THREATPORT/VULNERABILITY/CVE-2018-17161
CRITICAL SEVERITY

CVE-2018-17161

Freebsd vulnerability

CVSS
9.8
EPSS
3.5%
EPSS pct
88th
Exploited
No known
In FreeBSD before 11.2-STABLE(r348229), 11.2-RELEASE-p7, 12.0-STABLE(r342228), and 12.0-RELEASE-p1, insufficient validation of network-provided data in bootpd may make it possible for a malicious attacker to craft a bootp packet which could cause a stack buffer overflow. It is possible that the buffer overflow could lead to a Denial of Service or remote code execution.
Affected vendor
Freebsd
Affected product
Freebsd
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2019-01-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2018-17161

  • Confirm whether Freebsd Freebsd is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-17161.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-17161

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-17161 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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