CVE-2011-4407 Security feature bypass in n/a
Man-in-the-middle attackers can spoof GPG keys for package repositories by bypassing certificate validation in Software Properties, potentially leading to malicious code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-4407?
CVE-2011-4407 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 14 May 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ppa.py in Software Properties before 0.81.13.3 does not validate the server certificate when downloading PPA GPG key fingerprints, which allows man-in-the-middle (MITM) attackers to spoof GPG keys for a package repository.
Weakness: CWE-20
Which versions are affected by CVE-2011-4407?
It affects 2 products.
Products include Canonical Software-Properties, Canonical Ubuntu Linux.
How do I fix CVE-2011-4407?
Upgrade to a fixed version.
Is CVE-2011-4407 being exploited?
There is no known exploitation of CVE-2011-4407 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2011-4407, GHSA-m49h-wwcv-rf5m.