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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Start learningUpgrade RHEL:8
servicemesh-proxy
to version 0:2.0.9-3.el8 or higher.
This issue was patched in RHSA-2022:1276
.
Note: Versions mentioned in the description apply only to the upstream servicemesh-proxy
package and not the servicemesh-proxy
package as distributed by RHEL
.
See How to fix?
for RHEL:8
relevant fixed versions and status.
Istio is an open platform to connect, manage, and secure microservices. In affected versions the Istio control plane, istiod
, is vulnerable to a request processing error, allowing a malicious attacker that sends a specially crafted message which results in the control plane crashing. This endpoint is served over TLS port 15012, but does not require any authentication from the attacker. For simple installations, Istiod is typically only reachable from within the cluster, limiting the blast radius. However, for some deployments, especially multicluster topologies, this port is exposed over the public internet. There are no effective workarounds, beyond upgrading. Limiting network access to Istiod to the minimal set of clients can help lessen the scope of the vulnerability to some extent.