Resource exhaustion in Cosign - CVE-2024-29903

Vulnerability identifier: #VU89208

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-29903

CWE-ID: CWE-400

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 application does not properly control consumption of internal resources. A remote attacker can pass a specially crafted artifact to the application, trigger resource exhaustion and perform a denial of service (DoS) attack.

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
Basesystem Module
openSUSE Leap
cosign-debuginfo
cosign
Red Hat Advanced Cluster Security for Kubernetes

Install updates from vendor's website.

Cosign - update to 2.2.4
cosign-debuginfo - update to 2.2.4-150400.3.20.1
cosign - update to 2.2.4-150400.3.20.1
Red Hat Advanced Cluster Security for Kubernetes - update to 4.5.0

• https://github.com/sigstore/cosign/security/advisories/GHSA-95pr-fxf5-86gv
• https://github.com/sigstore/cosign/commit/629f5f8fa672973503edde75f84dcd984637629e
• https://github.com/sigstore/cosign/blob/14795db16417579fac0c00c11e166868d7976b61/pkg/cosign/verify.go#L948-L955
• https://github.com/sigstore/cosign/blob/286a98a4a99c1b2f32f84b0d560e324100312280/pkg/oci/remote/signatures.go#L56-L70
• https://github.com/sigstore/cosign/releases/tag/v2.2.4

• Multiple vulnerabilities in Sigstore Cosign
• SUSE update for cosign
• SUSE update for cosign
• Multiple vulnerabilities in Red Hat Advanced Cluster Security for Kubernetes 4.5.0