Vulnerability-Lookup

CVE-2018-15862 (GCVE-0-2018-15862)

Vulnerability from cvelistv5 – Published: 2018-08-25 21:00 – Updated: 2024-08-05 10:10

Summary

Unchecked NULL pointer usage in LookupModMask in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file with invalid virtual modifiers.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

6 references

URL	Tags
https://security.gentoo.org/glsa/201810-05	vendor-advisoryx_refsource_GENTOO
https://lists.freedesktop.org/archives/wayland-de…	x_refsource_MISC
https://usn.ubuntu.com/3786-1/	vendor-advisoryx_refsource_UBUNTU
https://github.com/xkbcommon/libxkbcommon/commit/…	x_refsource_MISC
https://usn.ubuntu.com/3786-2/	vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2019:2079	vendor-advisoryx_refsource_REDHAT

Date Public

2018-08-25 00:00

Show details on NVD website

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  }
}

WID-SEC-W-2024-0021

Vulnerability from csaf_certbund - Published: 2019-08-06 22:00 - Updated: 2025-12-02 23:00

Summary

X.Org X11: Mehrere Schwachstellen ermöglichen Denial of Service

Severity

Mittel

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung: Das X Window System dient der Erzeugung grafischer Oberflächen auf Unix Systemen.

Angriff: Ein lokaler Angreifer kann mehrere Schwachstellen in X.Org ausnutzen, um einen Denial of Service Angriff durchzuführen.

Betroffene Betriebssysteme: - Linux - UNIX

CVE-2018-15853

Affected products

Known affected 5 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Open Source X.Org X11 Open Source	`cpe:/a:x:x.org_x11:-`	—
Open Source CentOS Open Source	`cpe:/o:centos:centos:-`	—
Red Hat Enterprise Linux 7 Red Hat / Enterprise Linux	`cpe:/o:redhat:enterprise_linux:7`	7
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—

CVE-2018-15854

Affected products

Known affected 5 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Open Source X.Org X11 Open Source	`cpe:/a:x:x.org_x11:-`	—
Open Source CentOS Open Source	`cpe:/o:centos:centos:-`	—
Red Hat Enterprise Linux 7 Red Hat / Enterprise Linux	`cpe:/o:redhat:enterprise_linux:7`	7
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—

CVE-2018-15855

Affected products

Known affected 5 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Open Source X.Org X11 Open Source	`cpe:/a:x:x.org_x11:-`	—
Open Source CentOS Open Source	`cpe:/o:centos:centos:-`	—
Red Hat Enterprise Linux 7 Red Hat / Enterprise Linux	`cpe:/o:redhat:enterprise_linux:7`	7
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—

CVE-2018-15856

Affected products

Known affected 5 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Open Source X.Org X11 Open Source	`cpe:/a:x:x.org_x11:-`	—
Open Source CentOS Open Source	`cpe:/o:centos:centos:-`	—
Red Hat Enterprise Linux 7 Red Hat / Enterprise Linux	`cpe:/o:redhat:enterprise_linux:7`	7
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—

CVE-2018-15857

Affected products

Known affected 5 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Open Source X.Org X11 Open Source	`cpe:/a:x:x.org_x11:-`	—
Open Source CentOS Open Source	`cpe:/o:centos:centos:-`	—
Red Hat Enterprise Linux 7 Red Hat / Enterprise Linux	`cpe:/o:redhat:enterprise_linux:7`	7
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—

CVE-2018-15859

Affected products

Known affected 5 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Open Source X.Org X11 Open Source	`cpe:/a:x:x.org_x11:-`	—
Open Source CentOS Open Source	`cpe:/o:centos:centos:-`	—
Red Hat Enterprise Linux 7 Red Hat / Enterprise Linux	`cpe:/o:redhat:enterprise_linux:7`	7
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—

CVE-2018-15861

Affected products

Known affected 5 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Open Source X.Org X11 Open Source	`cpe:/a:x:x.org_x11:-`	—
Open Source CentOS Open Source	`cpe:/o:centos:centos:-`	—
Red Hat Enterprise Linux 7 Red Hat / Enterprise Linux	`cpe:/o:redhat:enterprise_linux:7`	7
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—

CVE-2018-15862

Affected products

Known affected 5 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Open Source X.Org X11 Open Source	`cpe:/a:x:x.org_x11:-`	—
Open Source CentOS Open Source	`cpe:/o:centos:centos:-`	—
Red Hat Enterprise Linux 7 Red Hat / Enterprise Linux	`cpe:/o:redhat:enterprise_linux:7`	7
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—

CVE-2018-15863

Affected products

Known affected 5 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Open Source X.Org X11 Open Source	`cpe:/a:x:x.org_x11:-`	—
Open Source CentOS Open Source	`cpe:/o:centos:centos:-`	—
Red Hat Enterprise Linux 7 Red Hat / Enterprise Linux	`cpe:/o:redhat:enterprise_linux:7`	7
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—

CVE-2018-15864

Affected products

Known affected 5 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Open Source X.Org X11 Open Source	`cpe:/a:x:x.org_x11:-`	—
Open Source CentOS Open Source	`cpe:/o:centos:centos:-`	—
Red Hat Enterprise Linux 7 Red Hat / Enterprise Linux	`cpe:/o:redhat:enterprise_linux:7`	7
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—

References

7 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://access.redhat.com/errata/RHSA-2019:2079	external
http://centos-announce.2309468.n4.nabble.com/Cent…	external
https://lists.suse.com/pipermail/sle-security-upd…	external
https://bodhi.fedoraproject.org/updates/FEDORA-20…	external
https://bodhi.fedoraproject.org/updates/FEDORA-20…	external

