Integer underflow in 7-Zip - CVE-2023-31102
Published: August 25, 2023
Vulnerability identifier: #VU80003
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-2023-31102
CWE-ID: CWE-191
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer underflow when parsing 7Z files. A remote attacker can trick the victim to open 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
Dell EMC VxRail Appliance
APEX Cloud Platform for Microsoft Azure
Wyse Device Agent
AADvance Trusted SIS Workstation
Dell EMC VxRail Appliance
APEX Cloud Platform for Microsoft Azure
Wyse Device Agent
AADvance Trusted SIS Workstation
How to mitigate CVE-2023-31102
Install updates from vendor's website.
7-Zip - update to 23.00
Dell EMC VxRail Appliance - update to 7.0.540
APEX Cloud Platform for Microsoft Azure - update to 01.03.00.00
AADvance Trusted SIS Workstation - update to 2.00.02
Wyse Device Agent - update to 14.6.10.18
Dell EMC VxRail Appliance - update to 7.0.540
APEX Cloud Platform for Microsoft Azure - update to 01.03.00.00
AADvance Trusted SIS Workstation - update to 2.00.02
Wyse Device Agent - update to 14.6.10.18