CVE-2020-16844

In Istio 1.5.0 though 1.5.8 and Istio 1.6.0 through 1.6.7, when users specify an AuthorizationPolicy resource with DENY actions using wildcard suffixes (e.g. *-some-suffix) for source principals or namespace fields, callers will never be denied access, bypassing the intended policy.

CVSS v3 6.8 MEDIUM
CVSS v2.0 4.9 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:S/C:P/I:P/A:N

Exploitability : 6.8 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/istio/istio/releases	Vendor Advisory
https://istio.io/latest/news/security/istio-security-2020-009/	Exploit Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:istio:istio::::::::
	cpe:2.3:a:istio:istio::::::::

History

No history.

Information

Published : 2020-10-01 17:15

Updated : 2023-12-10 13:41

NVD link : CVE-2020-16844

Mitre link : CVE-2020-16844

CVE.ORG link : CVE-2020-16844

JSON object : View

Products Affected

istio

istio

CWE

NVD-CWE-noinfo

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