Buffer overflow in 7-Zip
CVE-2022-29072
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
Vulnerability class: Buffer Overflow
EPSS: 0.015 (72.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- 7-zip
- Microsoft Windows
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (x_refsource_MISC, Broken Link)
Frequently asked questions
- What is CVE-2022-29072?
- CVE-2022-29072 is a high-severity vulnerability in 7-Zip, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-04-15.
- How severe is CVE-2022-29072?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-29072 known to be exploited?
- 44 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.