CVE-2019-18836

CVSS V2 Medium 5 CVSS V3 High 7.5
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."
Overview
  • CVE ID
  • CVE-2019-18836
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-11-11T01:15:10
  • Last Modified Date
  • 2019-11-12T20:46:39
Weakness Enumerations
CWE URL
CWE-835 http://cwe.mitre.org/data/definitions/835.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:envoyproxy:envoy:1.12.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:* 1 OR 1.3.0 1.3.3
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-18836
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18836
History
Created Old Value New Value Data Type Notes
2022-05-10 16:59:35 Added to TrackCVE
2022-12-04 05:48:30 2019-11-11T01:15Z 2019-11-11T01:15:10 CVE Published Date updated
2022-12-04 05:48:30 2019-11-12T20:46:39 CVE Modified Date updated
2022-12-04 05:48:30 Analyzed Vulnerability Status updated