Vulnerability-Lookup

GHSA-C3HW-XWC7-5XGW

Vulnerability from github – Published: 2022-05-14 00:54 – Updated: 2022-05-14 00:54

Details

Unchecked NULL pointer usage in ExprResolveLhs 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 that triggers an xkb_intern_atom failure.

Severity

5.5 (Medium)


                  
                    CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2018-15861"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-08-25T21:29:00Z",
    "severity": "MODERATE"
  },
  "details": "Unchecked NULL pointer usage in ExprResolveLhs 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 that triggers an xkb_intern_atom failure.",
  "id": "GHSA-c3hw-xwc7-5xgw",
  "modified": "2022-05-14T00:54:57Z",
  "published": "2022-05-14T00:54:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-15861"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xkbcommon/libxkbcommon/commit/38e1766bc6e20108948aec8a0b222a4bad0254e9"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2019:2079"
    },
    {
      "type": "WEB",
      "url": "https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201810-05"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3786-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3786-2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2018-15861 (GCVE-0-2018-15861)

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

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2316 records in the last 180 days details

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

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JSON

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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.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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