Cryptographic issues in Portage - CVE-2013-2100
Published: September 30, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41273
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2013-2100
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Gentoo
Affected software:
Portage
Portage
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
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.
How to mitigate CVE-2013-2100
Install update from vendor's website.