漏洞信息
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Vulnerability Title
tar-rs 0.4.11 - 0.4.46 Symlink Escape via append_dir_all()
Vulnerability Description
tar-rs versions 0.4.11 through 0.4.46 contain a symlink escape vulnerability in the Builder::append_dir_all() function that allows attackers to read files outside the intended source root directory by planting symlinks in an attacker-controlled directory. When a privileged process archives an untrusted directory, the function follows symlinks without verifying that resolved targets remain within the source root, causing out-of-bounds files to be included in the archive as regular files and disclosed to the attacker.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Vulnerability Title
composefs tar-rs 后置链接漏洞
Vulnerability Description
composefs tar-rs是composefs组织的一个归档文件处理库。 composefs tar-rs 0.4.11版本至0.4.46版本存在后置链接漏洞,该漏洞源于Builder::append_dir_all()函数存在符号链接逃逸问题,未验证符号链接解析目标是否在源根目录内,可能导致攻击者读取源根目录之外的文件。
CVSS Information
N/A
Vulnerability Type
N/A