漏洞信息
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Vulnerability Title
rclone Archive Backend SquashFS Parser Denial of Service
Vulnerability Description
rclone versions >= v1.72.0 and <= v1.74.4 (fixed in v1.75.0) contain multiple denial-of-service vulnerabilities in the archive backend's SquashFS parser, which relies on the github.com/diskfs/go-diskfs dependency. The parser fails to validate attacker-controlled superblock and metadata values before use. An attacker who can place or modify a SquashFS image in storage exposed through an rclone :archive: remote can craft a malicious image that triggers an integer division-by-zero panic (zero block size), an out-of-bounds slice panic (out-of-range inode metadata offset), or a non-progress CPU loop (truncated metadata stream). Variants 1 and 2 terminate the rclone process and, via 'rclone serve sftp', can crash the entire SFTP server; variant 3 causes sustained CPU consumption. Parsing is lazy, so a victim or remote client must address or descend into the malicious archive object to trigger it.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
对数组索引的验证不恰当
Vulnerability Title
Rclone 输入验证错误漏洞
Vulnerability Description
Rclone是Rclone团队开源的一款命令行云存储文件同步工具。 Rclone 1.72.0版本至1.74.4版本存在输入验证错误漏洞,该漏洞源于SquashFS解析器未验证攻击者控制的superblock和metadata值,可能导致拒绝服务攻击。
CVSS Information
N/A
Vulnerability Type
N/A