Moderate severityNVD Advisory· Published Oct 1, 2020· Updated Aug 4, 2024
CVE-2020-16844
CVE-2020-16844
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
istio.io/istioGo | >= 1.5.0, < 1.5.9 | 1.5.9 |
istio.io/istioGo | >= 1.6.0, < 1.6.8 | 1.6.8 |
Affected products
2- Istio/Istiodescription
Patches
Vulnerability mechanics
References
11- github.com/advisories/GHSA-82mm-ffjr-h86cghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-16844ghsaADVISORY
- github.com/istio/istio/commit/4c73414556b83f0e75c1b3a0a89a23103a71573cghsaWEB
- github.com/istio/istio/commit/72d2e135374f421b656d6f1a21f474db46134aceghsaWEB
- github.com/istio/istio/releasesghsax_refsource_MISCWEB
- github.com/istio/istio/releases/tag/1.5.9ghsaWEB
- github.com/istio/istio/releases/tag/1.6.8ghsaWEB
- istio.io/latest/news/releases/1.5.x/announcing-1.5.9ghsaWEB
- istio.io/latest/news/releases/1.6.x/announcing-1.6.8ghsaWEB
- istio.io/latest/news/security/istio-security-2020-009ghsaWEB
- istio.io/latest/news/security/istio-security-2020-009/mitrex_refsource_CONFIRM
News mentions
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