OSVDB ID: 85086 Title: PHP main/SAPI.c sapi_header_op Function %0D Sequence Handling HTTP Response Splitting Protection Bypass |
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Description |
PHP contains a flaw that allows an attacker to bypass protection against HTTP response splitting attacks. This flaw exists because the sapi_header_op function in main/SAPI.c does not properly handle %0D sequences. This may allow an attacker to bypass protection against the insertion of arbitrary HTTP headers, which are included in a response sent to the server. If an application does not properly filter such a request, it could be used to inject additional headers that manipulate cookies, authentication status, or more. |
Classification |
Location:
Remote / Network Access
Attack Type: Input Manipulation Impact: Loss of Integrity Solution: Upgrade Exploit: Exploit Unknown Disclosure: Vendor Verified OSVDB: Web Related |
Solution |
Upgrade to version 5.3.11 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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Credit |
Unknown or Incomplete |