Vulnerability-Lookup

CNVD-2021-19693

Vulnerability from cnvd - Published: 2021-03-20

Title

Go拒绝服务漏洞（CNVD-2021-19693）

Description

Google Go是美国谷歌（Google）公司的一款静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Go中的archive/zip在尝试对文件名以../开头的ZIP存档文件使用Reader.Open API时存在拒绝服务漏洞。攻击者可利用该漏洞导致拒绝服务。

Severity

中

Patch Name

Go拒绝服务漏洞（CNVD-2021-19693）的补丁

Patch Description

Google Go是美国谷歌（Google）公司的一款静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Go中的archive/zip在尝试对文件名以../开头的ZIP存档文件使用Reader.Open API时存在拒绝服务漏洞。攻击者可利用该漏洞导致拒绝服务。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://groups.google.com/g/golang-announce/c/MfiLYjG-RAw

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-27919

Impacted products

Name
Google Go >=1.16.0，<1.16.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-27919",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-27919"
    }
  },
  "description": "Google Go\u662f\u7f8e\u56fd\u8c37\u6b4c\uff08Google\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u9759\u6001\u5f3a\u7c7b\u578b\u3001\u7f16\u8bd1\u578b\u3001\u5e76\u53d1\u578b\uff0c\u5e76\u5177\u6709\u5783\u573e\u56de\u6536\u529f\u80fd\u7684\u7f16\u7a0b\u8bed\u8a00\u3002\n\nGo\u4e2d\u7684archive/zip\u5728\u5c1d\u8bd5\u5bf9\u6587\u4ef6\u540d\u4ee5../\u5f00\u5934\u7684ZIP\u5b58\u6863\u6587\u4ef6\u4f7f\u7528Reader.Open API\u65f6\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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://groups.google.com/g/golang-announce/c/MfiLYjG-RAw",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-19693",
  "openTime": "2021-03-20",
  "patchDescription": "Google Go\u662f\u7f8e\u56fd\u8c37\u6b4c\uff08Google\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u9759\u6001\u5f3a\u7c7b\u578b\u3001\u7f16\u8bd1\u578b\u3001\u5e76\u53d1\u578b\uff0c\u5e76\u5177\u6709\u5783\u573e\u56de\u6536\u529f\u80fd\u7684\u7f16\u7a0b\u8bed\u8a00\u3002\r\n\r\nGo\u4e2d\u7684archive/zip\u5728\u5c1d\u8bd5\u5bf9\u6587\u4ef6\u540d\u4ee5../\u5f00\u5934\u7684ZIP\u5b58\u6863\u6587\u4ef6\u4f7f\u7528Reader.Open API\u65f6\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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": "Go\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-19693\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Google Go \u003e=1.16.0\uff0c\u003c1.16.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-27919",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-11",
  "title": "Go\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-19693\uff09"
}

CVE-2021-27919 (GCVE-0-2021-27919)

Vulnerability from cvelistv5 – Published: 2021-03-11 00:00 – Updated: 2024-08-03 21:33

Summary

archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

4 references

URL	Tags
https://groups.google.com/g/golang-announce/c/Mfi…	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
https://security.gentoo.org/glsa/202208-02	vendor-advisoryx_refsource_GENTOO

Show details on NVD website

JSON

To clipboard

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          },
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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.