CVE-2018-17156 is a buffer underwrite vulnerability affecting FreeBSD versions before 11.2-STABLE(r340268) and 11.2-RELEASE-p5. This flaw occurs on 64-bit platforms when constructing an ICMP reply packet with a non-standard net.inet.icmp.quotelen sysctl value, leading to incorrect padding accounting. Rated Medium severity (CVSS 5.9), it is a network-exploitable vulnerability with high attack complexity and potential for high availability impact, but no confidentiality or integrity impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 11.2CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* | ||
11.2CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:11.2:p5:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.