Allocation of Resources Without Limits or Throttling Affecting cosign package, versions <2.2.4-150400.3.20.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.11% (31st percentile)

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  • Snyk IDSNYK-SLES155-COSIGN-7719710
  • published20 Aug 2024
  • disclosed2 May 2024

Introduced: 2 May 2024

CVE-2024-29903  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 cosign to version 2.2.4-150400.3.20.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cosign package and not the cosign package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

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 Base Scores

version 3.1