gsd-2018-16888
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field set in the service file), a local attacker who is able to write to the PIDFile of the mentioned service may use this flaw to trick systemd into killing other services and/or privileged processes. Versions before v237 are vulnerable.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2018-16888", "description": "It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field set in the service file), a local attacker who is able to write to the PIDFile of the mentioned service may use this flaw to trick systemd into killing other services and/or privileged processes. Versions before v237 are vulnerable.", "id": "GSD-2018-16888", "references": [ "https://www.suse.com/security/cve/CVE-2018-16888.html", "https://access.redhat.com/errata/RHBA-2020:0547", "https://access.redhat.com/errata/RHSA-2019:2091", "https://ubuntu.com/security/CVE-2018-16888", "https://linux.oracle.com/cve/CVE-2018-16888.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2018-16888" ], "details": "It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field set in the service file), a local attacker who is able to write to the PIDFile of the mentioned service may use this flaw to trick systemd into killing other services and/or privileged processes. Versions before v237 are vulnerable.", "id": "GSD-2018-16888", "modified": "2023-12-13T01:22:26.075213Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2018-16888", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "systemd", "version": { "version_data": [ { "version_value": "v237" } ] } } ] }, "vendor_name": "The systemd Project" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field set in the service file), a local attacker who is able to write to the PIDFile of the mentioned service may use this flaw to trick systemd into killing other services and/or privileged processes. Versions before v237 are vulnerable." } ] }, "impact": { "cvss": [ [ { "vectorString": "4.4/CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H", "version": "3.0" } ] ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-250" } ] } ] }, "references": { "reference_data": [ { "name": "https://security.netapp.com/advisory/ntap-20190307-0007/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20190307-0007/" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16888", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16888" }, { "name": "RHSA-2019:2091", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2019:2091" }, { "name": "[cassandra-user] 20190809 cassandra does not start with new systemd version", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/5960a34a524848cd722fd7ab7e2227eac10107b0f90d9d1e9c3caa74@%3Cuser.cassandra.apache.org%3E" }, { "name": "USN-4269-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4269-1/" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "237", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:netapp:active_iq_performance_analytics_services:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2018-16888" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field set in the service file), a local attacker who is able to write to the PIDFile of the mentioned service may use this flaw to trick systemd into killing other services and/or privileged processes. Versions before v237 are vulnerable." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-269" } ] } ] }, "references": { "reference_data": [ { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16888", "refsource": "CONFIRM", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16888" }, { "name": "https://security.netapp.com/advisory/ntap-20190307-0007/", "refsource": "CONFIRM", "tags": [ "Third Party Advisory" ], "url": "https://security.netapp.com/advisory/ntap-20190307-0007/" }, { "name": "RHSA-2019:2091", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:2091" }, { "name": "[cassandra-user] 20190809 cassandra does not start with new systemd version", "refsource": "MLIST", "tags": [ "Third Party Advisory" ], "url": "https://lists.apache.org/thread.html/5960a34a524848cd722fd7ab7e2227eac10107b0f90d9d1e9c3caa74@%3Cuser.cassandra.apache.org%3E" }, { "name": "USN-4269-1", "refsource": "UBUNTU", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/4269-1/" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 1.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 3.4, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "LOW", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 1.0, "impactScore": 3.6 } }, "lastModifiedDate": "2022-01-31T18:37Z", "publishedDate": "2019-01-14T22:29Z" } } }
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Sightings
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.