rhsa-2021_3273
Vulnerability from csaf_redhat
Published
2021-08-25 09:37
Modified
2024-11-05 23:52
Summary
Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.1.17.1 security update
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 multiple value headers can bypass authorization policies (CVE-2021-32777)
* envoyproxy/envoy: HTTP request with a URL fragment in the URI can bypass authorization policies (CVE-2021-32779)
* envoyproxy/envoy: denial of service when using extensions that modify request or response sizes (CVE-2021-32781)
* istio/istio: HTTP request can bypass authorization mechanisms due to case insensitive host comparison (CVE-2021-39155)
* istio/istio: HTTP request with fragment in URI can bypass authorization mechanisms (CVE-2021-39156)
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.
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"text": "An authorization bypass vulnerability was found in envoyproxy/envoy. Envoy incorrectly evaluates an HTTP request with multiple `value` headers. This flaw allows an attacker to bypass rule policies that use the `ext_authz` extension. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "envoyproxy/envoy: HTTP request with multiple value headers can bypass authorization policies",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2021:3273"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 8.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L",
"version": "3.1"
},
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]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "istio/istio: HTTP request with fragment in URI can bypass authorization mechanisms"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.