Input validation error in FreeBSD - CVE-2019-15880
Published: May 13, 2020
Vulnerability identifier: #VU27863
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-15880
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: FreeBSD Foundation
Affected software:
FreeBSD
FreeBSD
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied MAC key length in cryptodev module. A local user can pass an overly long MAC key and cause kernel panic.
How to mitigate CVE-2019-15880
Install updates from vendor's website.