CVE-2024-29902

Summary

CVE-2024-29902 is a vulnerability that affects Cosign, a code signing and transparency tool for containers and binaries. The vulnerability exists in versions prior to 2.2.4 and allows a remote image with a malicious attachment to cause denial of service on the host machine running Cosign. This can result in data loss for services like Redis database that rely on available memory. Additionally, other services on the machine may become unavailable during the denial of service period. The vulnerability stems from Cosign reading attachments from remote images into memory without checking their size, allowing an attacker to overwhelm the machine's available memory. The potential danger is significant as it can lead to supply-chain escalation from a compromised registry to the Cosign user.

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