#VU34182 Resource exhaustion in envoy - CVE-2020-12603
Published: July 1, 2020 / Updated: August 8, 2020
Vulnerability identifier: #VU34182
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-2020-12603
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
envoy
envoy
Software vendor:
Cloud Native Computing Foundation
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 may consume excessive amounts of memory when proxying HTTP/2 requests or responses with many small (i.e. 1 byte) data frames.
Remediation
Install update from vendor's website.