CVE-2024-29903: fallo de gravedad media en sigstore cosign
Cosign vulnerable to machine-wide denial of service via malicious artifacts
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 4.2epss 0.9%
Cosign provides code signing and transparency for containers and binaries. Prior to version 2.2.4, maliciously-crafted software artifacts can cause denial of service of the machine running Cosign thereby impacting all services on the machine. The root cause is that Cosign creates slices based on the number of signatures, manifests or attestations in untrusted artifacts. As such, the untrusted artifact can control the amount of memory that Cosign allocates. The exact issue is Cosign allocates excessive memory on the lines that creates a slice of the same length as the manifests. Version 2.2.4 contains a patch for the vulnerability.
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H
Productos afectados
sigstore · cosignCVEs relacionadas — sigstore cosign
En el mismo producto, de las más peligrosas a las menos.
CVE-2023-46737LOWPossible endless data attack from attacker-controlled registry in cosignEPSS 0.7%CVE-2022-35929HIGHFalse positive signature verification in cosignEPSS 0.7%CVE-2024-29902MEDIUMCosign vulnerable to system-wide denial of service via malicious attachmentsEPSS 0.7%CVE-2026-39395MEDIUMCosign's verify-blob-attestation reports false positive when payload parsing failsEPSS 0.3%CVE-2026-24122LOWCosign Certificate Chain Expiry Validation Issue Allows Issuing Certificate Expiry to Be OverlookedEPSS 0.2%CVE-2022-23649LOWImproper Certificate Validation in CosignEPSS 0.2%
Referencias
https://github.com/sigstore/cosign/blob/14795db16417579fac0c00c11e166868d7976b61/pkg/cosign/verify.go#L948-L955https://github.com/sigstore/cosign/blob/286a98a4a99c1b2f32f84b0d560e324100312280/pkg/oci/remote/signatures.go#L56-L70https://github.com/sigstore/cosign/commit/629f5f8fa672973503edde75f84dcd984637629ehttps://github.com/sigstore/cosign/releases/tag/v2.2.4https://github.com/sigstore/cosign/security/advisories/GHSA-95pr-fxf5-86gv