Bug 1770956 (CVE-2019-18817)
| Summary: | CVE-2019-18817 istio/envoy: infinite loop in Envoy, and subsequently Istio leads to a DoS | ||
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| Product: | [Other] Security Response | Reporter: | Marian Rehak <mrehak> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED NOTABUG | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | CC: | kconner, rcernich, twalsh |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: |
A flaw was found in envoy. When the option `continue_on_listener_filters_timeout` is set to True, an infinite loop can be triggered that could effectively exhaust Envoy's CPU resources causing a denial of service. The highest threat from this vulnerability is to system availability.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2019-11-11 18:51:14 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
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Description
Marian Rehak
2019-11-11 14:54:59 UTC
Upstream advisory: https://istio.io/news/2019/istio-security-2019-006/ This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2019-18817 External References: https://istio.io/news/2019/istio-security-2019-006/ |