SB2014093011 - Cryptographic issues in Gentoo Portage
Published: September 30, 2014 Updated: August 10, 2020
Security Bulletin ID
SB2014093011
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cryptographic issues (CVE-ID: CVE-2013-2100)
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.
Remediation
Install update from vendor's website.