Uncontrolled Memory Allocation in serving - CVE-2023-48713
Published: February 13, 2024
Vulnerability identifier: #VU86369
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-48713
CWE-ID: CWE-789
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Knative
Affected software:
serving
serving
Detailed vulnerability description
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to unbound memory allocation. A remote user 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.
How to mitigate CVE-2023-48713
Install updates from vendor's website.
Sources
- 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