Integer underflow in 7-Zip - CVE-2024-11477

 

Integer underflow in 7-Zip - CVE-2024-11477

Published: November 21, 2024 / Updated: November 29, 2024


Vulnerability identifier: #VU100758
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2024-11477
CWE-ID: CWE-191
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: 7-zip.org
Affected software:
7-Zip

Detailed vulnerability description

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

The vulnerability exists due to integer underflow within the implementation of the Zstandard decompression. A remote attacker can trick the victim into opening a specially crafted archive, trigger an integer underflow and execute arbitrary code on the target system.

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


How to mitigate CVE-2024-11477

Install updates from vendor's website.

Sources