CVE-2018-6923

high-risk
Published 2018-09-04

In FreeBSD before 11.1-STABLE, 11.2-RELEASE-p2, 11.1-RELEASE-p13, ip fragment reassembly code is vulnerable to a denial of service due to excessive system resource consumption. This issue can allow a remote attacker who is able to send an arbitrary ip fragments to cause the machine to consume excessive resources.

Do I need to act?

~
1.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Freebsd

References (6)

Third Party Advisory http://www.securityfocus.com/bid/105336
Third Party Advisory http://www.securitytracker.com/id/1041505
Mitigation https://www.freebsd.org/security/advisories/FreeBSD-SA-18:10.ip.asc
Third Party Advisory http://www.securityfocus.com/bid/105336
Third Party Advisory http://www.securitytracker.com/id/1041505
Mitigation https://www.freebsd.org/security/advisories/FreeBSD-SA-18:10.ip.asc
55
/ 100
high-risk
Severity 26/34 · High
Exploitability 5/34 · Minimal
Exposure 24/34 · High