5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
7.4 High
AI Score
Confidence
High
0.031 Low
EPSS
Percentile
91.0%
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.
CPE | Name | Operator | Version |
---|---|---|---|
freebsd:freebsd | freebsd | eq | 11.2 |
freebsd:freebsd | freebsd | eq | 12.0 |
[
{
"product": "FreeBSD",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "FreeBSD 11.2 before 11.2-RELEASE-p10 and 12.0 before 12.0-RELEASE-p4"
}
]
}
]
packetstormsecurity.com/files/152934/FreeBSD-Security-Advisory-FreeBSD-SA-19-06.pf.html
www.securityfocus.com/bid/108395
security.FreeBSD.org/advisories/FreeBSD-SA-19:06.pf.asc
security.netapp.com/advisory/ntap-20190611-0001/
www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
www.synacktiv.com/posts/systems/icmp-reachable.html
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
7.4 High
AI Score
Confidence
High
0.031 Low
EPSS
Percentile
91.0%