USN-3577-1: CUPS vulnerability

Ubuntu Security Notice USN-3577-1

20th February, 2018

cups vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS

Summary

CUPS could be made to provide access to printers over the network.

Software description

  • cups
    – Common UNIX Printing System(tm)

Details

Jann Horn discovered that CUPS permitted HTTP requests with the Host
header set to “localhost.localdomain” from the loopback interface. If a
user were tricked in to opening a specially crafted website in their web
browser, an attacker could potentially exploit this to obtain sensitive
information or control printers, via a DNS rebinding attack.
(CVE-2017-18190)

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 16.04 LTS:
cups

2.1.3-4ubuntu0.4
Ubuntu 14.04 LTS:
cups

1.7.2-0ubuntu1.9

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.

References

CVE-2017-18190


Source From: ubuntu.com.
Original article title: USN-3577-1: CUPS vulnerability.
This full article can be read at: USN-3577-1: CUPS vulnerability.

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