VULNERABILITY INTELLIGENCE
CVE-2018-17156
CVSS score5.9 MEDIUM
EPSS probability1.63%
CISA KEVNot currently listed
Published2018-11-28
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
In FreeBSD before 11.2-STABLE(r340268) and 11.2-RELEASE-p5, due to incorrectly accounting for padding on 64-bit platforms, a buffer underwrite could occur when constructing an ICMP reply packet when using a non-standard value for the net.inet.icmp.quotelen sysctl.
Weakness classification
- CWE-787: Out-of-bounds Write
Primary references
- secteam@freebsd.org — Third Party Advisory, VDB Entry
- secteam@freebsd.org — Exploit, Mitigation, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mitigation, Vendor Advisory