Resource exhaustion in Sigstore Cosign
CVE-2024-29902
Cosign provides code signing and transparency for containers and binaries. Prior to version 2.2.4, a remote image with a malicious attachment can cause denial of service of the host machine running Cosign. This can impact other services on…
EPSS: 0.002 (43.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Sigstore Cosign — versions < 2.2.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/sigstore/cosign/security/advisories/GHSA-88jx-383q-w4qc (x_refsource_CONFIRM)
- https://github.com/sigstore/cosign/commit/629f5f8fa672973503edde75f84dcd984637629e (x_refsource_MISC)
- https://github.com/google/go-containerregistry/blob/a0658aa1d0cc7a7f1bcc4a3af9155335b6943f40/pkg/v1/remote/layer.go#L36-L40 (x_refsource_MISC)
- https://github.com/sigstore/cosign/blob/9bc3ee309bf35d2f6e17f5d23f231a3d8bf580bc/pkg/oci/remote/remote.go#L228-L239 (x_refsource_MISC)
- https://github.com/sigstore/cosign/releases/tag/v2.2.4 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-29902?
- CVE-2024-29902 is a medium-severity vulnerability in Sigstore Cosign, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 4.2/10. Published 2024-04-10.
- How severe is CVE-2024-29902?
- Medium severity. CVSS v3 base score is 4.2 out of 10.
- Is CVE-2024-29902 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.