github - ghsa-c4w7-m676-pcvp

ghsa-c4w7-m676-pcvp

Vulnerability from github

Published

2022-05-14 03:14

Modified

2025-04-20 03:30

Severity ?

9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

An exploitable heap overflow vulnerability exists in the Fiddle::Function.new "initialize" function functionality of Ruby. In Fiddle::Function.new "initialize" heap buffer "arg_types" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.

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{
  "affected": [],
  "aliases": [
    "CVE-2016-2339"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-01-06T21:59:00Z",
    "severity": "CRITICAL"
  },
  "details": "An exploitable heap overflow vulnerability exists in the Fiddle::Function.new \"initialize\" function functionality of Ruby. In Fiddle::Function.new \"initialize\" heap buffer \"arg_types\" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.",
  "id": "GHSA-c4w7-m676-pcvp",
  "modified": "2025-04-20T03:30:48Z",
  "published": "2022-05-14T03:14:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-2339"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/91234"
    },
    {
      "type": "WEB",
      "url": "http://www.talosintelligence.com/reports/TALOS-2016-0034"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2016-2339 (GCVE-0-2016-2339)

Vulnerability from cvelistv5

Published

2017-01-06 21:00

Modified

2024-08-05 23:24

Severity ?

CWE

heap overflow vulnerability

Summary

An exploitable heap overflow vulnerability exists in the Fiddle::Function.new "initialize" function functionality of Ruby. In Fiddle::Function.new "initialize" heap buffer "arg_types" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.

References

URL

Tags

	https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html	mailing-list, x_refsource_MLIST
	http://www.securityfocus.com/bid/91234	vdb-entry, x_refsource_BID
	http://www.talosintelligence.com/reports/TALOS-2016-0034/	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Ruby	Ruby	Version: 2.3.0 dev Version: 2.2.2

Show details on NVD website

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