Vulnerability CVE-2020-8659
Published: 2020-03-04   Modified: 2020-03-05

Description:
CNCF Envoy through 1.13.0 may consume excessive amounts of memory when proxying HTTP/1.1 requests or responses with many small (i.e. 1 byte) chunks.

Type:

CWE-400

 (Uncontrolled Resource Consumption ('Resource Exhaustion'))

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
CNCF -> Envoy 

 References:
https://access.redhat.com/errata/RHSA-2020:0734
https://github.com/envoyproxy/envoy/security/advisories/GHSA-jwcm-4pwp-c2qv
https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history
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