Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | 11.2 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/152934/FreeBSD-Security-Advisory-FreeBSD-SAThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/108395
- https://security.FreeBSD.org/advisories/FreeBSD-SA-19:06.pf.ascPatchVendor Advisory
- https://security.netapp.com/advisory/ntap-20190611-0001/
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- https://www.synacktiv.com/posts/systems/icmp-reachable.htmlThird Party Advisory
- http://packetstormsecurity.com/files/152934/FreeBSD-Security-Advisory-FreeBSD-SAThird Party AdvisoryVDB Entry
- http://seclists.org/fulldisclosure/2025/Apr/1
- http://www.securityfocus.com/bid/108395
- https://security.FreeBSD.org/advisories/FreeBSD-SA-19:06.pf.ascPatchVendor Advisory
- https://security.netapp.com/advisory/ntap-20190611-0001/
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- https://www.synacktiv.com/posts/systems/icmp-reachable.htmlThird Party Advisory
FAQ
What is CVE-2019-5598?
CVE-2019-5598 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 IC...
How severe is CVE-2019-5598?
CVE-2019-5598 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-5598?
Check the references section above for vendor advisories and patch information. Affected products include: Freebsd Freebsd.