CVE-2011-4407

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.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.13%
Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-1352-1 vendor advisory
https://bugs.launchpad.net/ubuntu/%2Bsource/software-properties/%2Bbug/915210

Frequently Asked Questions

What is the severity of CVE-2011-4407?
CVE-2011-4407 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4407?
To fix CVE-2011-4407, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4407 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-4407 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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