rhsa-2013:1192
Vulnerability from csaf_redhat
Published
2013-09-03 19:55
Modified
2024-11-22 07:04
Summary
Red Hat Security Advisory: spice-server security update
Notes
Topic
An updated spice-server package that fixes one security issue is now
available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.
Details
The Simple Protocol for Independent Computing Environments (SPICE) is a
remote display protocol for virtual environments. SPICE users can access a
virtualized desktop or server from the local system or any system with
network access to the server. SPICE is used in Red Hat Enterprise Linux for
viewing virtualized guests running on the Kernel-based Virtual Machine
(KVM) hypervisor or on Red Hat Enterprise Virtualization Hypervisors.
A flaw was found in the way concurrent access to the clients ring buffer
was performed in the spice-server library. A remote user able to initiate a
SPICE connection to an application acting as a SPICE server could use this
flaw to crash the application. (CVE-2013-4130)
This issue was discovered by David Gibson of Red Hat.
Users of spice-server are advised to upgrade to this updated package, which
contains a backported patch to correct this issue. Applications acting as a
SPICE server must be restarted for this update to take effect. Note that
QEMU-KVM guests providing SPICE console access must be restarted for this
update to take effect.
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 updated spice-server package that fixes one security issue is now\navailable for Red Hat Enterprise Linux 6.\n\nThe Red Hat Security Response Team has rated this update as having moderate\nsecurity impact. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available from the CVE link in\nthe References section.",
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"text": "The Simple Protocol for Independent Computing Environments (SPICE) is a\nremote display protocol for virtual environments. SPICE users can access a\nvirtualized desktop or server from the local system or any system with\nnetwork access to the server. SPICE is used in Red Hat Enterprise Linux for\nviewing virtualized guests running on the Kernel-based Virtual Machine\n(KVM) hypervisor or on Red Hat Enterprise Virtualization Hypervisors.\n\nA flaw was found in the way concurrent access to the clients ring buffer\nwas performed in the spice-server library. A remote user able to initiate a\nSPICE connection to an application acting as a SPICE server could use this\nflaw to crash the application. (CVE-2013-4130)\n\nThis issue was discovered by David Gibson of Red Hat.\n\nUsers of spice-server are advised to upgrade to this updated package, which\ncontains a backported patch to correct this issue. Applications acting as a\nSPICE server must be restarted for this update to take effect. Note that\nQEMU-KVM guests providing SPICE console access must be restarted for this\nupdate to take effect.",
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{
"acknowledgments": [
{
"names": [
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],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2013-4130",
"discovery_date": "2013-07-12T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "984769"
}
],
"notes": [
{
"category": "description",
"text": "The (1) red_channel_pipes_add_type and (2) red_channel_pipes_add_empty_msg functions in server/red_channel.c in SPICE before 0.12.4 do not properly perform ring loops, which might allow remote attackers to cause a denial of service (reachable assertion and server exit) by triggering a network error.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "spice: unsafe clients ring access abort",
"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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{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4130",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4130"
}
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"date": "2013-09-03T19:55:00+00:00",
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "spice: unsafe clients ring access abort"
}
]
}
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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.
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