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CVE-2006-7243

MEDIUM severity · CVSS 5 · Improper input validation
5CVSS MEDIUM

Summary

PHP before 5.3.4 accepts the \0 character in a pathname, which might allow context-dependent attackers to bypass intended access restrictions by placing a safe file extension after this character, as demonstrated by .php\0.jpg at the end of the argument to the file_exists function.

Impact & exploitability

Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impact—
Availability impactNone
Exploit probability (EPSS)5%

AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected products we track (1)

PHP

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: http://bugs.php.net/39863 ↗