Stack-based buffer overflow in Apex One - CVE-2021-42012
Published: October 14, 2021 / Updated: October 19, 2021
Vulnerability identifier: #VU57371
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-42012
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error. A local user can run a specially crafted program to trigger a stack-based buffer overflow and execute arbitrary code with elevated privileges.
Affected software
Apex One
Worry-Free Business Security
Worry-Free Business Security
How to mitigate CVE-2021-42012
Install updates from vendor's website.
Apex One - update to CP 9645
Worry-Free Business Security - update to 10 SP1 Patch 2342
Worry-Free Business Security - update to 10 SP1 Patch 2342