What is CVE-2018-17161?

CVE-2018-17161 is a critical-severity vulnerability in Freebsd, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2019-01-03.

How severe is CVE-2018-17161?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Freebsd

CVE-2018-17161

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.

Vulnerability class: Buffer Overflow

EPSS: 0.035 (88.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Freebsd — versions 12.0, FreeBSD 11.2 before 11.2-RELEASE-p7 and 12.0 before 12.0-RELEASE-p1, 11.2

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

secteam@freebsd.org (x_refsource_FREEBSD, vendor-advisory, Patch, Third Party Advisory)
secteam@freebsd.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2018-17161?: CVE-2018-17161 is a critical-severity vulnerability in Freebsd, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2019-01-03.
How severe is CVE-2018-17161?: Critical severity. CVSS v3 base score is 9.8 out of 10.