CVE-2020-12049

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2020-12049", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-04T11:48:57.950Z", "dateReserved": "2020-04-21T00:00:00.000Z", "datePublished": "2020-06-08T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-06-12T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "An issue was discovered in dbus >= 1.3.0 before 1.12.18. The DBusServer in libdbus, as used in dbus-daemon, leaks file descriptors when a message exceeds the per-message file descriptor limit. A local attacker with access to the D-Bus system bus or another system service's private AF_UNIX socket could use this to make the system service reach its file descriptor limit, denying service to subsequent D-Bus clients."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://gitlab.freedesktop.org/dbus/dbus/-/issues/294"}, {"url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.13.16"}, {"url": "http://www.openwall.com/lists/oss-security/2020/06/04/3"}, {"url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.12.18"}, {"url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.10.30"}, {"name": "USN-4398-1", "tags": ["vendor-advisory"], "url": "https://usn.ubuntu.com/4398-1/"}, {"name": "USN-4398-2", "tags": ["vendor-advisory"], "url": "https://usn.ubuntu.com/4398-2/"}, {"name": "GLSA-202007-46", "tags": ["vendor-advisory"], "url": "https://security.gentoo.org/glsa/202007-46"}, {"url": "https://securitylab.github.com/advisories/GHSL-2020-057-DBus-DoS-file-descriptor-leak"}, {"url": "http://packetstormsecurity.com/files/172840/D-Bus-File-Descriptor-Leak-Denial-Of-Service.html"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T11:48:57.950Z"}, "title": "CVE Program Container", "references": [{"url": "https://gitlab.freedesktop.org/dbus/dbus/-/issues/294", "tags": ["x_transferred"]}, {"url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.13.16", "tags": ["x_transferred"]}, {"url": "http://www.openwall.com/lists/oss-security/2020/06/04/3", "tags": ["x_transferred"]}, {"url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.12.18", "tags": ["x_transferred"]}, {"url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.10.30", "tags": ["x_transferred"]}, {"name": "USN-4398-1", "tags": ["vendor-advisory", "x_transferred"], "url": "https://usn.ubuntu.com/4398-1/"}, {"name": "USN-4398-2", "tags": ["vendor-advisory", "x_transferred"], "url": "https://usn.ubuntu.com/4398-2/"}, {"name": "GLSA-202007-46", "tags": ["vendor-advisory", "x_transferred"], "url": "https://security.gentoo.org/glsa/202007-46"}, {"url": "https://securitylab.github.com/advisories/GHSL-2020-057-DBus-DoS-file-descriptor-leak", "tags": ["x_transferred"]}, {"url": "http://packetstormsecurity.com/files/172840/D-Bus-File-Descriptor-Leak-Denial-Of-Service.html", "tags": ["x_transferred"]}]}]}}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:freedesktop:dbus:*:*:*:*:*:*:*:*", "matchCriteriaId": "4DAA98B8-A6E1-4233-9A80-7963ED2FBC01", "versionEndExcluding": "1.12.18", "versionStartIncluding": "1.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:*:*:*:*", "matchCriteriaId": "1F3EFED2-F6BC-46D9-AB22-D5ED87EF4549", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*", "matchCriteriaId": "815D70A8-47D3-459C-A32C-9FEACA0659D1", "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}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*", "matchCriteriaId": "A31C8344-3E02-4EB8-8BD8-4C84B7959624", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*", "matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in dbus >= 1.3.0 before 1.12.18. The DBusServer in libdbus, as used in dbus-daemon, leaks file descriptors when a message exceeds the per-message file descriptor limit. A local attacker with access to the D-Bus system bus or another system service's private AF_UNIX socket could use this to make the system service reach its file descriptor limit, denying service to subsequent D-Bus clients."}, {"lang": "es", "value": "Se detect\u00f3 un problema en dbus versiones posteriores a 1.3.0 e incluy\u00e9ndola y anteriores a 1.12.18. El DBusServer en libdbus, como es usado en dbus-daemon, filtra los descriptores de archivo cuando un mensaje excede el l\u00edmite del descriptor de archivo por mensaje. Un atacante local con acceso al bus del sistema D-Bus o al socket AF_UNIX privado de otro servicio del sistema podr\u00eda utilizar esto para hacer que el servicio del sistema alcance su l\u00edmite del descriptor de archivos, negando el servicio a los clientes posteriores de D-Bus"}], "id": "CVE-2020-12049", "lastModified": "2026-06-17T02:51:20.643", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-06-08T17:15:09.910", "references": [{"source": "cve@mitre.org", "url": "http://packetstormsecurity.com/files/172840/D-Bus-File-Descriptor-Leak-Denial-Of-Service.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/06/04/3"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://gitlab.freedesktop.org/dbus/dbus/-/issues/294"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.10.30"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.12.18"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.13.16"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202007-46"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://securitylab.github.com/advisories/GHSL-2020-057-DBus-DoS-file-descriptor-leak"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4398-1/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4398-2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://packetstormsecurity.com/files/172840/D-Bus-File-Descriptor-Leak-Denial-Of-Service.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/06/04/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://gitlab.freedesktop.org/dbus/dbus/-/issues/294"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.10.30"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.12.18"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.13.16"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202007-46"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://securitylab.github.com/advisories/GHSL-2020-057-DBus-DoS-file-descriptor-leak"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4398-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4398-2/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-404"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2020:2894", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "dbus-1:1.10.24-14.el7_8", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-07-13T00:00:00Z"}, {"advisory": "RHSA-2020:3014", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dbus-1:1.12.8-10.el8_2", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-07-21T00:00:00Z"}, {"advisory": "RHSA-2020:3014", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "dbus-1:1.12.8-10.el8_2", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-07-21T00:00:00Z"}, {"advisory": "RHSA-2020:3044", "cpe": "cpe:/a:redhat:rhel_e4s:8.0", "package": "dbus-1:1.12.8-8.el8_0", "product_name": "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions", "release_date": "2020-07-21T00:00:00Z"}, {"advisory": "RHSA-2020:3298", "cpe": "cpe:/a:redhat:rhel_eus:8.1", "package": "dbus-1:1.12.8-10.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2020-08-04T00:00:00Z"}], "bugzilla": {"description": "dbus: denial of service via file descriptor leak", "id": "1849041", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1849041"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-400", "details": ["An issue was discovered in dbus >= 1.3.0 before 1.12.18. The DBusServer in libdbus, as used in dbus-daemon, leaks file descriptors when a message exceeds the per-message file descriptor limit. A local attacker with access to the D-Bus system bus or another system service's private AF_UNIX socket could use this to make the system service reach its file descriptor limit, denying service to subsequent D-Bus clients.", "An uncontrolled resource consumption vulnerability was discovered in D-Bus. The DBusServer leaks file descriptors when a message exceeds the per-message file descriptor limit. This flaw allows a local attacker with access to the D-Bus system bus or another system service's private AF_UNIX socket, to make the system service reach its file descriptor limit, denying service to subsequent D-Bus clients. As a result, the system may become unusable for other users, and some services may stop working. The highest threat from this vulnerability is to system availability."], "name": "CVE-2020-12049", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "dbus", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "dbus", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2020-06-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-12049\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-12049"], "statement": "This issue did not affect the versions of dbus as shipped with Red Hat Enterprise Linux 5, and 6 as they did not include the vulnerable code.", "threat_severity": "Important"}

{}