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I. Basic Information for CVE-2020-8290
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Backblaze for Windows and Backblaze for macOS before 7.0.0.439 suffer from improper privilege management in `bztransmit` helper due to lack of permission handling and validation before creation of client update directories allowing for local escalation of privilege via rogue client update binary.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Backblaze 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Backblaze是美国Backblaze公司的一款云端备份服务。 Backblaze for Windows and Backblaze for macOS 7.0.0.439之前版本存在权限许可和访问控制问题漏洞，该漏洞源于在创建客户端更新目录之前缺乏权限处理和验证，允许通过恶意客户端更新二进制文件本地升级权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
-Backblaze Prior to 7.0.0.439 -
II. Public POCs for CVE-2020-8290
#POC DescriptionSource LinkShenlong Link
1CVE-2020-8290 – Elevation of Privilege in Backblazehttps://github.com/geffner/CVE-2020-8290POC Details
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III. Intelligence Information for CVE-2020-8290
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IV. Related Vulnerabilities
Same product: Backblaze
Same vendor: n/a
Same weakness: CWE-269
V. Comments for CVE-2020-8290

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