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Das X Window System dient der Erzeugung grafischer Oberfl\u00e4chen auf Unix Systemen.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann mehrere Schwachstellen in X.Org ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- UNIX",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2024-0021 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2019/wid-sec-w-2024-0021.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2024-0021 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-0021"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2019:2079 vom 2019-08-06",
        "url": "https://access.redhat.com/errata/RHSA-2019:2079"
      },
      {
        "category": "external",
        "summary": "CentOS Security Advisory CESA-2019:2079 vom 2020-02-06",
        "url": "http://centos-announce.2309468.n4.nabble.com/CentOS-announce-CESA-2019-2079-Moderate-CentOS-7-xorg-x11-drv-ati-Security-Update-tp4645838.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0037-1 vom 2024-01-05",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-January/017591.html"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2025-3A9B79CA0E vom 2025-12-03",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2025-3a9b79ca0e"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2025-E110B32AC7 vom 2025-12-03",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2025-e110b32ac7"
      }
    ],
    "source_lang": "en-US",
    "title": "X.Org X11: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
    "tracking": {
      "current_release_date": "2025-12-02T23:00:00.000+00:00",
      "generator": {
        "date": "2025-12-03T08:02:13.574+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2024-0021",
      "initial_release_date": "2019-08-06T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2019-08-06T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2019-08-07T22:00:00.000+00:00",
          "number": "2",
          "summary": "Korrektur: Angriff nur lokal bzgl. gemeldeter CVE"
        },
        {
          "date": "2020-02-05T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von CentOS aufgenommen"
        },
        {
          "date": "2024-01-07T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2025-12-02T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Fedora aufgenommen"
        }
      ],
      "status": "final",
      "version": "5"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source CentOS",
            "product": {
              "name": "Open Source CentOS",
              "product_id": "1727",
              "product_identification_helper": {
                "cpe": "cpe:/o:centos:centos:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Open Source X.Org X11",
            "product": {
              "name": "Open Source X.Org X11",
              "product_id": "T001034",
              "product_identification_helper": {
                "cpe": "cpe:/a:x:x.org_x11:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "7",
                "product": {
                  "name": "Red Hat Enterprise Linux 7",
                  "product_id": "T006054",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:enterprise_linux:7"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Enterprise Linux"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2018-15853",
      "product_status": {
        "known_affected": [
          "T002207",
          "T001034",
          "1727",
          "T006054",
          "74185"
        ]
      },
      "release_date": "2019-08-06T22:00:00.000+00:00",
      "title": "CVE-2018-15853"
    },
    {
      "cve": "CVE-2018-15854",
      "product_status": {
        "known_affected": [
          "T002207",
          "T001034",
          "1727",
          "T006054",
          "74185"
        ]
      },
      "release_date": "2019-08-06T22:00:00.000+00:00",
      "title": "CVE-2018-15854"
    },
    {
      "cve": "CVE-2018-15855",
      "product_status": {
        "known_affected": [
          "T002207",
          "T001034",
          "1727",
          "T006054",
          "74185"
        ]
      },
      "release_date": "2019-08-06T22:00:00.000+00:00",
      "title": "CVE-2018-15855"
    },
    {
      "cve": "CVE-2018-15856",
      "product_status": {
        "known_affected": [
          "T002207",
          "T001034",
          "1727",
          "T006054",
          "74185"
        ]
      },
      "release_date": "2019-08-06T22:00:00.000+00:00",
      "title": "CVE-2018-15856"
    },
    {
      "cve": "CVE-2018-15857",
      "product_status": {
        "known_affected": [
          "T002207",
          "T001034",
          "1727",
          "T006054",
          "74185"
        ]
      },
      "release_date": "2019-08-06T22:00:00.000+00:00",
      "title": "CVE-2018-15857"
    },
    {
      "cve": "CVE-2018-15859",
      "product_status": {
        "known_affected": [
          "T002207",
          "T001034",
          "1727",
          "T006054",
          "74185"
        ]
      },
      "release_date": "2019-08-06T22:00:00.000+00:00",
      "title": "CVE-2018-15859"
    },
    {
      "cve": "CVE-2018-15861",
      "product_status": {
        "known_affected": [
          "T002207",
          "T001034",
          "1727",
          "T006054",
          "74185"
        ]
      },
      "release_date": "2019-08-06T22:00:00.000+00:00",
      "title": "CVE-2018-15861"
    },
    {
      "cve": "CVE-2018-15862",
      "product_status": {
        "known_affected": [
          "T002207",
          "T001034",
          "1727",
          "T006054",
          "74185"
        ]
      },
      "release_date": "2019-08-06T22:00:00.000+00:00",
      "title": "CVE-2018-15862"
    },
    {
      "cve": "CVE-2018-15863",
      "product_status": {
        "known_affected": [
          "T002207",
          "T001034",
          "1727",
          "T006054",
          "74185"
        ]
      },
      "release_date": "2019-08-06T22:00:00.000+00:00",
      "title": "CVE-2018-15863"
    },
    {
      "cve": "CVE-2018-15864",
      "product_status": {
        "known_affected": [
          "T002207",
          "T001034",
          "1727",
          "T006054",
          "74185"
        ]
      },
      "release_date": "2019-08-06T22:00:00.000+00:00",
      "title": "CVE-2018-15864"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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.

Action not permitted

CVE-2018-15862 (GCVE-0-2018-15862)

WID-SEC-W-2024-0021

Tags

Sightings

Nomenclature