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CVE-2022-3421— Privilege escalation in Google Drive for Desktop on MacOS

Quick assessment

Affected
Google LLC Drive for Desktop MacOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Google Drive for desktop是美国谷歌（Google）公司的一个桌面同步客户端。可让您在所有设备和云端轻松管理和共享内容。 Google Drive for desktop 64.0之前版本存在安全漏洞，该漏洞源于攻击者可以预先创建/Applications/Google Drive.app/Contents/MacOS目录，首次运行安装程序时，它将在该目录中放置一个具有执行权限的二进制文件并设置其setuid位，由于攻击者拥有该目录，攻击者可以用符号链接替换二进制文件，从而导致安装程

CVSS 5.6 · Medium EPSS 0.12% · P2
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I. Basic Information for CVE-2022-3421

Vulnerability Information
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Vulnerability Title
Privilege escalation in Google Drive for Desktop on MacOS
Source: CVE Program / CVE List V5
Vulnerability Description
An attacker can pre-create the `/Applications/Google\ Drive.app/Contents/MacOS` directory which is expected to be owned by root to be owned by a non-root user. When the Drive for Desktop installer is run for the first time, it will place a binary in that directory with execute permissions and set its setuid bit. Since the attacker owns the directory, the attacker can replace the binary with a symlink, causing the installer to set the setuid bit on the symlink. When the symlink is executed, it will run with root permissions. We recommend upgrading past version 64.0
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
权限、特权和访问控制
Source: CVE Program / CVE List V5
Vulnerability Title
Google Drive for desktop 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Drive for desktop是美国谷歌（Google）公司的一个桌面同步客户端。可让您在所有设备和云端轻松管理和共享内容。 Google Drive for desktop 64.0之前版本存在安全漏洞，该漏洞源于攻击者可以预先创建/Applications/Google Drive.app/Contents/MacOS目录，首次运行安装程序时，它将在该目录中放置一个具有执行权限的二进制文件并设置其setuid位，由于攻击者拥有该目录，攻击者可以用符号链接替换二进制文件，从而导致安装程
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

Vendor Product Affected Versions CPE Subscribe
Google LLC Drive for Desktop MacOS unspecified ~ 64.0 -

II. Public POCs for CVE-2022-3421

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III. Intelligence Information for CVE-2022-3421

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Other References for CVE-2022-3421 (1)

IV. Related Vulnerabilities

Same vendor: Google LLC
Same weakness: CWE-264

V. Comments for CVE-2022-3421

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