SARA / Free Tools / CVE / CVE-2023-39347

CVE-2023-39347 — Cilium is a networking, observability, and security solution with an eBPF-based

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. An attacker with the ability to update pod labels can cause Cilium to apply incorrect network policies. This issue arises due to the fact that on pod update, Cilium incorrectly uses user-pr

CVSS
7.6 HIGH
EPSS
4.00% (top 87.60%)
CWE
CWE-345
Published
2023-09-26T18:30:00.635Z
Last modified
2024-09-24T13:45:29.423Z
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H

01What is this vulnerability?

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. An attacker with the ability to update pod labels can cause Cilium to apply incorrect network policies. This issue arises due to the fact that on pod update, Cilium incorrectly uses user-provided pod labels to select the policies which apply to the workload in question. This can affect Cilium network…

02Affected products

VendorProductVersions
ciliumcilium>= 1.14.0, < 1.14.2, >= 1.13.0, < 1.13.7 , < 1.12.14

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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