GHSA-WWH8-Q557-397V

Vulnerability from github – Published: 2022-05-24 17:27 – Updated: 2022-05-24 17:27
VLAI?
Details

A Buffer Overflow vulnerability was found in src/symtab.c in GNU bison 3.7.1.1-cb7dc-dirty. A local attacker may execute bison with crafted input file redefining the EOF token, which could triggers Heap buffer overflow and thus cause system crash.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-24979"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-09-04T00:15:00Z",
    "severity": "LOW"
  },
  "details": "A Buffer Overflow vulnerability was found in src/symtab.c in GNU bison 3.7.1.1-cb7dc-dirty. A local attacker may execute bison with crafted input file redefining the EOF token, which could triggers Heap buffer overflow and thus cause system crash.",
  "id": "GHSA-wwh8-q557-397v",
  "modified": "2022-05-24T17:27:25Z",
  "published": "2022-05-24T17:27:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-24979"
    },
    {
      "type": "WEB",
      "url": "https://github.com/akimd/bison/commit/bfd851e2d621734886c66c0af26e861e718510b2"
    },
    {
      "type": "WEB",
      "url": "https://lists.gnu.org/r/bug-bison/2020-08/msg00008.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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  • 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.
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  • 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.