CVE-2022-29072: High severity 7-zip vulnerability

Published Apr 15, 2022
·
Updated

DISPUTED 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.

Affected Software

4 affected components
7-Zip 7-Zip<=21.07
Microsoft Windows
All of the following
7-Zip 7-Zip<=21.07
Microsoft Windows

Event History

Apr 15, 2022
CVE Published
via MITRE·07:54 PM
Data Sourced
via MITRE·07:54 PM
Description
Disputed
08:15 PM
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is CVE-2022-29072?

CVE-2022-29072 is a vulnerability in 7-Zip through 21.07 on Windows that allows privilege escalation and command execution.

2

How does CVE-2022-29072 occur?

CVE-2022-29072 occurs when a file with the .7z extension is dragged to the Help>Contents area in 7-Zip due to misconfiguration of 7z.dll and a heap overflow.

3

What is the severity of CVE-2022-29072?

CVE-2022-29072 has a severity rating of 7.8, which is considered high.

4

Which software versions are affected by CVE-2022-29072?

7-Zip versions up to and including 21.07 on Windows are affected by CVE-2022-29072.

5

How can the vulnerability CVE-2022-29072 be fixed?

To fix CVE-2022-29072, it is recommended to update to a version of 7-Zip that is higher than 21.07 when available.

Contact

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