Input validation error in OpenBSD - CVE-2016-6240
Published: March 7, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU39566
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2016-6240
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: OpenBSD
Affected software:
OpenBSD
OpenBSD
Detailed vulnerability description
The vulnerability allows a local authenticated user to execute arbitrary code.
Integer truncation error in the amap_alloc function in OpenBSD 5.8 and 5.9 allows local users to execute arbitrary code with kernel privileges via a large size value.
How to mitigate CVE-2016-6240
Install update from vendor's website.