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The urlopen function in pym/portage/util/_urlopen.py in Gentoo Portage 2.1.12, when using HTTPS, does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and modify binary package lists via a crafted certificate.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Gentoo Linux | — | Upgrade sys-apps/portage. | Oct 30, 2017 | Sep 29, 2014 |
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