Vulnerability-Lookup

rustsec-2021-0048

Vulnerability from osv_rustsec

Published

2021-02-19 12:00

Modified

2023-06-13 13:10

Summary

StackVec::extend can write out of bounds when size_hint is incorrect

Details

StackVec::extend used the lower and upper bounds from an Iterator's size_hint to determine how many items to push into the stack based vector.

If the size_hint implementation returned a lower bound that was larger than the upper bound, StackVec would write out of bounds and overwrite memory on the stack. As mentioned by the size_hint documentation, size_hint is mainly for optimization and incorrect implementations should not lead to memory safety issues.

JSON

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{
  "affected": [
    {
      "database_specific": {
        "categories": [
          "memory-corruption"
        ],
        "cvss": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
        "informational": null
      },
      "ecosystem_specific": {
        "affected_functions": null,
        "affects": {
          "arch": [],
          "functions": [],
          "os": []
        }
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "stackvector",
        "purl": "pkg:cargo/stackvector"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0-0"
            },
            {
              "fixed": "1.0.9"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [
    "CVE-2021-29939",
    "GHSA-9frf-r7c7-j2vg"
  ],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "`StackVec::extend` used the lower and upper bounds from an Iterator\u0027s\n`size_hint` to determine how many items to push into the stack based vector.\n\nIf the `size_hint` implementation returned a lower bound that was larger than\nthe upper bound, `StackVec` would write out of bounds and overwrite memory\non the stack. As mentioned by the [size_hint](https://doc.rust-lang.org/std/iter/trait.Iterator.html#provided-methods)\ndocumentation, `size_hint` is mainly for optimization and incorrect\nimplementations should not lead to memory safety issues.",
  "id": "RUSTSEC-2021-0048",
  "modified": "2023-06-13T13:10:24Z",
  "published": "2021-02-19T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/stackvector"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0048.html"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/Alexhuszagh/rust-stackvector/issues/2"
    }
  ],
  "related": [],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "StackVec::extend can write out of bounds when size_hint is incorrect"
}

GHSA-9FRF-R7C7-J2VG

Vulnerability from github – Published: 2021-08-25 20:54 – Updated: 2023-06-13 20:54

Summary

Out of bounds write in stackvector

Details

StackVec::extend used the lower and upper bounds from an Iterator's size_hint to determine how many items to push into the stack based vector. If the size_hint implementation returned a lower bound that was larger than the upper bound, StackVec would write out of bounds and overwrite memory on the stack. As mentioned by the size_hint documentation, size_hint is mainly for optimization and incorrect implementations should not lead to memory safety issues.

Severity ?

7.3 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "stackvector"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-29939"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-08-19T17:15:11Z",
    "nvd_published_at": "2021-04-01T05:15:00Z",
    "severity": "HIGH"
  },
  "details": "StackVec::extend used the lower and upper bounds from an Iterator\u0027s size_hint to determine how many items to push into the stack based vector. If the size_hint implementation returned a lower bound that was larger than the upper bound, StackVec would write out of bounds and overwrite memory on the stack. As mentioned by the size_hint documentation, size_hint is mainly for optimization and incorrect implementations should not lead to memory safety issues.",
  "id": "GHSA-9frf-r7c7-j2vg",
  "modified": "2023-06-13T20:54:15Z",
  "published": "2021-08-25T20:54:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29939"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Alexhuszagh/rust-stackvector/issues/2"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Alexhuszagh/rust-stackvector"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0048.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Out of bounds write in stackvector"
}

CVE-2021-29939 (GCVE-0-2021-29939)

Vulnerability from cvelistv5 – Published: 2021-04-01 04:23 – Updated: 2024-11-19 16:11

Summary

An issue was discovered in the stackvector crate through 2021-02-19 for Rust. There is an out-of-bounds write in StackVec::extend if size_hint provides certain anomalous data.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://rustsec.org/advisories/RUSTSEC-2021-0048.html

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T22:18:03.303Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://rustsec.org/advisories/RUSTSEC-2021-0048.html"
          }
        ],
        "title": "CVE Program Container"
      },
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        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2021-29939",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-19T16:11:10.891834Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-19T16:11:27.677Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
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          "vendor": "n/a",
          "versions": [
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        }
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      "providerMetadata": {
        "dateUpdated": "2021-04-01T04:23:03",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          ],
          "url": "https://rustsec.org/advisories/RUSTSEC-2021-0048.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-29939",
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}

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-2021-0048

Vulnerability from osv_rustsec

GHSA-9FRF-R7C7-J2VG

CVE-2021-29939 (GCVE-0-2021-29939)

Tags

Sightings

Nomenclature