{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-0494", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "dateUpdated": "2024-08-02T05:10:56.201Z", "dateReserved": "2023-01-25T00:00:00", "datePublished": "2023-03-27T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2023-05-30T00:00:00"}, "descriptions": [{"lang": "en", "value": "A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions."}], "affected": [{"vendor": "n/a", "product": "xorg-x11-server", "versions": [{"version": "xorg-server 21.1.7", "status": "affected"}]}], "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2165995"}, {"url": "https://lists.x.org/archives/xorg-announce/2023-February/003320.html"}, {"url": "https://gitlab.freedesktop.org/xorg/xserver/-/commit/0ba6d8c37071131a49790243cdac55392ecf71ec"}, {"name": "GLSA-202305-30", "tags": ["vendor-advisory"], "url": "https://security.gentoo.org/glsa/202305-30"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-416", "cweId": "CWE-416"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T05:10:56.201Z"}, "title": "CVE Program Container", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2165995", "tags": ["x_transferred"]}, {"url": "https://lists.x.org/archives/xorg-announce/2023-February/003320.html", "tags": ["x_transferred"]}, {"url": "https://gitlab.freedesktop.org/xorg/xserver/-/commit/0ba6d8c37071131a49790243cdac55392ecf71ec", "tags": ["x_transferred"]}, {"name": "GLSA-202305-30", "tags": ["vendor-advisory", "x_transferred"], "url": "https://security.gentoo.org/glsa/202305-30"}]}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "8B7D5030-1EC6-4BAD-B66D-859A906E3D38", "versionEndExcluding": "21.1.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*", "matchCriteriaId": "5C675112-476C-4D7C-BCB9-A2FB2D0BC9FD", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "matchCriteriaId": "E30D0E6F-4AE8-4284-8716-991DFA48CC5D", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.1:*:*:*:*:*:*:*", "matchCriteriaId": "EF30E57A-97EA-4A44-8404-6AE4F058B44D", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_aus:8.4:*:*:*:*:*:*:*", "matchCriteriaId": "4D5F4FA7-E5C5-4C23-BDA8-36A36972E4F4", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_aus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "5CA4F12A-5BC5-4D75-8F20-80D8BB2C5BF2", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "33C068A4-3780-4EAB-A937-6082DF847564", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*", "matchCriteriaId": "0E3F09B5-569F-4C58-9FCA-3C0953D107B5", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "6C3741B8-851F-475D-B428-523F4F722350", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "4DDA3E5A-8754-4C48-9A27-E2415F8A6000", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "566507B6-AC95-47F7-A3FB-C6F414E45F51", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "87C21FE1-EA5C-498F-9C6C-D05F91A88217", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.4:*:*:*:*:*:*:*", "matchCriteriaId": "8C9BD9AE-46FC-4609-8D99-A3CFE91D58D1", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "9EF5C4AC-CA69-41E3-AD93-7AC21931374A", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "1CDCFF34-6F1D-45A1-BE37-6A0E17B04801", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "B4A684C7-88FD-43C4-9BDB-AE337FCBD0AB", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "47811209-5CE5-4375-8391-B0A7F6A0E420", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "35EEDB95-DCD1-4FED-9BBB-877B2062410C", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.4:*:*:*:*:*:*:*", "matchCriteriaId": "983533DD-3970-4A37-9A9C-582BD48AA1E5", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "729C515E-1DD3-466D-A50B-AFE058FFC94A", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "37CE1DC7-72C5-483C-8921-0B462C8284D1", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "51EF4996-72F4-4FA4-814F-F5991E7A8318", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "6897676D-53F9-45B3-B27F-7FF9A4C58D33", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:*", "matchCriteriaId": "4DF2B9A2-8CA6-4EDF-9975-07265E363ED2", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "7DA6A5AF-2EBE-4ED9-B312-DCD9D150D031", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.4:*:*:*:*:*:*:*", "matchCriteriaId": "22D095ED-9247-4133-A133-73B7668565E4", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "871A5C26-DB7B-4870-A5B2-5DD24C90B4A7", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "492DF629-16B8-4882-822D-A6897B03DD30", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "B09ACF2D-D83F-4A86-8185-9569605D8EE1", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*", "matchCriteriaId": "AC10D919-57FD-4725-B8D2-39ECB476902F", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "1272DF03-7674-4BD4-8E64-94004B195448", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "3921C1CF-A16D-4727-99AD-03EFFA7C91CA", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_workstation:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "DC7808D1-B267-4361-8187-5AB70B64179A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions."