CVE-2021-29258

An issue was discovered in Envoy 1.14.0. There is a remotely exploitable crash for HTTP2 Metadata, because an empty METADATA map triggers a Reachable Assertion.

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-setec/pull/230	Broken Link
https://github.com/envoyproxy/envoy/security/advisories/GHSA-xw4q-6pj2-5gfg	Not Applicable Third Party Advisory
https://blog.envoyproxy.io	Vendor Advisory
https://github.com/envoyproxy/envoy/releases/tag/v1.14.0	Third Party Advisory
https://github.com/envoyproxy/envoy/security/advisories/GHSA-rqvq-hxw5-776j	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 : 2021-05-26 18:25

NVD link : CVE-2021-29258

Mitre link : CVE-2021-29258

JSON object : View

CWE

CWE-617

Reachable Assertion

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Products Affected

envoyproxy

envoy

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