CVE-2024-29903
4.2 · MEDIUMOverview
CVE-2024-29903 is a medium-severity vulnerability affecting sigstore cosign. It was published on April 10, 2024 and has a CVSS 3.1 base score of 4.2 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.2, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from sigstore. Update cosign to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| sigstore | cosign | >= 0, < 2.2.4 | Affected |
References
Frequently Asked Questions
What is CVE-2024-29903?
CVE-2024-29903 is a medium-severity vulnerability affecting sigstore cosign. It was published on April 10, 2024 and has a CVSS 3.1 base score of 4.2 (MEDIUM).
How severe is CVE-2024-29903?
This vulnerability has a CVSS 3.1 base score of 4.2, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2024-29903?
Check the references section for vendor advisories and patches from sigstore. Update cosign to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2024-29903?
CyberStrike's AI-powered security agents can automatically detect CVE-2024-29903 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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