{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2018-08-25T00:00:00", "descriptions": [{"lang": "en", "value": "Unchecked NULL pointer usage when parsing invalid atoms in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because lookup failures are mishandled."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-08-06T16:06:20", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "GLSA-201810-05", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201810-05"}, {"tags": ["x_refsource_MISC"], "url": "https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html"}, {"name": "USN-3786-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/3786-1/"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/xkbcommon/libxkbcommon/commit/bb4909d2d8fa6b08155e449986a478101e2b2634"}, {"name": "USN-3786-2", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/3786-2/"}, {"name": "RHSA-2019:2079", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2019:2079"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-15859", "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": "Unchecked NULL pointer usage when parsing invalid atoms in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because lookup failures are mishandled."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "GLSA-201810-05", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201810-05"}, {"name": "https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html", "refsource": "MISC", "url": "https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html"}, {"name": "USN-3786-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/3786-1/"}, {"name": "https://github.com/xkbcommon/libxkbcommon/commit/bb4909d2d8fa6b08155e449986a478101e2b2634", "refsource": "MISC", "url": "https://github.com/xkbcommon/libxkbcommon/commit/bb4909d2d8fa6b08155e449986a478101e2b2634"}, {"name": "USN-3786-2", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/3786-2/"}, {"name": "RHSA-2019:2079", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2019:2079"}]}}}}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-15859", "datePublished": "2018-08-25T21:00:00", "dateReserved": "2018-08-24T00:00:00", "dateUpdated": "2019-08-06T16:06:20", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:xkbcommon:libxkbcommon:*:*:*:*:*:*:*:*", "matchCriteriaId": "4B6764BA-E4C4-4657-B0B4-98C694C96632", "versionEndIncluding": "0.8.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:xkbcommon:xkbcommon:*:*:*:*:*:*:*:*", "matchCriteriaId": "BEDDC322-0FA8-4907-A4E1-000BCCBECEFD", "versionEndIncluding": "0.8.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Unchecked NULL pointer usage when parsing invalid atoms in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because lookup failures are mishandled."}, {"lang": "es", "value": "El uso de un puntero NULL no verificado al analizar \u00e1tomos no v\u00e1lidos en ExprResolveLhs en xkbcomp/expr.c en xkbcommon, en versiones anteriores a la 0.8.2, podr\u00eda ser aprovechado por atacantes locales para provocar el cierre inesperado (desreferencia de puntero NULL) del analizador xkbcommon proporcionando un archivo keymap manipulado, debido a que se gestionan incorrectamente los errores de b\u00fasqueda."}], "id": "CVE-2018-15859", "lastModified": "2019-08-06T17:15:25.523", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-08-25T21:29:02.170", "references": [{"source": "cve@mitre.org", "url": "https://access.redhat.com/errata/RHSA-2019:2079"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/xkbcommon/libxkbcommon/commit/bb4909d2d8fa6b08155e449986a478101e2b2634"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201810-05"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3786-1/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3786-2/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}