CVE-2019-18836
Last modified
CVE-2019-18836 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Envoy 1.12.0 allows a remote denial of service because of resource loops, as demonstrated by a single idle TCP connection being able to keep a worker thread in an infinite busy loop when continue_on_listener_filters_timeout is used.". EPSS estimates a 1.94% chance of exploitation in the next 30 days.
Description
Envoy 1.12.0 allows a remote denial of service because of resource loops, as demonstrated by a single idle TCP connection being able to keep a worker thread in an infinite busy loop when continue_on_listener_filters_timeout is used."
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Envoyproxy | Envoy | 1.12.0 |
| Istio | Istio | >= 1.3.0, <= 1.3.3 |
References
- https://blog.envoyproxy.ioVendor Advisory
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xvf-4396-cj46Exploit, Third Party Advisory
- https://github.com/istio/istio/issues/18229Exploit, Third Party Advisory
- https://blog.envoyproxy.ioVendor Advisory
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xvf-4396-cj46Exploit, Third Party Advisory
- https://github.com/istio/istio/issues/18229Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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