CVE-2023-40481
7-Zip SquashFS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
HIGH 7.8EPSS 13.9%
7-Zip SquashFS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.The specific flaw exists within the parsing of SQFS files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18589.
- Affected
- 7-Zip
- CVSS v3.0 TRENDMICRO
- 7.8 HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS
- 13.95% chance of exploitation in the next 30 days, 97th percentile
- Published
- 2024-05-03
- Updated
- 2024-08-02
Proof-of-concept exploits (1)
- immortalp0ny/mypocs15★ · 2024-09-06
Security advisories
- https://www.zerodayinitiative.com/advisories/ZDI-23-1164
- https://sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269