Improper input validation in Freebsd
CVE-2019-5598
In FreeBSD 11.3-PRERELEASE before r345378, 12.0-STABLE before r345377, 11.2-RELEASE before 11.2-RELEASE-p10, and 12.0-RELEASE before 12.0-RELEASE-p4, a bug in pf does not check if the outer ICMP or ICMP6 packet has the same destination IP as the source IP of the inner protocol packet allowing a maliciously crafted ICMP/ICMP6 packet could bypass the packet filter rules and be passed to a host that would otherwise be unavailable.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.033 (87.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Freebsd — versions 11.2, 12.0
- N/a Freebsd — versions FreeBSD 11.2 before 11.2-RELEASE-p10 and 12.0 before 12.0-RELEASE-p4
Weakness classification (CWE)
References
- secteam@freebsd.org (Patch, x_refsource_MISC, Vendor Advisory)
- secteam@freebsd.org (Third Party Advisory, x_refsource_MISC)
- secteam@freebsd.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
- secteam@freebsd.org (vdb-entry, x_refsource_BID)
- secteam@freebsd.org (x_refsource_CONFIRM)
- secteam@freebsd.org (x_refsource_MISC)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2019-5598?
- CVE-2019-5598 is a high-severity vulnerability in Freebsd, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-05-15.
- How severe is CVE-2019-5598?
- High severity. CVSS v3 base score is 7.5 out of 10.