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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