GHSA-chh6-ppwq-jh92

Improper Preservation of Permissions in etcd

At a glance

Published
Updated
CVE
CVE-2020-15113
Aliases
BIT-etcd-2020-15113
CVSS_V3
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N

Description

### 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](https://github.com/etcd-io/etcd/blob/master/security/SECURITY_AUDIT.pdf) ### For more information If you have any questions or comments about this advisory: * Contact the [etcd security committee](https://github.com/etcd-io/etcd/blob/master/security/security-release-process.md#product-security-committee-psc)

Affected packages

PackageVersions
Go · github.com/etcd-io/etcdintroduced 3.4.0-rc.0, fixed 3.4.10
Go · github.com/etcd-io/etcdintroduced 0, fixed 3.3.23

References

Sources

SourceLicence
OSV.devCC-BY 4.0 — GitHub Advisory Database