SB2022041901 - Remote code execution in 7-Zip

Description

This security bulletin contains information about 1 security vulnerability.

1) Heap-based buffer overflow (CVE-ID: CVE-2022-29072)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when a file with .7z extension is dragged to the Help>Contents area. A remote attacker can trick the victim to download and drag a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system under the  7zFM.exe process.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://sourceforge.net/p/sevenzip/bugs/2337/
• https://www.youtube.com/watch?v=sT1cvbu7ZTA
• https://github.com/kagancapar/CVE-2022-29072
• https://news.ycombinator.com/item?id=31070256