}], "id": "CVE-2023-0494", "lastModified": "2023-05-30T06:16:04.463", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-03-27T21:15:10.193", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2165995"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "https://gitlab.freedesktop.org/xorg/xserver/-/commit/0ba6d8c37071131a49790243cdac55392ecf71ec"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.x.org/archives/xorg-announce/2023-February/003320.html"}, {"source": "secalert@redhat.com", "url": "https://security.gentoo.org/glsa/202305-30"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2023:0675", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "tigervnc-0:1.8.0-24.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2023-02-08T00:00:00Z"}, {"advisory": "RHSA-2023:0675", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "xorg-x11-server-0:1.20.4-22.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2023-02-08T00:00:00Z"}, {"advisory": "RHSA-2023:0662", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "tigervnc-0:1.12.0-9.el8_7.1", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-02-08T00:00:00Z"}, {"advisory": "RHSA-2023:2805", "cpe": "cpe:/a:redhat:enterprise_linux:8", "impact": "moderate", "package": "xorg-x11-server-Xwayland-0:21.1.3-10.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-05-16T00:00:00Z"}, {"advisory": "RHSA-2023:2806", "cpe": "cpe:/a:redhat:enterprise_linux:8", "impact": "moderate", "package": "xorg-x11-server-0:1.20.11-15.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-05-16T00:00:00Z"}, {"advisory": "RHSA-2023:0665", "cpe": "cpe:/a:redhat:rhel_e4s:8.1", "package": "tigervnc-0:1.9.0-16.el8_1.1", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2023-02-08T00:00:00Z"}, {"advisory": "RHSA-2023:0671", "cpe": "cpe:/a:redhat:rhel_aus:8.2", "package": "tigervnc-0:1.9.0-15.el8_2.1", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2023-02-08T00:00:00Z"}, {"advisory": "RHSA-2023:0671", "cpe": "cpe:/a:redhat:rhel_tus:8.2", "package": "tigervnc-0:1.9.0-15.el8_2.1", "product_name": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service", "release_date": "2023-02-08T00:00:00Z"}, {"advisory": "RHSA-2023:0671", "cpe": "cpe:/a:redhat:rhel_e4s:8.2", "package": "tigervnc-0:1.9.0-15.el8_2.1", "product_name": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions", "release_date": "2023-02-08T00:00:00Z"}, {"advisory": "RHSA-2023:0664", "cpe": "cpe:/a:redhat:rhel_eus:8.4", "package": "tigervnc-0:1.11.0-8.el8_4.1", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2023-02-08T00:00:00Z"}, {"advisory": "RHSA-2023:0663", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "tigervnc-0:1.12.0-6.el8_6.1", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2023-02-08T00:00:00Z"}, {"advisory": "RHSA-2023:0622", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "tigervnc-0:1.12.0-5.el9_1.1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-02-07T00:00:00Z"}, {"advisory": "RHSA-2023:2248", "cpe": "cpe:/a:redhat:enterprise_linux:9", "impact": "moderate", "package": "xorg-x11-server-0:1.20.11-17.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}, {"advisory": "RHSA-2023:2249", "cpe": "cpe:/a:redhat:enterprise_linux:9", "impact": "moderate", "package": "xorg-x11-server-Xwayland-0:21.1.3-7.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}, {"advisory": "RHSA-2023:0623", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "tigervnc-0:1.11.0-22.el9_0.1", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-02-07T00:00:00Z"}], "bugzilla": {"description": "xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation", "id": "2165995", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2165995"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.", "A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions."], "name": "CVE-2023-0494", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "tigervnc", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "xorg-x11-server", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2023-02-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-0494\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-0494\nhttps://github.com/advisories/GHSA-5v6x-2hpj-c37x"], "statement": "Xorg server does not run with root privileges in Red Hat Enterprise Linux 8 and 9, therefore Red Hat Enterprise Linux 8 and 9 have been rated with Moderate severity.", "threat_severity": "Important", "upstream_fix": "xorg-server 21.1.7"}