CyberRota Analysis
AI-GeneratedThe vulnerability in the tarfile module allows for the creation of empty directories outside the intended extraction destination on POSIX platforms due to insufficient containment checks. While the member contents remain secure within the designated directory, this flaw could be exploited to manipulate directory structures, potentially leading to confusion or misuse of the filesystem. Organizations using POSIX systems should prioritize patching this vulnerability to mitigate risks associated with unauthorized directory creation.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
The tarfile module's tar and data extraction filters created directories outside the destination for members whose name leaves the destination and returns to it, such as ../evil/../dest/sub/file. The containment check used the resolved path, but intermediate directories were created from the name as given. Only empty directories are created outside the destination. Member contents are still extracted inside it. To return to the destination the member's name must contain the destination directory's own final component, so extraction into a secure randomised directory is not affected. This affects POSIX platforms only. On Windows, .. components are collapsed before the path reaches the filesystem, so the directories outside the destination are never created.