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{"descriptions": [{"lang": "en", "value": "A flaw was found in X.Org server. In the XISendDeviceHierarchyEvent function, it is possible to exceed the allocated array length when certain new device IDs are added to the xXIHierarchyInfo struct. This can trigger a heap buffer overflow condition, which may lead to an application crash or remote code execution in SSH X11 forwarding environments."}, {"lang": "es", "value": "Se encontr\u00f3 una falla en el servidor X.Org. En la funci\u00f3n XISendDeviceHierarchyEvent, es posible exceder la longitud de la matriz asignada cuando se agregan ciertos ID de dispositivo nuevos a la estructura xXIHierarchyInfo. Esto puede desencadenar una condici\u00f3n de desbordamiento de b\u00fafer de almacenamiento din\u00e1mico, lo que puede provocar un bloqueo de la aplicaci\u00f3n o la ejecuci\u00f3n remota de c\u00f3digo en entornos de reenv\u00edo SSH X11."}], "id": "CVE-2024-21885", "lastModified": "2024-11-21T08:55:11.417", "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": "secalert@redhat.com", "type": "Secondary"}]}, "published": "2024-02-28T13:15:08.197", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:0320"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:0557"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:0558"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:0597"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:0607"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:0614"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:0617"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:0621"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:0626"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:0629"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:2169"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:2170"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:2995"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:2996"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2024-21885"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2256540"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:0320"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:0557"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:0558"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:0597"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:0607"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:0614"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:0617"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:0621"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:0626"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:0629"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:2169"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:2170"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:2995"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:2996"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/security/cve/CVE-2024-21885"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2256540"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20240503-0004/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Jan-Niklas Sohn (Trend Micro Zero Day Initiative) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2024:0320", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "xorg-x11-server-0:1.20.4-27.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2024-01-22T00:00:00Z"}, {"advisory": "RHSA-2024:0629", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "tigervnc-0:1.8.0-31.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2024-01-31T00:00:00Z"}, {"advisory": "RHSA-2024:0607", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "tigervnc-0:1.13.1-2.el8_9.7", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-01-30T00:00:00Z"}, {"advisory": "RHSA-2024:2995", "cpe": "cpe:/a:redhat:enterprise_linux:8", "impact": "moderate", "package": "xorg-x11-server-0:1.20.11-22.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-05-22T00:00:00Z"}, {"advisory": "RHSA-2024:2996", "cpe": "cpe:/a:redhat:enterprise_linux:8", "impact": "moderate", "package": "xorg-x11-server-Xwayland-0:21.1.3-15.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-05-22T00:00:00Z"}, {"advisory": "RHSA-2024:0617", "cpe": "cpe:/a:redhat:rhel_aus:8.2", "package": "tigervnc-0:1.9.0-15.el8_2.9", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2024-01-31T00:00:00Z"}, {"advisory": "RHSA-2024:0617", "cpe": "cpe:/a:redhat:rhel_tus:8.2", "package": "tigervnc-0:1.9.0-15.el8_2.9", "product_name": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service", "release_date": "2024-01-31T00:00:00Z"}, {"advisory": "RHSA-2024:0617", "cpe": "cpe:/a:redhat:rhel_e4s:8.2", "package": "tigervnc-0:1.9.0-15.el8_2.9", "product_name": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions", "release_date": "2024-01-31T00:00:00Z"}, {"advisory": "RHSA-2024:0558", "cpe": "cpe:/a:redhat:rhel_aus:8.4", "package": "tigervnc-0:1.11.0-8.el8_4.8", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2024-01-30T00:00:00Z"}, {"advisory": "RHSA-2024:0558", "cpe": "cpe:/a:redhat:rhel_tus:8.4", "package": "tigervnc-0:1.11.0-8.el8_4.8", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2024-01-30T00:00:00Z"}, {"advisory": "RHSA-2024:0558", "cpe": "cpe:/a:redhat:rhel_e4s:8.4", "package": "tigervnc-0:1.11.0-8.el8_4.8", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2024-01-30T00:00:00Z"}, {"advisory": "RHSA-2024:0621", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "tigervnc-0:1.12.0-6.el8_6.9", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-01-30T00:00:00Z"}, {"advisory": "RHSA-2024:0597", "cpe": "cpe:/a:redhat:rhel_eus:8.8", "package": "tigervnc-0:1.12.0-15.el8_8.7", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-01-30T00:00:00Z"}, {"advisory": "RHSA-2024:0557", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "tigervnc-0:1.13.1-3.el9_3.6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-01-30T00:00:00Z"}, {"advisory": "RHSA-2024:2169", "cpe": "cpe:/a:redhat:enterprise_linux:9", "impact": "moderate", "package": "xorg-x11-server-0:1.20.11-24.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}, {"advisory": "RHSA-2024:2170", "cpe": "cpe:/a:redhat:enterprise_linux:9", "impact": "moderate", "package": "xorg-x11-server-Xwayland-0:22.1.9-5.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}, {"advisory": "RHSA-2024:0614", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "tigervnc-0:1.11.0-22.el9_0.8", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2024-01-30T00:00:00Z"}, {"advisory": "RHSA-2024:0626", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "tigervnc-0:1.12.0-14.el9_2.5", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-01-31T00:00:00Z"}], "bugzilla": {"description": "xorg-x11-server: heap buffer overflow in XISendDeviceHierarchyEvent", "id": "2256540", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2256540"}, "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-122", "details": ["A flaw was found in X.Org server. In the XISendDeviceHierarchyEvent function, it is possible to exceed the allocated array length when certain new device IDs are added to the xXIHierarchyInfo struct. This can trigger a heap buffer overflow condition, which may lead to an application crash or remote code execution in SSH X11 forwarding environments.", "A flaw was found in X.Org server. In the XISendDeviceHierarchyEvent function, it is possible to exceed the allocated array length when certain new device IDs are added to the xXIHierarchyInfo struct. This can trigger a heap buffer overflow condition, which may lead to an application crash or remote code execution in SSH X11 forwarding environments."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2024-21885", "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": "2024-01-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-21885\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-21885"], "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 a moderate severity.", "threat_severity": "Important", "upstream_fix": "xorg-server 21.1.11, xwayland 23.2.4"}