Vulnerability-Lookup

rustsec-2021-0003

Vulnerability from osv_rustsec

Published

2021-01-08 12:00

Modified

2023-06-13 13:10

Summary

Buffer overflow in SmallVec::insert_many

Details

A bug in the SmallVec::insert_many method caused it to allocate a buffer that was smaller than needed. It then wrote past the end of the buffer, causing a buffer overflow and memory corruption on the heap.

This bug was only triggered if the iterator passed to insert_many yielded more items than the lower bound returned from its size_hint method.

The flaw was corrected in smallvec 0.6.14 and 1.6.1, by ensuring that additional space is always reserved for each item inserted. The fix also simplified the implementation of insert_many to use less unsafe code, so it is easier to verify its correctness.

Thank you to Yechan Bae (@Qwaz) and the Rust group at Georgia Tech’s SSLab for finding and reporting this bug.

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "categories": [
          "memory-corruption"
        ],
        "cvss": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
        "informational": null
      },
      "ecosystem_specific": {
        "affected_functions": null,
        "affects": {
          "arch": [],
          "functions": [
            "smallvec::SmallVec::insert_many"
          ],
          "os": []
        }
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "smallvec",
        "purl": "pkg:cargo/smallvec"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.6.3"
            },
            {
              "fixed": "0.6.14"
            },
            {
              "introduced": "1.0.0"
            },
            {
              "fixed": "1.6.1"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [
    "CVE-2021-25900",
    "GHSA-43w2-9j62-hq99"
  ],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "A bug in the `SmallVec::insert_many` method caused it to allocate a buffer that was smaller than needed.  It then wrote past the end of the buffer, causing a buffer overflow and memory corruption on the heap.\n\nThis bug was only triggered if the iterator passed to `insert_many` yielded more items than the lower bound returned from its `size_hint` method.\n \nThe flaw was corrected in smallvec 0.6.14 and 1.6.1, by ensuring that additional space is always reserved for each item inserted.  The fix also simplified the implementation of `insert_many` to use less unsafe code, so it is easier to verify its correctness.\n\nThank you to Yechan Bae (@Qwaz) and the Rust group at Georgia Tech\u2019s SSLab for finding and reporting this bug.",
  "id": "RUSTSEC-2021-0003",
  "modified": "2023-06-13T13:10:24Z",
  "published": "2021-01-08T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/smallvec"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0003.html"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/servo/rust-smallvec/issues/252"
    }
  ],
  "related": [],
  "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": "Buffer overflow in SmallVec::insert_many"
}

CVE-2021-25900 (GCVE-0-2021-25900)

Vulnerability from cvelistv5 – Published: 2021-01-22 09:03 – Updated: 2024-08-03 20:11

Summary

An issue was discovered in the smallvec crate before 0.6.14 and 1.x before 1.6.1 for Rust. There is a heap-based buffer overflow in SmallVec::insert_many.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://rustsec.org/advisories/RUSTSEC-2021-0003.html

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:11:28.459Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://rustsec.org/advisories/RUSTSEC-2021-0003.html"
          }
        ],
        "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 smallvec crate before 0.6.14 and 1.x before 1.6.1 for Rust. There is a heap-based buffer overflow in SmallVec::insert_many."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-01-22T09:03:36",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://rustsec.org/advisories/RUSTSEC-2021-0003.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-25900",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An issue was discovered in the smallvec crate before 0.6.14 and 1.x before 1.6.1 for Rust. There is a heap-based buffer overflow in SmallVec::insert_many."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://rustsec.org/advisories/RUSTSEC-2021-0003.html",
              "refsource": "MISC",
              "url": "https://rustsec.org/advisories/RUSTSEC-2021-0003.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-25900",
    "datePublished": "2021-01-22T09:03:36",
    "dateReserved": "2021-01-22T00:00:00",
    "dateUpdated": "2024-08-03T20:11:28.459Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

GHSA-43W2-9J62-HQ99

Vulnerability from github – Published: 2022-05-24 17:40 – Updated: 2023-06-13 20:51

Summary

Buffer overflow in SmallVec::insert_many

Details

A bug in the SmallVec::insert_many method caused it to allocate a buffer that was smaller than needed. It then wrote past the end of the buffer, causing a buffer overflow and memory corruption on the heap. This bug was only triggered if the iterator passed to insert_many yielded more items than the lower bound returned from its size_hint method.

The flaw was corrected in smallvec 0.6.14 and 1.6.1, by ensuring that additional space is always reserved for each item inserted. The fix also simplified the implementation of insert_many to use less unsafe code, so it is easier to verify its correctness.

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": "smallvec"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.6.3"
            },
            {
              "fixed": "0.6.14"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "smallvec"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.0.0"
            },
            {
              "fixed": "1.6.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-25900"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-06-17T00:20:48Z",
    "nvd_published_at": "2021-01-26T18:16:00Z",
    "severity": "CRITICAL"
  },
  "details": "A bug in the SmallVec::insert_many method caused it to allocate a buffer that was smaller than needed. It then wrote past the end of the buffer, causing a buffer overflow and memory corruption on the heap. This bug was only triggered if the iterator passed to insert_many yielded more items than the lower bound returned from its size_hint method.\n\nThe flaw was corrected in smallvec 0.6.14 and 1.6.1, by ensuring that additional space is always reserved for each item inserted. The fix also simplified the implementation of insert_many to use less unsafe code, so it is easier to verify its correctness.",
  "id": "GHSA-43w2-9j62-hq99",
  "modified": "2023-06-13T20:51:42Z",
  "published": "2022-05-24T17:40:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-25900"
    },
    {
      "type": "WEB",
      "url": "https://github.com/servo/rust-smallvec/issues/252"
    },
    {
      "type": "WEB",
      "url": "https://github.com/servo/rust-smallvec/commit/5757ac500d4e544485d796b542e4e589749c291b"
    },
    {
      "type": "WEB",
      "url": "https://github.com/servo/rust-smallvec/commit/9998ba0694a6b51aa6604748b00b6a98f0a0039e"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/servo/rust-smallvec"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0003.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": "Buffer overflow in SmallVec::insert_many"
}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

rustsec-2021-0003

Vulnerability from osv_rustsec

CVE-2021-25900 (GCVE-0-2021-25900)

GHSA-43W2-9J62-HQ99

Tags

Sightings

Nomenclature