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.
| Software | From | Fixed in |
|---|---|---|
| freebsd / freebsd | 11.2-p3 | 11.2-p3.x |
| freebsd / freebsd | 11.2-p4 | 11.2-p4.x |
| freebsd / freebsd | 11.2-p5 | 11.2-p5.x |
| freebsd / freebsd | 12.0-p1 | 12.0-p1.x |
| freebsd / freebsd | 11.2-p7 | 11.2-p7.x |
| freebsd / freebsd | 12.0 | 12.0.x |
| freebsd / freebsd | 11.2 | 11.2.x |
| freebsd / freebsd | 11.2-p2 | 11.2-p2.x |
| freebsd / freebsd | 11.2-p6 | 11.2-p6.x |
| freebsd / freebsd | 11.2-p9 | 11.2-p9.x |
| freebsd / freebsd | 12.0-p3 | 12.0-p3.x |
| freebsd / freebsd | 11.2-rc3 | 11.2-rc3.x |
- http://packetstormsecurity.com/files/152934/FreeBSD-Security-Advisory-FreeBSD-SA-19-06.pf.html
- http://seclists.org/fulldisclosure/2025/Apr/1
- http://www.securityfocus.com/bid/108395
- https://security.FreeBSD.org/advisories/FreeBSD-SA-19:06.pf.asc
- 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.html
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