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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
The dba_replace function in PHP 5.2.6 and 4.x allows context-dependent attackers to cause a denial of service (file truncation) via a key with the NULL byte. NOTE: this might only be a vulnerability in limited circumstances in which the attacker can modify or add database entries but does not have permissions to truncate the file.
This is not a security issue. A user with read and write access to a file can reasonably be expected to manipulate the contents of the file, including truncating it. Instead of using dba_replace(), a user could simply fopen() the file in write mode, which provides the same end-result.
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https://exchange.xforce.ibmcloud.com/vulnerabilities/47316 [No Types Assigned]
http://xforce.iss.net/xforce/xfdb/47316 [No Types Assigned]