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GHSA-5w2h-59j3-8x5w
No affected components available
Problem
Several settings in the Install Tool for configuring the path to system binaries were vulnerable to code execution. Exploiting this vulnerability requires an administrator-level backend user account with system maintainer permissions.
The corresponding change for this advisory involves enforcing the known disadvantages described in TYPO3-PSA-2020-002: Protecting Install Tool with Sudo Mode.
Solution
Update to TYPO3 versions 8.7.57 ELTS, 9.5.46 ELTS, 10.4.43 ELTS, 11.5.35 LTS, 12.4.11 LTS, 13.0.1 that fix the problem described.
Credits
Thanks to Rickmer Frier & Daniel Jonka who reported this issue and to TYPO3 core & security team member Benjamin Franzke who fixed the issue.
References
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs high-level or administrative 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. There is a high impact on the availability of the system.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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