Integer underflow in 7-Zip - CVE-2024-11477
Published: November 21, 2024 / Updated: November 29, 2024
Vulnerability identifier: #VU100758
CSH Severity: High
CVSS v4: 8.4 [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]
CVE-ID: CVE-2024-11477
CWE-ID: CWE-191
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
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.
Affected software
7-Zip
MELSOFT Update Manager SW1DND-UDM-M
Chrome OS
MELSOFT Update Manager SW1DND-UDM-M
Chrome OS
How to mitigate CVE-2024-11477
Install updates from vendor's website.
7-Zip - update to 24.07
MELSOFT Update Manager SW1DND-UDM-M - update to 1.013P
Chrome OS - update to 126.0.6478.270
MELSOFT Update Manager SW1DND-UDM-M - update to 1.013P
Chrome OS - update to 126.0.6478.270