#VU25835 Resource exhaustion in envoy


Published: 2020-03-09

Vulnerability identifier: #VU25835

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-8659

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
envoy
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Cloud Native Computing Foundation

Description

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

The vulnerability exists due to the affected software consumes excessive amounts of memory when proxying HTTP/1.1 requests or responses with many small (i.e. 1 byte) chunks. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

envoy: 1.0.0 - 1.13.0


CPE

External links
http://github.com/envoyproxy/envoy/security/advisories/GHSA-jwcm-4pwp-c2qv
http://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability