CVE-2021-28682

An issue was discovered in Envoy through 1.71.1. There is a remotely exploitable integer overflow in which a very large grpc-timeout value leads to unexpected timeout calculations.

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/envoyproxy/envoy/blob/15e3b9dbcc9aaa9d391fa8033904aad1ea1ae70d/api/envoy/api/v2/cluster.proto#L36	Exploit Third Party Advisory
https://github.com/envoyproxy/envoy/releases	Third Party Advisory
https://blog.envoyproxy.io	Vendor Advisory
https://github.com/envoyproxy/envoy/security/advisories/GHSA-r22g-5f3x-xjgg	Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:envoyproxy:envoy:1.14.6:::::::*
	cpe:2.3:a:envoyproxy:envoy:1.15.3:::::::*
	cpe:2.3:a:envoyproxy:envoy:1.16.2:::::::*
	cpe:2.3:a:envoyproxy:envoy:1.17.1:::::::*

Information

Published : 2021-05-20 10:15

Updated : 2021-05-27 09:05

NVD link : CVE-2021-28682

Mitre link : CVE-2021-28682

JSON object : View

CWE

CWE-190

Integer Overflow or Wraparound

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Products Affected

envoyproxy

envoy

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