Improper Verification of Cryptographic Signature in Cosign - CVE-2022-36056
Published: October 4, 2022
Vulnerability identifier: #VU67910
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-36056
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Sigstore
Affected software:
Cosign
Cosign
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper verification of signature when processing artifacts. A remote attacker can supply a specially crafted artifact and bypass the implemented blob verification process.
How to mitigate CVE-2022-36056
Install updates from vendor's website.