Vulnerability Monitor

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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."

Published

2019-11-11T01:15:10.210

Last Modified

2024-11-21T04:33:40.840

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-835

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	envoyproxy	envoy	1.12.0	Yes
Application	istio	istio	≤ 1.3.3	Yes

References

https://blog.envoyproxy.io Vendor Advisory ([email protected])
https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xvf-4396-cj46 Exploit, Third Party Advisory ([email protected])
https://github.com/istio/istio/issues/18229 Exploit, Third Party Advisory ([email protected])
https://groups.google.com/forum/#%21forum/envoy-users ([email protected])
https://blog.envoyproxy.io Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xvf-4396-cj46 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/istio/istio/issues/18229 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://groups.google.com/forum/#%21forum/envoy-users (af854a3a-2127-422b-91ae-364da2661108)