CVE-2020-16844 – istio.io/istio

Package

Manager: go
Name: istio.io/istio
Vulnerable Version: >=1.5.0 <1.5.9 || >=1.6.0 <1.6.8

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

EPSS: 0.00284 pctl0.51368

Details

Authorization bypass in Istio 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. ### Specific Go Packages Affected istio.io/istio/pilot/pkg/security/authz/model/matcher

Metadata

Created: 2022-02-15T01:57:18Z
Modified: 2023-10-02T13:07:29Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-82mm-ffjr-h86c/GHSA-82mm-ffjr-h86c.json
CWE IDs: ["CWE-284"]
Alternative ID: GHSA-82mm-ffjr-h86c
Finding: F039
Auto approve: 1