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CVE-2019-18836

Good to know:

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Date: November 10, 2019

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."

Language: C++

Severity Score

Related Resources (8)

https://github.com/envoyproxy/envoy/commit/2ff37eed798814fbce8b189abbeef49dd0e0225e
https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xvf-4396-cj46
https://nvd.nist.gov/vuln/detail/CVE-2019-18836
https://groups.google.com/forum/#!forum/envoy-users
https://blog.envoyproxy.io
https://github.com/istio/istio/issues/18229
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18836
https://www.mend.io/vulnerability-database/CVE-2019-18836

Severity Score

Weakness Type (CWE)

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-835

Top Fix

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CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE
Additional information:

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