---
title: "CVE-2012-5356\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2012-5356?format=md
keywords: index, follow
---

# CVE-2012-5356

Publication date 10 October 2012

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## Description

The apt-add-repository tool in Ubuntu Software Properties 0.75.x before
0.75.10.3, 0.80.x before 0.80.9.2, 0.81.x before 0.81.13.5, 0.82.x before
0.82.7.3, and 0.92.x before 0.92.8 does not properly check PPA GPG keys
imported from a keyserver, which allows remote attackers to install
arbitrary package repository GPG keys via a man-in-the-middle (MITM)
attack.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| software-properties | 12.04 LTS precise | Fixed 0.82.7.3 |
| 11.10 oneiric | Fixed 0.81.13.5 |
| 11.04 natty | Fixed 0.80.9.2 |
| 10.04 LTS lucid | Fixed 0.75.10.3 |
| 8.04 LTS hardy | Ignored end of life |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5356)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2012-5356)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2012-5356)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2012-5356)

### Other references

* <https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1016643>
* <http://xforce.iss.net/xforce/xfdb/78990>
* <https://www.cve.org/CVERecord?id=CVE-2012-5356>
