Description
Buffer underflow in the header function in PHP 5.2.0 allows context-dependent attackers to execute arbitrary code by passing an all-whitespace string to this function, which causes it to write '\0' characters in whitespace that precedes the string.
Remediation
References
Related Vulnerabilities
PHP Deserialization of Untrusted Data Vulnerability (CVE-2016-7124)
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WeBid Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2011-3815)
DWR Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2014-5325)
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