github - ghsa-c3cw-c387-pj65

ghsa-c3cw-c387-pj65

Vulnerability from github

Published

2021-08-25 20:43

Modified

2023-06-13 17:11

Severity ?

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

Summary

Double free in crossbeam

Details

Even if an element is popped from a queue, crossbeam would run its destructor inside the epoch-based garbage collector. This is a source of double frees.

The flaw was corrected by wrapping elements inside queues in a ManuallyDrop.

Show details on source website

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{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "crossbeam"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.4.0"
            },
            {
              "fixed": "0.4.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2018-20996"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-415"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-08-19T21:24:34Z",
    "nvd_published_at": "2019-08-26T18:15:11Z",
    "severity": "CRITICAL"
  },
  "details": "Even if an element is popped from a queue, crossbeam would run its destructor inside the epoch-based garbage collector. This is a source of double frees.\n\nThe flaw was corrected by wrapping elements inside queues in a ManuallyDrop.",
  "id": "GHSA-c3cw-c387-pj65",
  "modified": "2023-06-13T17:11:24Z",
  "published": "2021-08-25T20:43:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-20996"
    },
    {
      "type": "WEB",
      "url": "https://github.com/crossbeam-rs/crossbeam-epoch/issues/82"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/crossbeam-rs/crossbeam-epoch"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2018-0009.html"
    }
  ],
  "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"
    }
  ],
  "summary": "Double free in crossbeam"
}

CVE-2018-20996 (GCVE-0-2018-20996)

Vulnerability from cvelistv5

Published

2019-08-26 17:13

Modified

2024-08-05 12:19

Severity ?

CWE

n/a

Summary

An issue was discovered in the crossbeam crate before 0.4.1 for Rust. There is a double free because of destructor mishandling.

References

►

URL

Tags

https://rustsec.org/advisories/RUSTSEC-2018-0009.html

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

To clipboard

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              "x_transferred"
            ],
            "url": "https://rustsec.org/advisories/RUSTSEC-2018-0009.html"
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        ],
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}

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