#VU34180 Buffer overflow in envoy - CVE-2020-12604

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Main Vulnerability Database Vulnerabilities #VU34180

#VU34180 Buffer overflow in envoy - CVE-2020-12604

Published: July 1, 2020 / Updated: August 8, 2020


Vulnerability identifier: #VU34180
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-12604
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
envoy
Software vendor:
Cloud Native Computing Foundation

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier is susceptible to increased memory usage in the case where an HTTP/2 client requests a large payload but does not send enough window updates to consume the entire stream and does not reset the stream.


Remediation

Install update from vendor's website.

External links