RHSA-2019:1569
Vulnerability from csaf_redhat - Published: 2019-06-20 14:48 - Updated: 2025-11-21 18:08Summary
Red Hat Security Advisory: redhat-virtualization-host security and enhancement update
Notes
Topic
An update for redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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
The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.
The following packages have been upgraded to a later upstream version: redhat-release-virtualization-host (4.3), redhat-virtualization-host (4.3).
Security Fix(es):
* cockpit: Crash when parsing invalid base64 headers (CVE-2019-3804)
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": "The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host\u0027s resources and performing administrative tasks. \n\nThe following packages have been upgraded to a later upstream version: redhat-release-virtualization-host (4.3), redhat-virtualization-host (4.3).\n\nSecurity Fix(es):\n\n* cockpit: Crash when parsing invalid base64 headers (CVE-2019-3804)\n\nFor 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.",
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"name": "Missing Initialization of Resource"
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"text": "It was found that cockpit used glib\u0027s base64 decode functionality incorrectly resulting in a denial of service attack. An unauthenticated attacker could send a specially crafted request with an invalid base64-encoded cookie which could cause the web service to crash.",
"title": "Vulnerability description"
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{
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"text": "cockpit: Crash when parsing invalid base64 headers",
"title": "Vulnerability summary"
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{
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"text": "Red Hat Enterprise Linux (RHEL) ships binary packages built from the cockpit source RPM, which was affected by this flaw and subsequently updated to address the issue.\n\nAll OpenShift Container Platform (OCP) versions to date ship with an image that contains a cockpit-kubernetes RPM, built separately from the same cockpit SRPM. The cockpit-kubernetes RPM is not affected by this vulnerability as it does not contain the affected code, thus OCP is also marked \"not affected\". Updates for all other cockpit RPMs should be applied from the appropriate RHEL channels.",
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"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/2974891",
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
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"details": "Moderate"
}
],
"title": "cockpit: Crash when parsing invalid base64 headers"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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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