Vulnerability-Lookup

RUSTSEC-2021-0130 (CVE-2021-45720)

Vulnerability from osv_rustsec – Published: 2021-12-21 12:00 – Updated: 2023-06-13 13:10 – Source website

Summary

Use after free in lru crate

Details

Lru crate has use after free vulnerability.

Lru crate has two functions for getting an iterator. Both iterators give references to key and value. Calling specific functions, like pop(), will remove and free the value, and but it's still possible to access the reference of value which is already dropped causing use after free.

References

URL

Type

	https://crates.io/crates/lru	PACKAGE
	https://rustsec.org/advisories/RUSTSEC-2021-0130.html	ADVISORY
	https://github.com/jeromefroe/lru-rs/issues/120	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "categories": [
          "memory-corruption"
        ],
        "cvss": null,
        "informational": null
      },
      "ecosystem_specific": {
        "affected_functions": null,
        "affects": {
          "arch": [],
          "functions": [
            "lru::LruCache::iter",
            "lru::LruCache::iter_mut"
          ],
          "os": []
        }
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "lru",
        "purl": "pkg:cargo/lru"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0-0"
            },
            {
              "fixed": "0.7.1"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [
    "CVE-2021-45720",
    "GHSA-qqmc-hwqp-8g2w",
    "GHSA-v362-2895-h9r2"
  ],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "Lru crate has use after free vulnerability.\n\nLru crate has two functions for getting an iterator. Both iterators give\nreferences to key and value. Calling specific functions, like pop(), will remove\nand free the value, and but it\u0027s still possible to access the reference of value\nwhich is already dropped causing use after free.",
  "id": "RUSTSEC-2021-0130",
  "modified": "2023-06-13T13:10:24Z",
  "published": "2021-12-21T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/lru"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0130.html"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/jeromefroe/lru-rs/issues/120"
    }
  ],
  "related": [],
  "severity": [],
  "summary": "Use after free in lru crate"
}

CVE-2021-45720 (GCVE-0-2021-45720)

Vulnerability from cvelistv5 – Published: 2021-12-26 21:45 – Updated: 2024-08-04 04:47

Summary

An issue was discovered in the lru crate before 0.7.1 for Rust. The iterators have a use-after-free, as demonstrated by an access after a pop operation.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2338 records in the last 180 days details

References

2 references

URL	Tags
https://rustsec.org/advisories/RUSTSEC-2021-0130.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": "2024-08-04T04:47:02.036Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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              "x_transferred"
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            "url": "https://rustsec.org/advisories/RUSTSEC-2021-0130.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/lru/RUSTSEC-2021-0130.md"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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            }
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      ],
      "descriptions": [
        {
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        }
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      },
      "references": [
        {
          "tags": [
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          "url": "https://rustsec.org/advisories/RUSTSEC-2021-0130.html"
        },
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            "x_refsource_MISC"
          ],
          "url": "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/lru/RUSTSEC-2021-0130.md"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-45720",
          "STATE": "PUBLIC"
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        "affects": {
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    "dateReserved": "2021-12-26T00:00:00.000Z",
    "dateUpdated": "2024-08-04T04:47:02.036Z",
    "state": "PUBLISHED"
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GHSA-QQMC-HWQP-8G2W

Vulnerability from github – Published: 2022-06-17 00:11 – Updated: 2022-06-17 00:11

Summary

Use after free in lru crate

Details

Lru crate has use after free vulnerability.

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "lru"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.7.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2022-06-17T00:11:13Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "Lru crate has use after free vulnerability.\n\nLru crate has two functions for getting an iterator. Both iterators give\nreferences to key and value. Calling specific functions, like pop(), will remove\nand free the value, and but it\u0027s still possible to access the reference of value\nwhich is already dropped causing use after free.\n",
  "id": "GHSA-qqmc-hwqp-8g2w",
  "modified": "2022-06-17T00:11:13Z",
  "published": "2022-06-17T00:11:13Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/jeromefroe/lru-rs/issues/120"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/jeromefroe/lru-rs"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0130.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Use after free in lru crate"
}

GHSA-V362-2895-H9R2

Vulnerability from github – Published: 2022-01-07 22:37 – Updated: 2023-06-13 18:38

Summary

Use After Free in lru

Details

Severity

7.5 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "lru"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.7.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-45720"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-01-07T20:44:44Z",
    "nvd_published_at": "2021-12-26T22:15:00Z",
    "severity": "HIGH"
  },
  "details": "Lru crate has two functions for getting an iterator. Both iterators give references to key and value. Calling specific functions, like pop(), will remove and free the value, and but it\u0027s still possible to access the reference of value which is already dropped causing use after free.",
  "id": "GHSA-v362-2895-h9r2",
  "modified": "2023-06-13T18:38:43Z",
  "published": "2022-01-07T22:37:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-45720"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jeromefroe/lru-rs/issues/120"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/jeromefroe/lru-rs.git"
    },
    {
      "type": "WEB",
      "url": "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/lru/RUSTSEC-2021-0130.md"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0130.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Use After Free in lru"
}

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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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.

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RUSTSEC-2021-0130 (CVE-2021-45720)

CVE-2021-45720 (GCVE-0-2021-45720)

GHSA-QQMC-HWQP-8G2W

GHSA-V362-2895-H9R2

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Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour