notaryproject/notation · Security

Notation's default `maxSignatureAttempts` in `notation verify` enables an endless data attack

GHSA ID
GHSA-rvrx-rrwh-r9p6
CVE ID
CVE-2023-33958
Severity
medium
Published
Updated
CVSS
6.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v3
6.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

Impact

An attacker who controls or compromises a registry can make the registry serve an infinite number of signatures for the artifact, causing a denial of service to the host machine running notation verify.

Patches

The problem has been fixed in the release v1.0.0-rc.6. Users should upgrade their notation packages to v1.0.0-rc.6 or above.

Workarounds

User should use secure and trusted container registries

Credits

The notation project would like to thank Adam Korczynski (@AdamKorcz) for responsibly disclosing the issue found during an security audit (facilitated by OSTIF and sponsored by CNCF) and Shiwei Zhang (@shizhMSFT) for root cause analysis.

CWEs

References