Vulnerability-Lookup

CNVD-2021-31917

Vulnerability from cnvd - Published: 2021-04-29

Title

Rust缓冲区溢出漏洞（CNVD-2021-31917）

Description

Rust是Mozilla基金会的一款通用、编译型编程语言。 PartialReader in the uu_od crate for Rust 0.0.4之前版本存在缓冲区溢出漏洞，攻击者可利用该漏洞可以通过用户提供的读取操作读取未初始化内存位置的内容。

Severity

高

Patch Name

Rust缓冲区溢出漏洞（CNVD-2021-31917）的补丁

Patch Description

Rust是Mozilla基金会的一款通用、编译型编程语言。 PartialReader in the uu_od crate for Rust 0.0.4之前版本存在缓冲区溢出漏洞，攻击者可利用该漏洞可以通过用户提供的读取操作读取未初始化内存位置的内容。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://rustsec.org/advisories/RUSTSEC-2021-0043.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-29934

Impacted products

Name
Mozilla Rust <0.0.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-29934",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-29934"
    }
  },
  "description": "Rust\u662fMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u901a\u7528\u3001\u7f16\u8bd1\u578b\u7f16\u7a0b\u8bed\u8a00\u3002\n\nPartialReader in the uu_od crate for Rust 0.0.4\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u901a\u8fc7\u7528\u6237\u63d0\u4f9b\u7684\u8bfb\u53d6\u64cd\u4f5c\u8bfb\u53d6\u672a\u521d\u59cb\u5316\u5185\u5b58\u4f4d\u7f6e\u7684\u5185\u5bb9\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1ahttps://rustsec.org/advisories/RUSTSEC-2021-0043.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-31917",
  "openTime": "2021-04-29",
  "patchDescription": "Rust\u662fMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u901a\u7528\u3001\u7f16\u8bd1\u578b\u7f16\u7a0b\u8bed\u8a00\u3002\r\n\r\nPartialReader in the uu_od crate for Rust 0.0.4\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u901a\u8fc7\u7528\u6237\u63d0\u4f9b\u7684\u8bfb\u53d6\u64cd\u4f5c\u8bfb\u53d6\u672a\u521d\u59cb\u5316\u5185\u5b58\u4f4d\u7f6e\u7684\u5185\u5bb9\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-2021-31917\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Mozilla Rust \u003c0.0.4"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-29934",
  "serverity": "\u9ad8",
  "submitTime": "2021-04-16",
  "title": "Rust\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-31917\uff09"
}

CVE-2021-29934 (GCVE-0-2021-29934)

Vulnerability from cvelistv5 – Published: 2021-04-01 04:24 – Updated: 2024-08-03 22:18

Summary

An issue was discovered in PartialReader in the uu_od crate before 0.0.4 for Rust. Attackers can read the contents of uninitialized memory locations via a user-provided Read operation.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 27/100 over 2350 records in the last 180 days details

References

1 reference

URL	Tags
https://rustsec.org/advisories/RUSTSEC-2021-0043.html	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-03T22:18:03.256Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "tags": [
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              "x_transferred"
            ],
            "url": "https://rustsec.org/advisories/RUSTSEC-2021-0043.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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          ]
        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "An issue was discovered in PartialReader in the uu_od crate before 0.0.4 for Rust. Attackers can read the contents of uninitialized memory locations via a user-provided Read operation."
        }
      ],
      "problemTypes": [
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              "description": "n/a",
              "lang": "en",
              "type": "text"
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        "dateUpdated": "2021-04-01T04:24:14.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://rustsec.org/advisories/RUSTSEC-2021-0043.html"
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      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-29934",
          "STATE": "PUBLIC"
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          "vendor": {
            "vendor_data": [
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                "product": {
                  "product_data": [
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                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
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                },
                "vendor_name": "n/a"
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          }
        },
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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    "datePublished": "2021-04-01T04:24:14.000Z",
    "dateReserved": "2021-04-01T00:00:00.000Z",
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}

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.

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.

Action not permitted

CNVD-2021-31917

CVE-2021-29934 (GCVE-0-2021-29934)

Tags

Sightings

Nomenclature

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