RHSA-2021_1540
Vulnerability from csaf_redhat - Published: 2021-05-11 23:31 - Updated: 2024-11-22 16:56Summary
Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.1.14 security update
Severity
Important
Notes
Topic: An update for servicemesh and servicemesh-proxy is now available for OpenShift Service Mesh 1.1.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation.
Security Fix(es):
* envoyproxy/envoy: HTTP request with escaped slash characters can bypass Envoy's authorization mechanisms (CVE-2021-29492)
* istio/istio: HTTP request with escaped slash characters can bypass authorization mechanisms (CVE-2021-31920)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
An authorization bypass vulnerability was found in envoyproxy/envoy. An attacker can potentially craft an HTTP request that defines a certain pattern of escaped characters in the URI path (such as %2F, %2f, %5C or %5c), allowing them to bypass the envoy authorization service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
8.3 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.x86_64 | — |
Vendor Fix
fix
|
Known not affected
28 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.ppc64le | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.s390x | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.src | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.x86_64 | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.ppc64le | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.s390x | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.x86_64 | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.ppc64le | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.s390x | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.x86_64 | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.ppc64le | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.s390x | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.x86_64 | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.ppc64le | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.s390x | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.x86_64 | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.ppc64le | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.s390x | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.x86_64 | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.ppc64le | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.s390x | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.x86_64 | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.ppc64le | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.s390x | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.x86_64 | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.ppc64le | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.s390x | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.x86_64 | — |
Threats
Impact
Important
An authorization bypass flaw was found in Istio. This flaw allows an attacker to craft an HTTP request that defines a certain pattern of escaped characters in the URI path (such as %2F, %2f, %5C, or %5c), allowing them to bypass the authorization service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
8.1 (High)
Affected products
Fixed
28 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.x86_64 | — |
Vendor Fix
fix
|
Known not affected
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.ppc64le | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.s390x | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.src | — | ||
| Unresolved product id: 8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.x86_64 | — |
Threats
Impact
Important
References
15 references
Acknowledgments
the Envoy security team
the Istio Product Security Working Group
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"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"products": [
"8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.ppc64le",
"8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.s390x",
"8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.src",
"8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.x86_64",
"8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.ppc64le",
"8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.s390x",
"8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.x86_64",
"8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.ppc64le",
"8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.s390x",
"8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.x86_64",
"8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.ppc64le",
"8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.s390x",
"8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.x86_64",
"8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.ppc64le",
"8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.s390x",
"8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.x86_64",
"8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.ppc64le",
"8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.s390x",
"8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.x86_64",
"8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.ppc64le",
"8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.s390x",
"8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.x86_64",
"8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.ppc64le",
"8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.s390x",
"8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.x86_64",
"8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.ppc64le",
"8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.s390x",
"8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "istio/istio: HTTP request with escaped slash characters can bypass authorization mechanisms"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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