CVE-2021-43963: Exposure of Sensitive Information to an Unauthorized Actor

December 7, 2021 (updated December 9, 2021)

An issue was discovered in Couchbase Sync Gateway The bucket credentials used to read and write data in Couchbase Server were insecurely being stored in the metadata within sync documents written to the bucket. Users with read access could use these credentials to obtain write access. (This issue does not affect clusters where Sync Gateway is authenticated with X.509 client certificates. This issue also does not affect clusters where shared bucket access is not enabled on Sync Gateway.)

References

nvd.nist.gov/vuln/detail/CVE-2021-43963
www.couchbase.com/alerts

Code Behaviors & Features

Detect and mitigate CVE-2021-43963 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →