PT-2018-17823 · Freebsd · Freebsd

Published 2018-08-14 · Updated 2018-11-13 · CVE-2018-6923

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions FreeBSD versions prior to 11.1-STABLE FreeBSD versions prior to 11.2-RELEASE-p2 FreeBSD versions prior to 11.1-RELEASE-p13

Description The issue affects the ip fragment reassembly code, allowing a remote attacker to cause excessive system resource consumption, leading to a denial of service. This can be achieved by sending arbitrary ip fragments.

Recommendations For versions prior to 11.1-STABLE, update to 11.1-STABLE or later. For versions prior to 11.2-RELEASE-p2, update to 11.2-RELEASE-p2 or later. For versions prior to 11.1-RELEASE-p13, update to 11.1-RELEASE-p13 or later.

Fix

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2018-6923

FREEBSD-SA-18_10

Affected Products

Freebsd

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2018-6923 · Security Note
• https://freebsd.org/security/advisories/FreeBSD-SA-18:10.ip.asc · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-6923 · Vendor Advisory
• http://securityfocus.com/bid/105336 · Note
• http://securitytracker.com/id/1041505 · Note