CVE-2023-40481

Public on 2023-08-31
Modified on 2024-01-18
Description
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.
Severity
Important severity
Important
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Graphicsmagick1.3 Extra p7zip Not Affected
Amazon Linux 2023 p7zip Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H