CVE-2023-48713

Summary

Knative Serving builds on Kubernetes to support deploying and serving of applications and functions as serverless containers. An attacker who controls a pod to a degree where they can control the responses from the /metrics endpoint can cause Denial-of-Service of the autoscaler from an unbound memory allocation bug. This is a DoS vulnerability, where a non-privileged Knative user can cause a DoS for the cluster. This issue has been patched in version 0.39.0.

Affected Software

Weaknesses

• CWE-400: CWE-400: Uncontrolled Resource Consumption

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/knative/serving/security/advisories/GHSA-qmvj-4qr9-v547
• https://github.com/knative/serving/commit/012ee2509231b80b7842139bfabc30516d3026ca
• https://github.com/knative/serving/commit/101f814112b9ca0767f457e7e616b46205551cf1
• https://github.com/knative/serving/commit/fff40ef7bac9be8380ec3d1c70fc15b57093382a

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/knative/serving/security/advisories/GHSA-qmvj-4qr9-v547
• https://github.com/knative/serving/commit/012ee2509231b80b7842139bfabc30516d3026ca
• https://github.com/knative/serving/commit/101f814112b9ca0767f457e7e616b46205551cf1
• https://github.com/knative/serving/commit/fff40ef7bac9be8380ec3d1c70fc15b57093382a

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