Vulnerability-Lookup

CNVD-2021-36328

Vulnerability from cnvd - Published: 2021-05-21

Title

Mozilla Rust释放后重用和双重释放漏洞

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 1.49.0之前版本中的标准库存在释放后重用和双重释放漏洞。该漏洞源于VecDeque::make_contiguous在一定条件下会多次弹出同一元素。攻击者可利用该漏洞导致释放后重用或双重释放。

Severity

高

Patch Name

Mozilla Rust释放后重用和双重释放漏洞的补丁

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 1.49.0之前版本中的标准库存在释放后重用和双重释放漏洞。该漏洞源于VecDeque::make_contiguous在一定条件下会多次弹出同一元素。攻击者可利用该漏洞导致释放后重用或双重释放。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

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-36318

Impacted products

Name
Mozilla Rust <1.49.0

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2020-36318",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-36318"
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  "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 1.49.0\u4e4b\u524d\u7248\u672c\u4e2d\u7684\u6807\u51c6\u5e93\u5b58\u5728\u91ca\u653e\u540e\u91cd\u7528\u548c\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eVecDeque::make_contiguous\u5728\u4e00\u5b9a\u6761\u4ef6\u4e0b\u4f1a\u591a\u6b21\u5f39\u51fa\u540c\u4e00\u5143\u7d20\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u91ca\u653e\u540e\u91cd\u7528\u6216\u53cc\u91cd\u91ca\u653e\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",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-36328",
  "openTime": "2021-05-21",
  "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 1.49.0\u4e4b\u524d\u7248\u672c\u4e2d\u7684\u6807\u51c6\u5e93\u5b58\u5728\u91ca\u653e\u540e\u91cd\u7528\u548c\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eVecDeque::make_contiguous\u5728\u4e00\u5b9a\u6761\u4ef6\u4e0b\u4f1a\u591a\u6b21\u5f39\u51fa\u540c\u4e00\u5143\u7d20\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u91ca\u653e\u540e\u91cd\u7528\u6216\u53cc\u91cd\u91ca\u653e\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": "Mozilla Rust\u91ca\u653e\u540e\u91cd\u7528\u548c\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Mozilla Rust \u003c1.49.0"
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  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-36318",
  "serverity": "\u9ad8",
  "submitTime": "2021-04-12",
  "title": "Mozilla Rust\u91ca\u653e\u540e\u91cd\u7528\u548c\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e"
}

CVE-2020-36318 (GCVE-0-2020-36318)

Vulnerability from cvelistv5 – Published: 2021-04-11 19:05 – Updated: 2024-08-04 17:23

Summary

In the standard library in Rust before 1.49.0, VecDeque::make_contiguous has a bug that pops the same element more than once under certain condition. This bug could result in a use-after-free or double free.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/rust-lang/rust/issues/79808	x_refsource_MISC
https://github.com/rust-lang/rust/pull/79814	x_refsource_MISC

Show details on NVD website

JSON

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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.

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.