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The pip package before 19.2 for Python allows Directory Traversal when a URL is given in an install command because a Content-Disposition header can have ../ in a filename as demonstrated by overwriting the /root/.ssh/authorized_keys file. This occurs in _download_http_url in _internal/download.py.

🗓️ 21 Dec 2020 08:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 1 Views

Pip before 19.2 allows directory traversal via install URL with ../ in Content-Disposition, risking file overwrite.

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microsoftcm1_python-pip_19.2-1Range<19.2-1

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21 Dec 2020 08:00Current
7High risk
Vulners AI Score7
CVSS 25
CVSS 3.17.5
EPSS0.00622
pipdirectory traversalinstall linkcontent dispositionprivileged file overwrite
1