gsd-2019-15718
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
In systemd 240, bus_open_system_watch_bind_with_description in shared/bus-util.c (as used by systemd-resolved to connect to the system D-Bus instance), calls sd_bus_set_trusted, which disables access controls for incoming D-Bus messages. An unprivileged user can exploit this by executing D-Bus methods that should be restricted to privileged users, in order to change the system's DNS resolver settings.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2019-15718",
"description": "In systemd 240, bus_open_system_watch_bind_with_description in shared/bus-util.c (as used by systemd-resolved to connect to the system D-Bus instance), calls sd_bus_set_trusted, which disables access controls for incoming D-Bus messages. An unprivileged user can exploit this by executing D-Bus methods that should be restricted to privileged users, in order to change the system\u0027s DNS resolver settings.",
"id": "GSD-2019-15718",
"references": [
"https://www.suse.com/security/cve/CVE-2019-15718.html",
"https://access.redhat.com/errata/RHSA-2019:3941",
"https://access.redhat.com/errata/RHSA-2019:3592",
"https://ubuntu.com/security/CVE-2019-15718",
"https://advisories.mageia.org/CVE-2019-15718.html",
"https://security.archlinux.org/CVE-2019-15718",
"https://linux.oracle.com/cve/CVE-2019-15718.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
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"id": "GSD-2019-15718",
"modified": "2023-12-13T01:23:38.391371Z",
"schema_version": "1.4.0"
}
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"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 3.6,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "LOW",
"userInteractionRequired": false
},
"baseMetricV3": {
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"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 4.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
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"exploitabilityScore": 1.8,
"impactScore": 2.5
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},
"lastModifiedDate": "2022-02-20T06:15Z",
"publishedDate": "2019-09-04T12:15Z"
}
}
}
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