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PMASA-2016-5

Announcement-ID: PMASA-2016-5

Date: 2016-01-24

Summary

Unsafe comparison of XSRF/CSRF token.

Description

The comparison of the XSRF/CSRF token parameter with the value saved in the session is vulnerable to timing attacks. Moreover, the comparison could be bypassed if the XSRF/CSRF token matches a particular pattern.

Severity

We consider this vulnerability to be serious.

Affected Versions

Versions 4.0.x (prior to 4.0.10.13), 4.4.x (prior to 4.4.15.3) and 4.5.x (prior to 4.5.4) are affected.

Solution

Upgrade to phpMyAdmin 4.0.10.13 or newer, 4.4.15.3 or newer, 4.5.4 or newer or apply patch listed below.

References

Thanks to Emanuel Bronshtein @e3amn2l for reporting this vulnerability.

Assigned CVE ids: CVE-2016-2041

CWE ids: CWE-661 CWE-208

Patches

The following commits have been made on the 4.0 branch to fix this issue:

The following commits have been made on the 4.4 branch to fix this issue:

The following commits have been made on the 4.5 branch to fix this issue:

More information

For further information and in case of questions, please contact the phpMyAdmin team. Our website is phpmyadmin.net.

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