gsd-2020-1712
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
A heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous Polkit queries are performed while handling dbus messages. A local unprivileged attacker can abuse this flaw to crash systemd services or potentially execute code and elevate their privileges, by sending specially crafted dbus messages.
Aliases
Aliases
CVE-2020-1712


To clipboard 

{
   GSD: {
      alias: "CVE-2020-1712",
      description: "A heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous Polkit queries are performed while handling dbus messages. A local unprivileged attacker can abuse this flaw to crash systemd services or potentially execute code and elevate their privileges, by sending specially crafted dbus messages.",
      id: "GSD-2020-1712",
      references: [
         "https://www.suse.com/security/cve/CVE-2020-1712.html",
         "https://access.redhat.com/errata/RHSA-2020:0575",
         "https://access.redhat.com/errata/RHSA-2020:0564",
         "https://ubuntu.com/security/CVE-2020-1712",
         "https://advisories.mageia.org/CVE-2020-1712.html",
         "https://security.archlinux.org/CVE-2020-1712",
         "https://linux.oracle.com/cve/CVE-2020-1712.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2020-1712",
         ],
         details: "A heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous Polkit queries are performed while handling dbus messages. A local unprivileged attacker can abuse this flaw to crash systemd services or potentially execute code and elevate their privileges, by sending specially crafted dbus messages.",
         id: "GSD-2020-1712",
         modified: "2023-12-13T01:21:58.898993Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
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            ID: "CVE-2020-1712",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "systemd",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "before v245-rc1",
                                    },
                                 ],
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               },
            ],
         },
         impact: {
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               },
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      },
      "nvd.nist.gov": {
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         cve: {
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               ID: "CVE-2020-1712",
            },
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                     url: "https://lists.debian.org/debian-lts-announce/2022/06/msg00025.html",
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         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "LOW",
                  accessVector: "LOCAL",
                  authentication: "NONE",
                  availabilityImpact: "PARTIAL",
                  baseScore: 4.6,
                  confidentialityImpact: "PARTIAL",
                  integrityImpact: "PARTIAL",
                  vectorString: "AV:L/AC:L/Au:N/C:P/I:P/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 3.9,
               impactScore: 6.4,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  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,
            },
         },
         lastModifiedDate: "2022-11-29T16:25Z",
         publishedDate: "2020-03-31T17:15Z",
      },
   },
}


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