Description
Incomplete string validation in AWS aws-nitro-enclaves-sdk-c before 0.4.6 may allow a third party to impersonate the AWS KMS endpoint.
To remediate this issue, users should rebuild any custom enclave image against aws-nitro-enclaves-sdk-c 0.4.6.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| AWS | aws-nitro-enclaves-sdk-c | < 0.4.6 | 0.4.6 |
References
- https://github.com/aws/aws-nitro-enclaves-sdk-c/releases/tag/v0.4.6 release-notes patch
- https://aws.amazon.com/security/security-bulletins/2026-157-aws/ vendor-advisory
- https://github.com/aws/aws-nitro-enclaves-sdk-c/security/advisories/GHSA-f6f6-6f88-r57j third-party-advisory