID was allocated or reserved, and does not
necessarily indicate when this vulnerability was
discovered, shared with the affected vendor, publicly
disclosed, or updated in CVE.
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