CVSS3
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
AI Score
Confidence
Low
EPSS
Percentile
15.5%
In Cilium clusters with WireGuard enabled and traffic matching Layer 7 policies:
This issue affects:
routingMode=native
):
routingMode=tunnel
):
encryption.wireguard.encapsulate
is set to false
(default).This issue has been resolved in:
routingMode=native
):
routingMode=tunnel
):
encryption.wireguard.encapsulate
must be set to true
.There is no workaround to this issue.
The Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @brb, @giorio94, @gandro and @jschwinger233 for their work on triaging and remediating this issue.
If you have any questions or comments about this advisory, please reach out on Slack.
If you think you found a related vulnerability, we strongly encourage you to report security vulnerabilities to our private security mailing list at [email protected]. This is a private mailing list where only members of the Cilium internal security team are subscribed to, and your report will be treated as top priority.
CVSS3
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
AI Score
Confidence
Low
EPSS
Percentile
15.5%