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GHSA-xg9x-h37w-h3r3
ezsystems/ezpublish-legacyNB: All tags and branches in this repository are past their end of life, so the vulnerability will not be fixed. The advisory is posted on the request of the researcher, for the information of anyone who might still use this software.
Impact
There is a security vulnerability in eZ Publish Legacy, affecting the dfscleanup.php script and the _getFileList function of the eZDFSFileHandlerMySQLiBackend class (kernel/private/classes/clusterfilehandlers/dfsbackends/mysqli.php). The vulnerability allows an attacker with local shell access and sufficient privileges to run dfscleanup.php to perform a union-based SQL injection against the eZ Publish MySQL database, potentially exposing sensitive data such as user credentials.
It is known to affect the branch 2019.03, and it may well affect other branches.
Credit
The issue was found and reported by security auditor Timothé Ridel from Advens: https://www.advens.com/
Patches
None, the software is past its end of life.
Workarounds
None.
Resources
- Report by Advens: https://github.com/Goaterino/ezpublish-legacy-lab/blob/main/SQL%20injection%20and%20arbitrary%20file%20deletion%20in%20dfscleanup.md
The vulnerability requires local access to the device to be exploited. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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