| Package | Affected versions | Patched versions |
|---|---|---|
| github.com/cilium/cilium | ≥ 1.17.0, < 1.17.10≥ 1.18.0, < 1.18.4< 1.16.17 | 1.17.101.18.41.16.17 |
| cilium | ≥ 1.17.0, < 1.17.10≥ 1.18.0, < 1.18.4< 1.16.17 | 1.17.101.18.41.16.17 |
CiliumNetworkPolicys which use egress.toGroups.aws.securityGroupsIds to reference AWS security group IDs that do not exist or are not attached to any network interface may unintentionally allow broader outbound access than intended by the policy authors. In such cases, the toCIDRset section of the derived policy is not generated, which means outbound traffic may be permitted to more destinations than originally intended.
This issue has been patched in:
There is no workaround to this issue.
The Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @SeanEmac for reporting this issue and to @fristonio for the patch.
If you think you have found a vulnerability affecting Cilium, we strongly encourage you to report it to our security mailing list at [email protected]. This is a private mailing list for the Cilium security team, and your report will be treated as top priority.
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