Buffer overflow in FreeBSD - CVE-2017-1084
Published: September 12, 2018 / Updated: July 20, 2020
Vulnerability identifier: #VU31215
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-1084
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
In FreeBSD before 11.2-RELEASE, multiple issues with the implementation of the stack guard-page reduce the protections afforded by the guard-page. This results in the possibility a poorly written process could be cause a stack overflow.
Affected software
FreeBSD
How to mitigate CVE-2017-1084
Install update from vendor's website.
FreeBSD - update to 11.2