CVE-2012-3494
Vulnerability from cvelistv5
Published
2012-11-23 20:00
Modified
2024-08-06 20:05
Severity ?
EPSS score ?
Summary
The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial of service (host crash) by writing to the reserved bits of the DR7 debug control register.
References
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[ "vendor-advisory", "x_refsource_SUSE", "x_transferred", ], url: "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html", }, { name: "DSA-2544", tags: [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred", ], url: "http://www.debian.org/security/2012/dsa-2544", }, ], title: "CVE Program Container", }, ], cna: { affected: [ { product: "n/a", vendor: "n/a", versions: [ { status: "affected", version: "n/a", }, ], }, ], datePublic: "2012-09-05T00:00:00", descriptions: [ { lang: "en", value: "The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial of service (host crash) by writing to the reserved bits of the DR7 debug control register.", }, ], problemTypes: [ { descriptions: [ { description: "n/a", lang: "en", type: "text", }, ], }, ], providerMetadata: { dateUpdated: "2017-08-28T12:57:01", orgId: 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"openSUSE-SU-2012:1572", tags: [ "vendor-advisory", "x_refsource_SUSE", ], url: "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html", }, { name: "50472", tags: [ "third-party-advisory", "x_refsource_SECUNIA", ], url: "http://secunia.com/advisories/50472", }, { name: "55400", tags: [ "vdb-entry", "x_refsource_BID", ], url: "http://www.securityfocus.com/bid/55400", }, { name: "[oss-security] 20120905 Xen Security Advisory 12 (CVE-2012-3494) - hypercall set_debugreg vulnerability", tags: [ "mailing-list", "x_refsource_MLIST", ], url: "http://www.openwall.com/lists/oss-security/2012/09/05/5", }, { name: "SUSE-SU-2012:1162", tags: [ "vendor-advisory", "x_refsource_SUSE", ], url: "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html", }, { name: "openSUSE-SU-2012:1174", tags: [ "vendor-advisory", "x_refsource_SUSE", ], url: "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html", }, { name: "GLSA-201604-03", tags: [ "vendor-advisory", "x_refsource_GENTOO", ], url: "https://security.gentoo.org/glsa/201604-03", }, { name: "xen-setdebugreg-dos(78265)", tags: [ "vdb-entry", "x_refsource_XF", ], url: "https://exchange.xforce.ibmcloud.com/vulnerabilities/78265", }, { name: "SUSE-SU-2012:1132", tags: [ "vendor-advisory", "x_refsource_SUSE", ], url: "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html", }, { tags: [ "x_refsource_CONFIRM", ], url: "http://support.citrix.com/article/CTX134708", }, { name: "[Xen-announce] 20120905 Xen Security Advisory 12 (CVE-2012-3494) - hypercall set_debugreg vulnerability", tags: [ "mailing-list", "x_refsource_MLIST", ], url: "http://lists.xen.org/archives/html/xen-announce/2012-09/msg00000.html", }, { name: "SUSE-SU-2012:1129", tags: [ "vendor-advisory", "x_refsource_SUSE", ], url: "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.html", }, { name: "SUSE-SU-2012:1133", tags: [ "vendor-advisory", "x_refsource_SUSE", ], url: "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html", }, { name: "85197", tags: [ "vdb-entry", "x_refsource_OSVDB", ], url: "http://osvdb.org/85197", }, { name: "1027479", tags: [ "vdb-entry", "x_refsource_SECTRACK", ], url: "http://www.securitytracker.com/id?1027479", }, { name: "openSUSE-SU-2012:1573", tags: [ "vendor-advisory", "x_refsource_SUSE", ], url: "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html", }, { name: "openSUSE-SU-2012:1172", tags: [ "vendor-advisory", "x_refsource_SUSE", ], url: "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html", }, { name: "DSA-2544", tags: [ "vendor-advisory", "x_refsource_DEBIAN", ], url: "http://www.debian.org/security/2012/dsa-2544", }, ], }, }, cveMetadata: { assignerOrgId: "53f830b8-0a3f-465b-8143-3b8a9948e749", assignerShortName: "redhat", cveId: "CVE-2012-3494", datePublished: "2012-11-23T20:00:00", dateReserved: "2012-06-14T00:00:00", dateUpdated: "2024-08-06T20:05:12.655Z", state: "PUBLISHED", }, dataType: "CVE_RECORD", dataVersion: "5.1", "vulnerability-lookup:meta": { nvd: "{\"cve\":{\"id\":\"CVE-2012-3494\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2012-11-23T20:55:03.057\",\"lastModified\":\"2024-11-21T01:40:59.543\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial of service (host crash) by writing to the reserved bits of the DR7 debug control register.\"},{\"lang\":\"es\",\"value\":\"La hiperllamada et_debugreg en include/asm-x86/debugreg.h en Xen v4.0, v4.1, y v4.2, y Citrix XenServer v6.0.2 y anteriores, cuando se ejecuta sobre systemas x86-64, permite a usuarios locales del SO invitado generar una denegación de servicio (caída del host) mediante la escritura de ciertos bits reservados para el registro de control DR\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":2.1,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-264\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:*:-:*:*:*:*:x64:*\",\"versionEndIncluding\":\"6.0.2\",\"matchCriteriaId\":\"2FB5F3E5-D607-4BF5-9BB5-187D2F683F18\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:*:-:*:*:*:*:x86:*\",\"versionEndIncluding\":\"6.0.2\",\"matchCriteriaId\":\"CE28A81B-5201-4D49-888C-0160EF78D5F9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.0.0:-:*:*:*:*:x64:*\",\"matchCriteriaId\":\"A5B2BADE-24F0-45A0-BB36-5B0D76D93F5C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.0.0:-:*:*:*:*:x86:*\",\"matchCriteriaId\":\"E5CCBFE1-4C48-4F64-8DDC-4A29EC5EBEF7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.0:-:*:*:*:*:x64:*\",\"matchCriteriaId\":\"16FAE1DD-5E59-407A-857C-244814475212\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.0:-:*:*:*:*:x86:*\",\"matchCriteriaId\":\"855FD6AA-3288-49C4-BA09-D3685F5928E3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.2.0:-:*:*:*:*:x64:*\",\"matchCriteriaId\":\"93206518-71F7-47A6-B980-06D8B0D3B5CE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.2.0:-:*:*:*:*:x86:*\",\"matchCriteriaId\":\"D66B1908-FEEF-455E-8C26-65139BF59900\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.xen.org/archives/html/xen-announce/2012-09/msg00000.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://osvdb.org/85197\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://secunia.com/advisories/50472\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor 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Sightings
Author | Source | Type | Date |
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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.