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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
freebsdCNA
---
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CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 68%
VendorProductVersion
freebsdfreebsd
11.2
freebsdfreebsd
11.2:p2
freebsdfreebsd
11.2:p3
freebsdfreebsd
11.2:p4
freebsdfreebsd
11.2:p5
freebsdfreebsd
11.2:p6
freebsdfreebsd
11.2:p7
freebsdfreebsd
11.2:p9
freebsdfreebsd
11.2:rc3
freebsdfreebsd
12.0
freebsdfreebsd
12.0:p1
freebsdfreebsd
12.0:p3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://packetstormsecurity.com/files/152934/FreeBSD-Security-Advisory-FreeBSD-SA-19-06.pf.html
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
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