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CVE-2024-52522— Rclone Improper Permission and Ownership Handling on Symlink Targets with --links and --metadata

Quick assessment

Affected
rclone rclone
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.

Rclone是Rclone团队的一个可以从云存储异步同步数据的软件。该软件支持 Google Drive, Amazon Drive, S3, Dropbox, Backblaze B2, One Drive, Swift, Hubic, Cloudfiles, Google Cloud Storage, Yandex Files等云存储。 Rclone存在安全漏洞，该漏洞源于对符号链接的 --links 和 --metadata 处理不安全。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.24% · P14
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I. Basic Information for CVE-2024-52522

Vulnerability Information
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Vulnerability Title
Rclone Improper Permission and Ownership Handling on Symlink Targets with --links and --metadata
Source: CVE Program / CVE List V5
Vulnerability Description
Rclone is a command-line program to sync files and directories to and from different cloud storage providers. Insecure handling of symlinks with --links and --metadata in rclone while copying to local disk allows unprivileged users to indirectly modify ownership and permissions on symlink target files when a superuser or privileged process performs a copy. This vulnerability could enable privilege escalation and unauthorized access to critical system files, compromising system integrity, confidentiality, and availability. This vulnerability is fixed in 1.68.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Rclone 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rclone是Rclone团队的一个可以从云存储异步同步数据的软件。该软件支持 Google Drive, Amazon Drive, S3, Dropbox, Backblaze B2, One Drive, Swift, Hubic, Cloudfiles, Google Cloud Storage, Yandex Files等云存储。 Rclone存在安全漏洞，该漏洞源于对符号链接的 --links 和 --metadata 处理不安全。
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
rclone rclone >= 1.59.0, < 1.68.2 -

II. Public POCs for CVE-2024-52522

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III. Intelligence Information for CVE-2024-52522

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Patches & Fixes for CVE-2024-52522 (1)

Vendor Advisories for CVE-2024-52522 (1)

IV. Related Vulnerabilities

Same product: rclone
Same vendor: rclone
Same weakness: CWE-59

V. Comments for CVE-2024-52522

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