Home/CVE/Envoy 1.12.0 allows a remote denial of service because of resource loops, as demonstrated by a single idle TCP connectio
CVE

CVE-2019-18836

Envoy 1.12.0 allows a remote denial of service because of resource loops, as demonstrated by a single idle TCP connectio

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.".

HIGH · CVSS 7.5 EPSS 0.00155
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')
▤

Affected Products & Versions

2
envoyproxy envoyall versions
istio>= 1.3.0 and <= 1.3.3
⚠

Public Exploits & PoCs

2
pocgithub.com · GHSA-3xvf-4396-cj46github.com
pocgithub.com · 18229github.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Nov 2019 · 01:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://blog.envoyproxy.ioVendor Advisory
https://groups.google.com/forum/#%21forum/envoy-users
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