漏洞信息
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Vulnerability Title
tarfile extraction filter bypass allows escaping the destination directory
Vulnerability Description
tarfile.extractall() with the 'data' or 'tar'
filter could be bypassed by a crafted archive where a hardlink
references a symlink stored at a deeper name than the hardlink itself.
The extraction fallback validated the symlink at it's archived location
but recreated it at the hardlink's shallower
path, letting a relative
target the filter judged contained escape the destination directory.
This allowed a malicious tar archive to create a symlink pointing
outside the destination, enabling out-of-destination file reads or
writes. This was an incomplete fix of CVE-2025-4330.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Vulnerability Title
Python Software Foundation CPython 路径遍历漏洞
Vulnerability Description
Python Software Foundation CPython是Python Software Foundation基金会的编程语言解释器。 Python Software Foundation CPython 存在安全漏洞,该漏洞源于tarfile.extractall()的'data'或'tar'过滤器可被绕过,其中提取回退在硬链接的较浅路径上重新创建了已验证的符号链接,导致相对目标可能逃逸目标目录,使恶意tar存档能创建指向目标外的符号链接,从而造成目录外文件读取或写入。
CVSS Information
N/A
Vulnerability Type
N/A