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"
      ],
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      "id": "GSD-2020-1712",
      "modified": "2023-12-13T01:21:58.898993Z",
      "schema_version": "1.4.0"
    }
  },
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          }
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    },
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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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