Vulnerability identifier: #VU43407
Vulnerability risk: Medium
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:U/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
FreeBSD
Operating systems & Components /
Operating system
Vendor: FreeBSD Foundation
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.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
FreeBSD: 8.2
External links
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686962
http://www.exploit-db.com/exploits/20226
http://www.openwall.com/lists/oss-security/2012/08/28/9
http://www.openwall.com/lists/oss-security/2012/08/29/6
http://www.securityfocus.com/bid/54797
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.