Vulnerability-Lookup

RUSTSEC-2021-0114 (CVE-2021-45705)

Vulnerability from osv_rustsec – Published: 2021-09-23 12:00 – Updated: 2023-06-13 13:10 – Source website

Summary

Aliased mutable references from `tls_rand` & `TlsWyRand`

Details

TlsWyRand's implementation of Deref unconditionally dereferences a raw pointer, and returns multiple mutable references to the same object, which is undefined behavior.

References

URL

Type

	https://crates.io/crates/nanorand	PACKAGE
	https://rustsec.org/advisories/RUSTSEC-2021-0114.html	ADVISORY
	https://github.com/Absolucy/nanorand-rs/issues/28	REPORT

JSON

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{
  "affected": [
    {
      "database_specific": {
        "categories": [],
        "cvss": null,
        "informational": null
      },
      "ecosystem_specific": {
        "affected_functions": null,
        "affects": {
          "arch": [],
          "functions": [
            "nanorand::tls::tls_rand"
          ],
          "os": []
        }
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "nanorand",
        "purl": "pkg:cargo/nanorand"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.5.0"
            },
            {
              "fixed": "0.6.1"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [
    "CVE-2021-45705",
    "GHSA-p6gj-gpc8-f8xw",
    "GHSA-r57r-j98g-587f"
  ],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "`TlsWyRand`\u0027s implementation of `Deref` unconditionally dereferences a raw pointer, and returns \nmultiple mutable references to the same object, which is undefined behavior.",
  "id": "RUSTSEC-2021-0114",
  "modified": "2023-06-13T13:10:24Z",
  "published": "2021-09-23T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/nanorand"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0114.html"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/Absolucy/nanorand-rs/issues/28"
    }
  ],
  "related": [],
  "severity": [],
  "summary": "Aliased mutable references from `tls_rand` \u0026 `TlsWyRand`"
}

CVE-2021-45705 (GCVE-0-2021-45705)

Vulnerability from cvelistv5 – Published: 2021-12-26 21:48 – Updated: 2024-08-04 04:47

Summary

An issue was discovered in the nanorand crate before 0.6.1 for Rust. There can be multiple mutable references to the same object because the TlsWyRand Deref implementation dereferences a raw pointer.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2338 records in the last 180 days details

References

2 references

URL	Tags
https://rustsec.org/advisories/RUSTSEC-2021-0114.html	x_refsource_MISC
https://raw.githubusercontent.com/rustsec/advisor…	x_refsource_MISC

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T04:47:02.351Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://rustsec.org/advisories/RUSTSEC-2021-0114.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/nanorand/RUSTSEC-2021-0114.md"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in the nanorand crate before 0.6.1 for Rust. There can be multiple mutable references to the same object because the TlsWyRand Deref implementation dereferences a raw pointer."
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-12-26T21:48:21.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://rustsec.org/advisories/RUSTSEC-2021-0114.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/nanorand/RUSTSEC-2021-0114.md"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-45705",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
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                      }
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        "data_version": "4.0",
        "description": {
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        "problemtype": {
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            {
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                  "lang": "eng",
                  "value": "n/a"
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        },
        "references": {
          "reference_data": [
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              "name": "https://rustsec.org/advisories/RUSTSEC-2021-0114.html",
              "refsource": "MISC",
              "url": "https://rustsec.org/advisories/RUSTSEC-2021-0114.html"
            },
            {
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-45705",
    "datePublished": "2021-12-26T21:48:21.000Z",
    "dateReserved": "2021-12-26T00:00:00.000Z",
    "dateUpdated": "2024-08-04T04:47:02.351Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

GHSA-P6GJ-GPC8-F8XW

Vulnerability from github – Published: 2022-06-17 00:13 – Updated: 2022-06-17 00:13

Summary

Aliased mutable references from `tls_rand` & `TlsWyRand`

Details

TlsWyRand's implementation of Deref unconditionally dereferences a raw pointer, and returns multiple mutable references to the same object, which is undefined behavior.

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "nanorand"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.5.0"
            },
            {
              "fixed": "0.6.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2022-06-17T00:13:24Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "`TlsWyRand`\u0027s implementation of `Deref` unconditionally dereferences a raw pointer, and returns \nmultiple mutable references to the same object, which is undefined behavior.\n",
  "id": "GHSA-p6gj-gpc8-f8xw",
  "modified": "2022-06-17T00:13:24Z",
  "published": "2022-06-17T00:13:24Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/Absolucy/nanorand-rs/issues/28"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Absolucy/nanorand-rs"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0114.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Aliased mutable references from `tls_rand` \u0026 `TlsWyRand`"
}

GHSA-R57R-J98G-587F

Vulnerability from github – Published: 2022-01-06 22:08 – Updated: 2022-01-07 18:29

Summary

Pointer dereference in nanorand

Details

An issue was discovered in the nanorand crate before 0.6.1 for Rust. There can be multiple mutable references to the same object because the TlsWyRand Deref implementation dereferences a raw pointer.

Severity

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "nanorand"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.5.0"
            },
            {
              "fixed": "0.6.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-45705"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2022-01-05T23:20:00Z",
    "nvd_published_at": "2021-12-27T00:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "An issue was discovered in the nanorand crate before 0.6.1 for Rust. There can be multiple mutable references to the same object because the TlsWyRand Deref implementation dereferences a raw pointer.",
  "id": "GHSA-r57r-j98g-587f",
  "modified": "2022-01-07T18:29:44Z",
  "published": "2022-01-06T22:08:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-45705"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Absolucy/nanorand-rs/issues/28"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Absolucy/nanorand-rs"
    },
    {
      "type": "WEB",
      "url": "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/nanorand/RUSTSEC-2021-0114.md"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0114.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Pointer dereference in nanorand"
}

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.
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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

RUSTSEC-2021-0114 (CVE-2021-45705)

CVE-2021-45705 (GCVE-0-2021-45705)

GHSA-P6GJ-GPC8-F8XW

GHSA-R57R-J98G-587F

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Sightings

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Vulnerability timeline

Related by attack behaviour