GHSA-C34F-6CMX-FCVV

Vulnerability from github – Published: 2022-05-13 01:31 – Updated: 2025-08-29 15:30
VLAI?
Details

A flaw was found in xorg-x11-server before 1.20.3. An incorrect permission check for -modulepath and -logfile options when starting Xorg. X server allows unprivileged users with the ability to log in to the system via physical console to escalate their privileges and run arbitrary code under root privileges.

Severity ?
6.6 (Medium)
CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2018-14665"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-10-25T20:29:00Z",
    "severity": "HIGH"
  },
  "details": "A flaw was found in xorg-x11-server before 1.20.3. An incorrect permission check for -modulepath and -logfile options when starting Xorg. X server allows unprivileged users with the ability to log in to the system via physical console to escalate their privileges and run arbitrary code under root privileges.",
  "id": "GHSA-c34f-6cmx-fcvv",
  "modified": "2025-08-29T15:30:37Z",
  "published": "2022-05-13T01:31:03Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-14665"
    },
    {
      "type": "WEB",
      "url": "https://www.securepatterns.com/2018/10/cve-2018-14665-xorg-x-server.html"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/46142"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/45938"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/45922"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/45908"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/45832"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/45742"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/45697"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4328"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3802-1"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201810-09"
    },
    {
      "type": "WEB",
      "url": "https://lists.x.org/archives/xorg-announce/2018-October/002927.html"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.freedesktop.org/xorg/xserver/commit/8a59e3b7dbb30532a7c3769c555e00d7c4301170"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.freedesktop.org/xorg/xserver/commit/50c0cf885a6e91c0ea71fb49fa8f1b7c86fe330e"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14665"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2018:3410"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/154942/Xorg-X11-Server-SUID-modulepath-Privilege-Escalation.html"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/155276/Xorg-X11-Server-Local-Privilege-Escalation.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/105741"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1041948"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.