Integer overflow in OpenBSD - CVE-2016-6241

 

Integer overflow in OpenBSD - CVE-2016-6241

Published: March 7, 2017 / Updated: August 8, 2020


Vulnerability identifier: #VU39567
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-2016-6241
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: OpenBSD
Affected software:
OpenBSD

Detailed vulnerability description

The vulnerability allows a local authenticated user to execute arbitrary code.

Integer overflow in the amap_alloc1 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-2016-6241

Install update from vendor's website.

Sources