Access Restriction Bypass Affecting github.com/cilium/cilium/pkg/bpf package, versions >=1.9.0 <1.9.5>=1.8.3 <1.8.8>=1.7.8 <1.7.15


Severity

Recommended
0.0
medium
0
10

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  • Snyk IDSNYK-GOLANG-GITHUBCOMCILIUMCILIUMPKGBPF-1296570
  • published25 May 2021
  • disclosed21 May 2021
  • creditUnknown

Introduced: 21 May 2021

CVE NOT AVAILABLE CWE-284  (opens in a new tab)

How to fix?

Upgrade github.com/cilium/cilium/pkg/bpf to version 1.9.5, 1.8.8, 1.7.15 or higher.

Overview

github.com/cilium/cilium/pkg/bpf is an eBPF-based Networking, Security, and Observability

Affected versions of this package are vulnerable to Access Restriction Bypass. Under certain conditions, ICMP Echo Request sent to a Cilium endpoint from an actor (either a pod or a cluster host or a remote host) may bypass a network policy which disallows access from the actor to the endpoint, but allows from the endpoint to the actor. This does not apply to UDP and TCP traffic.

References

CVSS Base Scores

version 3.1