cve-2016-9379
Vulnerability from cvelistv5
Published
2017-01-23 21:00
Modified
2024-08-06 02:50
Severity ?
EPSS score ?
Summary
The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes and S-expressions in the bootloader configuration file.
References
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-06T02:50:37.614Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "http://xenbits.xen.org/xsa/xsa198.patch" }, { "name": "94473", "tags": [ "vdb-entry", "x_refsource_BID", "x_transferred" ], "url": "http://www.securityfocus.com/bid/94473" }, { "name": "GLSA-201612-56", "tags": [ "vendor-advisory", "x_refsource_GENTOO", "x_transferred" ], "url": "https://security.gentoo.org/glsa/201612-56" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "http://xenbits.xen.org/xsa/advisory-198.html" }, { "name": "1037347", "tags": [ "vdb-entry", "x_refsource_SECTRACK", "x_transferred" ], "url": "http://www.securitytracker.com/id/1037347" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://support.citrix.com/article/CTX218775" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "datePublic": "2016-11-22T00:00:00", "descriptions": [ { "lang": "en", "value": "The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes and S-expressions in the bootloader configuration file." } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2017-06-30T16:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "http://xenbits.xen.org/xsa/xsa198.patch" }, { "name": "94473", "tags": [ "vdb-entry", "x_refsource_BID" ], "url": "http://www.securityfocus.com/bid/94473" }, { "name": "GLSA-201612-56", "tags": [ "vendor-advisory", "x_refsource_GENTOO" ], "url": "https://security.gentoo.org/glsa/201612-56" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "http://xenbits.xen.org/xsa/advisory-198.html" }, { "name": "1037347", "tags": [ "vdb-entry", "x_refsource_SECTRACK" ], "url": "http://www.securitytracker.com/id/1037347" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://support.citrix.com/article/CTX218775" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-9379", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes and S-expressions in the bootloader configuration file." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "http://xenbits.xen.org/xsa/xsa198.patch", "refsource": "CONFIRM", "url": "http://xenbits.xen.org/xsa/xsa198.patch" }, { "name": "94473", "refsource": "BID", "url": "http://www.securityfocus.com/bid/94473" }, { "name": "GLSA-201612-56", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201612-56" }, { "name": "http://xenbits.xen.org/xsa/advisory-198.html", "refsource": "CONFIRM", "url": "http://xenbits.xen.org/xsa/advisory-198.html" }, { "name": "1037347", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1037347" }, { "name": "https://support.citrix.com/article/CTX218775", "refsource": "CONFIRM", "url": "https://support.citrix.com/article/CTX218775" } ] } } } }, "cveMetadata": { "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-9379", "datePublished": "2017-01-23T21:00:00", "dateReserved": "2016-11-17T00:00:00", "dateUpdated": "2024-08-06T02:50:37.614Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2016-9379\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2017-01-23T21:59:02.707\",\"lastModified\":\"2024-11-21T03:01:03.623\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes and S-expressions in the bootloader configuration file.\"},{\"lang\":\"es\",\"value\":\"El emulador de cargador de arranque pygrub en Xen, cuando se solicita el formato de salida de la expresi\u00f3n S, permite a administradores locales del SO invitado que utilizan pygrub leer o eliminar archivos arbitrarios en el host a trav\u00e9s de citas de cadenas y expresiones S en el archivo de configuraci\u00f3n del gestor de arranque.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N\",\"baseScore\":7.9,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.5,\"impactScore\":5.8}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":4.6,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C2B9CCC2-BAC5-4A65-B8D4-4B71EBBA0C2F\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5FCF191B-971A-4945-AB14-08091689BE2F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BCEA97B9-A443-4F87-81B4-B3F0E94AC18E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"56434D13-7A7B-495C-A135-2688C706A065\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"405F950F-0772-41A3-8B72-B67151CC1376\"}]}]}],\"references\":[{\"url\":\"http://www.securityfocus.com/bid/94473\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1037347\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://xenbits.xen.org/xsa/advisory-198.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://xenbits.xen.org/xsa/xsa198.patch\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201612-56\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://support.citrix.com/article/CTX218775\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/94473\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1037347\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://xenbits.xen.org/xsa/advisory-198.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://xenbits.xen.org/xsa/xsa198.patch\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201612-56\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://support.citrix.com/article/CTX218775\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]}]}}" } }
Loading…
Loading…
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.