Vulnerabilities > CVE-2022-29072 - Out-of-bounds Write vulnerability in 7-Zip
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
7-Zip through 21.07 on Windows allows privilege escalation and command execution when a file with the .7z extension is dragged to the Help>Contents area. This is caused by misconfiguration of 7z.dll and a heap overflow. The command runs in a child process under the 7zFM.exe process. NOTE: multiple third parties have reported that no privilege escalation can occur
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- http://packetstormsecurity.com/files/166763/7-Zip-21.07-Code-Execution-Privilege-Escalation.html
- http://packetstormsecurity.com/files/166763/7-Zip-21.07-Code-Execution-Privilege-Escalation.html
- https://github.com/kagancapar/CVE-2022-29072
- https://github.com/kagancapar/CVE-2022-29072
- https://news.ycombinator.com/item?id=31070256
- https://news.ycombinator.com/item?id=31070256
- https://sourceforge.net/p/sevenzip/bugs/2337/
- https://sourceforge.net/p/sevenzip/bugs/2337/
- https://www.youtube.com/watch?v=sT1cvbu7ZTA
- https://www.youtube.com/watch?v=sT1cvbu7ZTA