Vulnerability identifier: #VU67910
Vulnerability risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-347
Exploitation vector: Network
Exploit availability: No
Vendor: Sigstore
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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Cosign: 0.1.0 - 1.11.1
External links
http://github.com/sigstore/cosign/commit/80b79ed8b4d28ccbce3d279fd273606b5cddcc25
http://github.com/sigstore/cosign/security/advisories/GHSA-8gw7-4j42-w388
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.