Vulnerability Details : 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 category: Input validation
Products affected by CVE-2019-5598
- cpe:2.3:o:freebsd:freebsd:11.2:p4:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.2:p5:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.2:-:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.2:p6:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.2:p2:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.2:p3:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.0:p1:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.0:p3:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.2:p7:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.2:p9:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.2:rc3:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-5598
2.37%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-5598
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2019-5598
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-5598
-
https://security.netapp.com/advisory/ntap-20190611-0001/
May 2019 FreeBSD Vulnerabilities in NetApp Products | NetApp Product Security
-
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
Oracle Critical Patch Update - July 2019
-
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:06.pf.asc
Patch;Vendor Advisory
-
https://www.synacktiv.com/posts/systems/icmp-reachable.html
icmp-reachableThird Party Advisory
-
http://www.securityfocus.com/bid/108395
FreeBSD Multiple Security Bypass Vulnerabilities
-
http://packetstormsecurity.com/files/152934/FreeBSD-Security-Advisory-FreeBSD-SA-19-06.pf.html
FreeBSD Security Advisory - FreeBSD-SA-19:06.pf ≈ Packet StormThird Party Advisory;VDB Entry
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