Vulnerability-Lookup

CNVD-2021-28295

Vulnerability from cnvd - Published: 2021-04-15

Title

Rust缓冲区溢出漏洞（CNVD-2021-28295）

Description

Rust是一种系统编程语言，特点是运行速度快，能够防止段错误，并保证线程安全。 Rust 1.50.0之前版本中的标准库存在缓冲区溢出漏洞。该漏洞源于read_to_end()在不安全的上下文中不验证Read的返回值。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

Rust缓冲区溢出漏洞（CNVD-2021-28295）的补丁

Patch Description

Rust是一种系统编程语言，特点是运行速度快，能够防止段错误，并保证线程安全。 Rust 1.50.0之前版本中的标准库存在缓冲区溢出漏洞。该漏洞源于read_to_end()在不安全的上下文中不验证Read的返回值。目前没有详细的漏洞细节提供。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/rust-lang/rust/pull/80895

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-28875

Impacted products

Name
Rust Rust <1.50.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-28875",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-28875"
    }
  },
  "description": "Rust\u662f\u4e00\u79cd\u7cfb\u7edf\u7f16\u7a0b\u8bed\u8a00\uff0c\u7279\u70b9\u662f\u8fd0\u884c\u901f\u5ea6\u5feb\uff0c\u80fd\u591f\u9632\u6b62\u6bb5\u9519\u8bef\uff0c\u5e76\u4fdd\u8bc1\u7ebf\u7a0b\u5b89\u5168\u3002\n\nRust 1.50.0\u4e4b\u524d\u7248\u672c\u4e2d\u7684\u6807\u51c6\u5e93\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eread_to_end()\u5728\u4e0d\u5b89\u5168\u7684\u4e0a\u4e0b\u6587\u4e2d\u4e0d\u9a8c\u8bc1Read\u7684\u8fd4\u56de\u503c\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/rust-lang/rust/pull/80895",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-28295",
  "openTime": "2021-04-15",
  "patchDescription": "Rust\u662f\u4e00\u79cd\u7cfb\u7edf\u7f16\u7a0b\u8bed\u8a00\uff0c\u7279\u70b9\u662f\u8fd0\u884c\u901f\u5ea6\u5feb\uff0c\u80fd\u591f\u9632\u6b62\u6bb5\u9519\u8bef\uff0c\u5e76\u4fdd\u8bc1\u7ebf\u7a0b\u5b89\u5168\u3002\r\n\r\nRust 1.50.0\u4e4b\u524d\u7248\u672c\u4e2d\u7684\u6807\u51c6\u5e93\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eread_to_end()\u5728\u4e0d\u5b89\u5168\u7684\u4e0a\u4e0b\u6587\u4e2d\u4e0d\u9a8c\u8bc1Read\u7684\u8fd4\u56de\u503c\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Rust\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-28295\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Rust Rust \u003c1.50.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-28875",
  "serverity": "\u9ad8",
  "submitTime": "2021-04-12",
  "title": "Rust\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-28295\uff09"
}

CVE-2021-28875 (GCVE-0-2021-28875)

Vulnerability from cvelistv5 – Published: 2021-04-11 00:00 – Updated: 2024-08-03 21:55

Summary

In the standard library in Rust before 1.50.0, read_to_end() does not validate the return value from Read in an unsafe context. This bug could lead to a buffer overflow.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://github.com/rust-lang/rust/issues/80894
https://github.com/rust-lang/rust/pull/80895
https://security.gentoo.org/glsa/202210-09	vendor-advisory

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T21:55:11.584Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "tags": [
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            ],
            "url": "https://github.com/rust-lang/rust/issues/80894"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/rust-lang/rust/pull/80895"
          },
          {
            "name": "GLSA-202210-09",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202210-09"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the standard library in Rust before 1.50.0, read_to_end() does not validate the return value from Read in an unsafe context. This bug could lead to a buffer overflow."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-16T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/rust-lang/rust/issues/80894"
        },
        {
          "url": "https://github.com/rust-lang/rust/pull/80895"
        },
        {
          "name": "GLSA-202210-09",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202210-09"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-28875",
    "datePublished": "2021-04-11T00:00:00.000Z",
    "dateReserved": "2021-03-19T00:00:00.000Z",
    "dateUpdated": "2024-08-03T21:55:11.584Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.