Vulnerability-Lookup

CNVD-2021-02043

Vulnerability from cnvd - Published: 2021-01-12

Title

1E Client权限许可和访问控制问题漏洞

Description

1E Client是美国1E公司的一款无需部署代理的端点管理软件。 1E Client 5.0.0.745版本存在安全漏洞，该漏洞源于\%PROGRAMFILES\%1EClientTachyon.Performance.Metrics.exe未能处理未引用的路径。这可能允许远程攻击者通过在\%WINDIR\%Temp中放置一个恶意的cryptbase.dll文件来获得更高的权限。

Severity

中

Patch Name

1E Client权限许可和访问控制问题漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新：https://help.1e.com/display/GI/1E+Security+Advisory-1E+Client+for+Windows%3A+CVE-2020-16268%2C+CVE-2020-27643%2C+CVE-2020-27644%2C+CVE-2020-27645

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-27644

Impacted products

Name
1e 1E Client 5.0.0.745

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-27644",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-27644"
    }
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  "description": "1E Client\u662f\u7f8e\u56fd1E\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u9700\u90e8\u7f72\u4ee3\u7406\u7684\u7aef\u70b9\u7ba1\u7406\u8f6f\u4ef6\u3002\n\n1E Client 5.0.0.745\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\\%PROGRAMFILES\\%1EClientTachyon.Performance.Metrics.exe\u672a\u80fd\u5904\u7406\u672a\u5f15\u7528\u7684\u8def\u5f84\u3002\u8fd9\u53ef\u80fd\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u901a\u8fc7\u5728\\%WINDIR\\%Temp\u4e2d\u653e\u7f6e\u4e00\u4e2a\u6076\u610f\u7684cryptbase.dll\u6587\u4ef6\u6765\u83b7\u5f97\u66f4\u9ad8\u7684\u6743\u9650\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1ahttps://help.1e.com/display/GI/1E+Security+Advisory-1E+Client+for+Windows%3A+CVE-2020-16268%2C+CVE-2020-27643%2C+CVE-2020-27644%2C+CVE-2020-27645",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-02043",
  "openTime": "2021-01-12",
  "patchDescription": "1E Client\u662f\u7f8e\u56fd1E\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u9700\u90e8\u7f72\u4ee3\u7406\u7684\u7aef\u70b9\u7ba1\u7406\u8f6f\u4ef6\u3002\r\n\r\n1E Client 5.0.0.745\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\\%PROGRAMFILES\\%1EClientTachyon.Performance.Metrics.exe\u672a\u80fd\u5904\u7406\u672a\u5f15\u7528\u7684\u8def\u5f84\u3002\u8fd9\u53ef\u80fd\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u901a\u8fc7\u5728\\%WINDIR\\%Temp\u4e2d\u653e\u7f6e\u4e00\u4e2a\u6076\u610f\u7684cryptbase.dll\u6587\u4ef6\u6765\u83b7\u5f97\u66f4\u9ad8\u7684\u6743\u9650\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": "1E Client\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "1e 1E Client 5.0.0.745"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-27644",
  "serverity": "\u4e2d",
  "submitTime": "2020-12-31",
  "title": "1E Client\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2020-27644 (GCVE-0-2020-27644)

Vulnerability from cvelistv5 – Published: 2020-12-29 20:10 – Updated: 2024-08-04 16:18

Summary

The Inventory module of the 1E Client 5.0.0.745 doesn't handle an unquoted path when executing %PROGRAMFILES%\1E\Client\Tachyon.Performance.Metrics.exe. This may allow remote authenticated users and local users to gain elevated privileges by placing a malicious cryptbase.dll file in %WINDIR%\Temp\.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://help.1e.com/display/GI/1E+Security+Adviso…	x_refsource_CONFIRM

Date Public

2020-09-25 00:00

Show details on NVD website

JSON

To clipboard

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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.