GHSA-chh6-ppwq-jh92 Improper Preservation of Permissions in etcd

• Go github.com/etcd-io/etcd: >= 3.4.0-rc.0, < 3.4.10 → fixed in 3.4.10 • Go github.com/etcd-io/etcd: < 3.3.23 → fixed in 3.3.23

Vulnerability type Access Controls Detail etcd creates certain directory paths (etcd data directory and the directory path when provided to automatically generate self-signed certificates for TLS connections with clients) with restricted access permissions (700) by using the os.MkdirAll. This function does not perform any permission checks when a given directory path exists already. Specific Go Package Affected github.com/etcd-io/etcd/pkg/fileutil Workarounds Make sure these directories have the desired permit (700). References Find out more on this vulnerability in the security audit report For more information If you have any questions or comments about this advisory: • Contact the etcd security committee