N/A - USN-3842-1

Executive Summary

Summary
Title	CUPS vulnerability

Informations
Name	USN-3842-1	First vendor Publication	2018-12-10
Vendor	Ubuntu	Last vendor Modification	2018-12-10
Severity (Vendor)	N/A	Revision	N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score	NA
Base Score	NA	Environmental Score	NA
impact SubScore	NA	Temporal Score	NA
Exploitabality Sub Score	NA

Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score	N/A	Attack Range	N/A
Cvss Impact Score	N/A	Attack Complexity	N/A
Cvss Expoit Score	N/A	Authentication	N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS

Summary:

CUPS could be made to expose sensitive information.

Software Description: - cups: Common UNIX Printing System(tm)

Details:

Jann Horn discovered that CUPS incorrectly handled session cookie randomness. A remote attacker could possibly use this issue to perform cross-site request forgery (CSRF) attacks.

Update instructions:

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

Ubuntu 18.10:
cups 2.2.8-5ubuntu1.1

Ubuntu 18.04 LTS:
cups 2.2.7-1ubuntu2.2

Ubuntu 16.04 LTS:
cups 2.1.3-4ubuntu0.6

Ubuntu 14.04 LTS:
cups 1.7.2-0ubuntu1.11

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/usn/usn-3842-1
CVE-2018-4700

Package Information:
https://launchpad.net/ubuntu/+source/cups/2.2.8-5ubuntu1.1
https://launchpad.net/ubuntu/+source/cups/2.2.7-1ubuntu2.2
https://launchpad.net/ubuntu/+source/cups/2.1.3-4ubuntu0.6
https://launchpad.net/ubuntu/+source/cups/1.7.2-0ubuntu1.11