CVE-2021-29258

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

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

V2 Legend

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://blog.envoyproxy.io Vendor Advisory
https://github.com/envoyproxy/envoy-setec/pull/230 Broken Link
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
https://github.com/envoyproxy/envoy/security/advisories/GHSA-xw4q-6pj2-5gfg Not Applicable Third Party Advisory
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:*:*:*:*:*:*:*
History

27 May 2021, 01:25

Type Values Removed Values Added
References
  • (MISC) https://github.com/envoyproxy/envoy/security/advisories/GHSA-rqvq-hxw5-776j - Third Party Advisory
References (MISC) https://github.com/envoyproxy/envoy/security/advisories/GHSA-xw4q-6pj2-5gfg - (MISC) https://github.com/envoyproxy/envoy/security/advisories/GHSA-xw4q-6pj2-5gfg - Not Applicable, Third Party Advisory
References (MISC) https://github.com/envoyproxy/envoy-setec/pull/230 - (MISC) https://github.com/envoyproxy/envoy-setec/pull/230 - Broken Link
References (MISC) https://blog.envoyproxy.io - (MISC) https://blog.envoyproxy.io - Vendor Advisory
References (MISC) https://github.com/envoyproxy/envoy/releases/tag/v1.14.0 - (MISC) https://github.com/envoyproxy/envoy/releases/tag/v1.14.0 - Third Party Advisory
CPE cpe:2.3:a:envoyproxy:envoy:1.17.1:*:*:*:*:*:*:*
cpe:2.3:a:envoyproxy:envoy:1.14.6:*:*:*:*:*:*:*
cpe:2.3:a:envoyproxy:envoy:1.16.2:*:*:*:*:*:*:*
cpe:2.3:a:envoyproxy:envoy:1.15.3:*:*:*:*:*:*:*
CWE CWE-617
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5

20 May 2021, 17:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-05-20 17:15

Updated : 2024-02-04 21:47

NVD link : CVE-2021-29258

Mitre link : CVE-2021-29258

CVE.ORG link : CVE-2021-29258

JSON object : View

Products Affected

envoyproxy

  • envoy
CWE
CWE-617

Reachable Assertion