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This issue may lead to an application crash or, in some circumstances, remote code execution in SSH X11 forwarding environments."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-122", "description": "Heap-based Buffer Overflow"}]}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2024-11-23T02:52:49.874Z"}, "x_redhatCweChain": "CWE-122: Heap-based Buffer Overflow"}}, "cveMetadata": {"cveId": "CVE-2024-21886", "state": "PUBLISHED", "dateUpdated": "2024-11-23T02:52:49.874Z", "dateReserved": "2024-01-02T21:57:08.796Z", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "datePublished": "2024-02-28T12:13:12.555Z", "assignerShortName": "redhat"}, "dataVersion": "5.1"}

{"descriptions": [{"lang": "en", "value": "A heap buffer overflow flaw was found in the DisableDevice function in the X.Org server. This issue may lead to an application crash or, in some circumstances, remote code execution in SSH X11 forwarding environments."}, {"lang": "es", "value": "Se encontr\u00f3 una falla de desbordamiento de b\u00fafer de almacenamiento din\u00e1mico en la funci\u00f3n DisableDevice en el servidor X.Org. Este problema puede provocar un bloqueo de la aplicaci\u00f3n o, en algunas circunstancias, la ejecuci\u00f3n remota de c\u00f3digo en entornos de reenv\u00edo SSH X11."}], "id": "CVE-2024-21886", "lastModified": "2024-11-21T08:55:11.603", "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": "2024-02-28T13:15:08.440", "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-2024-21886"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2256542"}, {"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-2024-21886"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2256542"}], "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 DisableDevice", "id": "2256542", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2256542"}, "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 heap buffer overflow flaw was found in the DisableDevice function in the X.Org server. This issue may lead to an application crash or, in some circumstances, remote code execution in SSH X11 forwarding environments.", "A heap buffer overflow flaw was found in the DisableDevice function in the X.Org server. This issue may lead to an application crash or, in some circumstances, 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-2024-21886", "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-2024-21886\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-21886"], "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"}