CVEvulnerability
CVE-2019-5598
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-05-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-20
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.
Affected configurations
• freebsd freebsd 11.2
• freebsd freebsd 12.0
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- http://packetstormsecurity.com/files/152934/FreeBSD-Security-Advisory-FreeBSD-SA-19-06.pf.html Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/108395 www.securityfocus.com
- https://security.FreeBSD.org/advisories/FreeBSD-SA-19:06.pf.asc Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20190611-0001/ security.netapp.com
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html www.oracle.com
- https://www.synacktiv.com/posts/systems/icmp-reachable.html Third Party Advisory
- http://packetstormsecurity.com/files/152934/FreeBSD-Security-Advisory-FreeBSD-SA-19-06.pf.html Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2025/Apr/1 seclists.org
- http://www.securityfocus.com/bid/108395 www.securityfocus.com
- https://security.FreeBSD.org/advisories/FreeBSD-SA-19:06.pf.asc Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20190611-0001/ security.netapp.com
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html www.oracle.com
- https://www.synacktiv.com/posts/systems/icmp-reachable.html Third Party Advisory