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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.
PHP 4 before 4.4.5 and PHP 5 before 5.2.1, when using an empty session save path (session.save_path), uses the TMPDIR default after checking the restrictions, which allows local users to bypass open_basedir restrictions.
View Analysis Description
Access Vector (AV):
Access Complexity (AC):
Provides unauthorized accessAllows unauthorized disclosure of informationAllows disruption of service
The PHP interpreter does not offer a reliable "sandboxed" security
layer (as found in, say, a JVM) in which untrusted scripts can be run;
any script run by the PHP interpreter must be trusted with the
privileges of the interpreter itself. We therefore do not classify
this issue as security-sensitive since no trust boundary is crossed.
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https://exchange.xforce.ibmcloud.com/vulnerabilities/33550 [No Types Assigned]
http://xforce.iss.net/xforce/xfdb/33550 [No Types Assigned]