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CERTA-2012-AVI-650
Vulnerability from certfr_avis - Published: - Updated:
De multiples vulnérabilités ont été corrigées dans Xen. Certaines d'entre elles permettent à un attaquant de provoquer un déni de service au moyen de programmes spécialement conçus.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneReferences
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Xen versions ant\u00e9rieures \u00e0 la 4.1",
"product": {
"name": "Xen",
"vendor": {
"name": "XEN",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [
{
"name": "CVE-2012-4539",
"url": "https://www.cve.org/CVERecord?id=CVE-2012-4539"
},
{
"name": "CVE-2012-4538",
"url": "https://www.cve.org/CVERecord?id=CVE-2012-4538"
},
{
"name": "CVE-2012-4536",
"url": "https://www.cve.org/CVERecord?id=CVE-2012-4536"
},
{
"name": "CVE-2012-4535",
"url": "https://www.cve.org/CVERecord?id=CVE-2012-4535"
},
{
"name": "CVE-2012-4537",
"url": "https://www.cve.org/CVERecord?id=CVE-2012-4537"
}
],
"links": [],
"reference": "CERTA-2012-AVI-650",
"revisions": [
{
"description": "version initiale.",
"revision_date": "2012-11-14T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 corrig\u00e9es dans \u003cspan\nclass=\"textit\"\u003eXen\u003c/span\u003e. Certaines d\u0027entre elles permettent \u00e0 un\nattaquant de provoquer un d\u00e9ni de service au moyen de programmes\nsp\u00e9cialement con\u00e7us.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Xen",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Xen du 13 novembre 2012",
"url": "http://lists.xen.org/archives/html/xen-announce/2012-11/msg00005.html"
}
]
}
CVE-2012-4536 (GCVE-0-2012-4536)
Vulnerability from cvelistv5 – Published: 2012-11-21 23:00 – Updated: 2024-08-06 20:42
VLAI?
EPSS
Summary
The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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],
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},
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"tags": [
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"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html"
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"name": "SUSE-SU-2012:1487",
"tags": [
"vendor-advisory",
"x_refsource_SUSE"
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"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html"
},
{
"name": "51352",
"tags": [
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"name": "51324",
"tags": [
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],
"url": "http://secunia.com/advisories/51324"
},
{
"name": "GLSA-201604-03",
"tags": [
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"tags": [
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CVE-2012-4535 (GCVE-0-2012-4535)
Vulnerability from cvelistv5 – Published: 2012-11-21 23:00 – Updated: 2024-08-06 20:42
VLAI?
EPSS
Summary
Xen 3.4 through 4.2, and possibly earlier versions, allows local guest OS administrators to cause a denial of service (Xen infinite loop and physical CPU consumption) by setting a VCPU with an "inappropriate deadline."
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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"name": "RHSA-2012:1540",
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},
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"x_transferred"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html"
},
{
"name": "51352",
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"x_transferred"
],
"url": "http://secunia.com/advisories/51352"
},
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],
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},
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},
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],
"url": "http://www.securityfocus.com/bid/56498"
},
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"name": "SUSE-SU-2012:1615",
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"vendor-advisory",
"x_refsource_SUSE",
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],
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},
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],
"url": "http://www.securitytracker.com/id?1027759"
},
{
"name": "[Xen-announce] 20121113 Xen Security Advisory 20 (CVE-2012-4535) - Timer overflow DoS vulnerability",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://lists.xen.org/archives/html/xen-announce/2012-11/msg00001.html"
},
{
"name": "51413",
"tags": [
"third-party-advisory",
"x_refsource_SECUNIA"
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"tags": [
"vendor-advisory",
"x_refsource_GENTOO"
],
"url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"
},
{
"name": "DSA-2582",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "http://www.debian.org/security/2012/dsa-2582"
},
{
"name": "87298",
"tags": [
"vdb-entry",
"x_refsource_OSVDB"
],
"url": "http://osvdb.org/87298"
},
{
"name": "SUSE-SU-2012:1486",
"tags": [
"vendor-advisory",
"x_refsource_SUSE"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html"
},
{
"name": "[oss-security] 20121113 Xen Security Advisory 20 (CVE-2012-4535) - Timer overflow DoS vulnerability",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
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},
{
"name": "openSUSE-SU-2012:1572",
"tags": [
"vendor-advisory",
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CVE-2012-4539 (GCVE-0-2012-4539)
Vulnerability from cvelistv5 – Published: 2012-11-21 23:00 – Updated: 2024-08-06 20:42
VLAI?
EPSS
Summary
Xen 4.0 through 4.2, when running 32-bit x86 PV guests on 64-bit hypervisors, allows local guest OS administrators to cause a denial of service (infinite loop and hang or crash) via invalid arguments to GNTTABOP_get_status_frames, aka "Grant table hypercall infinite loop DoS vulnerability."
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2012-4537 (GCVE-0-2012-4537)
Vulnerability from cvelistv5 – Published: 2012-11-21 23:00 – Updated: 2024-08-06 20:42
VLAI?
EPSS
Summary
Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause a denial of service (memory consumption and assertion failure), aka "Memory mapping failure DoS vulnerability."
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2012-4538 (GCVE-0-2012-4538)
Vulnerability from cvelistv5 – Published: 2012-11-24 20:00 – Updated: 2024-08-06 20:42
VLAI?
EPSS
Summary
The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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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