Information disclosure in Cilium
CVE-2023-29002
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. When run in debug mode, Cilium will log the contents of the `cilium-secrets` namespace. This could include data such as TLS private keys for Ingress and GatewayAPI resources. An attacker with access to debug output from the Cilium containers could use the resulting output to intercept and modify traffic to and from the affected cluster. Output of the sensitive information would occur at Cilium agent restart, when secrets in the namespace are modified, and on creation of Ingress or GatewayAPI resources. This vulnerability is fixed in Cilium releases 1.11.16, 1.12.9, and 1.13.2. Users unable to upgrade should disable debug mode.
EPSS: 0.002 (9.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N.
Affected products
- Cilium — versions >= 1.7, < 1.11.16, >= 1.12.0, < 1.12.9, >= 1.13.0, < 1.13.2
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-29002?
- CVE-2023-29002 is a high-severity vulnerability in Cilium, classified under Insertion of Sensitive Information into Log File. CVSS score: 7.2/10. Published 2023-04-18.
- How severe is CVE-2023-29002?
- High severity. CVSS v3 base score is 7.2 out of 10.