OSVDB ID: 32780 Title: PHP substr_compare() Function Arbitrary Memory Disclosure |
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Description |
An information leak vulnerability exists in PHP. An integer overflow which occurs while performing sanity checks on the input parameters to the substr_compare() function makes it possible to compare offsets outside of the allocated buffer. This allows memory access outside the buffer and the retrieval of sensitive information, leading to a loss of confidentiality. |
Classification |
Location:
Remote / Network Access
Attack Type: Information Disclosure Impact: Loss of Confidentiality Exploit: Exploit Public Disclosure: OSVDB Verified, Vendor Verified OSVDB: Concern |
Solution |
Upgrade to version 5.2.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds. |
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References |
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Credit |
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hardened-php.net - www.hardened-php.net