Input validation error in Cosign - CVE-2023-46737

Vulnerability identifier: #VU82940

CSH Severity: Low

CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-46737

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can perform a denial of service (DoS) attack from attacker controlled registry.

Cosign
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
Basesystem Module
openSUSE Leap
cosign
cosign-debuginfo

Install updates from vendor's website.

Cosign - update to 2.2.1
cosign - update to 2.2.1-150400.3.14.1
cosign-debuginfo - update to 2.2.1-150400.3.14.1

• https://github.com/sigstore/cosign/security/advisories/GHSA-vfp6-jrw2-99g9
• https://github.com/sigstore/cosign/commit/8ac891ff0e29ddc67965423bee8f826219c6eb0f

• Denial of service in Cosign
• SUSE update for cosign