Vulnerability-Lookup

CNVD-2021-33045

Vulnerability from cnvd - Published: 2021-05-07

Title

Mozilla Rust格式化字符串错误漏洞

Description

Rust是Mozilla基金会的一款通用、编译型编程语言。 Rust 1.52.0之前版本中的standard library存在格式化字符串错误漏洞，该漏洞源于如果在检查了借来的字符串长度后改变了它，可能会导致未初始化的字节被暴露(或者程序崩溃)。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

Mozilla Rust格式化字符串错误漏洞的补丁

Patch Description

Rust是Mozilla基金会的一款通用、编译型编程语言。 Rust 1.52.0之前版本中的standard library存在格式化字符串错误漏洞，该漏洞源于如果在检查了借来的字符串长度后改变了它，可能会导致未初始化的字节被暴露(或者程序崩溃)。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

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://github.com/rust-lang/rust

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-36323

Impacted products

Name
Mozilla Rust <1.52.0

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2020-36323",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-36323"
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  "number": "CNVD-2021-33045",
  "openTime": "2021-05-07",
  "patchDescription": "Rust\u662fMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u901a\u7528\u3001\u7f16\u8bd1\u578b\u7f16\u7a0b\u8bed\u8a00\u3002\r\n\r\nRust 1.52.0\u4e4b\u524d\u7248\u672c\u4e2d\u7684standard library\u5b58\u5728\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5982\u679c\u5728\u68c0\u67e5\u4e86\u501f\u6765\u7684\u5b57\u7b26\u4e32\u957f\u5ea6\u540e\u6539\u53d8\u4e86\u5b83\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u672a\u521d\u59cb\u5316\u7684\u5b57\u8282\u88ab\u66b4\u9732(\u6216\u8005\u7a0b\u5e8f\u5d29\u6e83)\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",
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  "serverity": "\u4e2d",
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  "title": "Mozilla Rust\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-36323 (GCVE-0-2020-36323)

Vulnerability from cvelistv5 – Published: 2021-04-14 06:10 – Updated: 2024-08-04 17:23

Summary

In the standard library in Rust before 1.52.0, there is an optimization for joining strings that can cause uninitialized bytes to be exposed (or the program to crash) if the borrowed string changes after its length is checked.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

7 references

URL	Tags
https://github.com/rust-lang/rust/issues/80335	x_refsource_MISC
https://github.com/rust-lang/rust/pull/81728	x_refsource_MISC
https://github.com/rust-lang/rust/pull/81728#issu…	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://github.com/rust-lang/rust/pull/81728#issu…	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Show details on NVD website

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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.