ghsa-wggx-8wf7-vg3g
Vulnerability from github
Published
2022-05-24 17:12
Modified
2022-07-01 00:01
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.

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{
   affected: [],
   aliases: [
      "CVE-2020-1712",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-416",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2020-03-31T17:15:00Z",
      severity: "MODERATE",
   },
   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: "GHSA-wggx-8wf7-vg3g",
   modified: "2022-07-01T00:01:11Z",
   published: "2022-05-24T17:12:59Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2020-1712",
      },
      {
         type: "WEB",
         url: "https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54",
      },
      {
         type: "WEB",
         url: "https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb",
      },
      {
         type: "WEB",
         url: "https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d",
      },
      {
         type: "WEB",
         url: "https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2",
      },
      {
         type: "WEB",
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712",
      },
      {
         type: "WEB",
         url: "https://lists.debian.org/debian-lts-announce/2022/06/msg00025.html",
      },
      {
         type: "WEB",
         url: "https://www.openwall.com/lists/oss-security/2020/02/05/1",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
         type: "CVSS_V3",
      },
   ],
}


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