CVE-2019-18836

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."

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/istio/istio/issues/18229	Exploit Third Party Advisory
https://blog.envoyproxy.io	Vendor Advisory
https://groups.google.com/forum/#!forum/envoy-users	Mailing List Third Party Advisory
https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xvf-4396-cj46	Exploit Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:envoyproxy:envoy:1.12.0:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*

Information

Published : 2019-11-10 17:15

Updated : 2019-11-12 12:46

NVD link : CVE-2019-18836

Mitre link : CVE-2019-18836

JSON object : View

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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Products Affected

envoyproxy

envoy

istio

istio

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