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HistoryMar 03, 2023 - 10:15 p.m.
CVE-2023-27567
openbsd
7.2
tcp
packet
crash
pf
divert-to
rule
kernel
vulnerability
nvd
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
40.7%
In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel.
Affected configurations
Node
openbsdopenbsdMatch7.2
| CPE | Name | Operator | Version |
|---|---|---|---|
| openbsd:openbsd | openbsd | eq | 7.2 |
Related
prion
prion
Code injection
2023-03-03 22:15:00
cvelist
cvelist
CVE-2023-27567
2023-03-03 00:00:00
nvd
nvd
CVE-2023-27567
2023-03-03 22:15:10
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
40.7%
Related for CVE-2023-27567