Input validation error in FreeBSD - CVE-2012-3549
Published: October 10, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43407
CSH Severity: Medium
CVSS v4.0: 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/E:P/U:Green
CVE-ID: CVE-2012-3549
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: FreeBSD Foundation
Affected software:
FreeBSD
FreeBSD
Detailed vulnerability description
The vulnerability allows remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and kernel panic) via a crafted ASCONF chunk.
How to mitigate CVE-2012-3549
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.