Vulnerability CVE-2020-8664


Published: 2020-03-04   Modified: 2020-03-05

Description:
CNCF Envoy through 1.13.0 has incorrect Access Control when using SDS with Combined Validation Context. Using the same secret (e.g. trusted CA) across many resources together with the combined validation context could lead to the ??static? part of the validation context to be not applied, even though it was visible in the active config dump.

Type:

CWE-863

(Incorrect Authorization)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
CNCF -> Envoy 

 References:
https://access.redhat.com/errata/RHSA-2020:0734
https://github.com/envoyproxy/envoy/security/advisories/GHSA-3x9m-pgmg-xpx8
https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history

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