Ubuntu Security Notice USN-2699-1
30th July, 2015
hplip vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
HPLIP could be tricked into downloading a different GPG key when
performing printer plugin installations.
Software description
- hplip
– HP Linux Printing and Imaging System (HPLIP)
Details
Enrico Zini discovered that HPLIP used a short GPG key ID when downloading
keys from the keyserver. An attacker could possibly use this to return a
different key with a duplicate short key id and perform a man-in-the-middle
attack on printer plugin installations.
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 15.04:
-
hplip-data
3.15.2-0ubuntu4.2
- Ubuntu 14.04 LTS:
-
hplip-data
3.14.3-0ubuntu3.4
- Ubuntu 12.04 LTS:
-
hplip-data
3.12.2-1ubuntu3.5
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.