Resource exhaustion in Sigstore Cosign
CVE-2024-29903
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 machi…
EPSS: 0.007 (72.8th 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-95pr-fxf5-86gv (x_refsource_CONFIRM)
- https://github.com/sigstore/cosign/commit/629f5f8fa672973503edde75f84dcd984637629e (x_refsource_MISC)
- https://github.com/sigstore/cosign/blob/14795db16417579fac0c00c11e166868d7976b61/pkg/cosign/verify.go#L948-L955 (x_refsource_MISC)
- https://github.com/sigstore/cosign/blob/286a98a4a99c1b2f32f84b0d560e324100312280/pkg/oci/remote/signatures.go#L56-L70 (x_refsource_MISC)
- https://github.com/sigstore/cosign/releases/tag/v2.2.4 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-29903?
- CVE-2024-29903 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-2024-29903?
- Medium severity. CVSS v3 base score is 4.2 out of 10.
- Is CVE-2024-29903 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.