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Ubuntu Security Notice USN-4340-1

Ubuntu Security Notice USN-4340-1
Posted Apr 27, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4340-1 - It was discovered that CUPS incorrectly handled certain language values. A local attacker could possibly use this issue to cause CUPS to crash, leading to a denial of service, or possibly obtain sensitive information. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 19.10. Stephan Zeisberg discovered that CUPS incorrectly handled certain malformed ppd files. A local attacker could possibly use this issue to execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2019-2228, CVE-2020-3898
MD5 | 1869b615f0f1e445e83c082a66ebb3b3

Ubuntu Security Notice USN-4340-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4340-1
April 27, 2020

cups vulnerabilities
==========================================================================

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

- Ubuntu 20.04
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in CUPS.

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

Details:

It was discovered that CUPS incorrectly handled certain language values. A
local attacker could possibly use this issue to cause CUPS to crash,
leading to a denial of service, or possibly obtain sensitive information.
This issue only applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu
19.10. (CVE-2019-2228)

Stephan Zeisberg discovered that CUPS incorrectly handled certain malformed
ppd files. A local attacker could possibly use this issue to execute
arbitrary code. (CVE-2020-3898)

Update instructions:

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

Ubuntu 20.04:
cups 2.3.1-9ubuntu1.1

Ubuntu 19.10:
cups 2.2.12-2ubuntu1.1

Ubuntu 18.04 LTS:
cups 2.2.7-1ubuntu2.8

Ubuntu 16.04 LTS:
cups 2.1.3-4ubuntu0.11

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

References:
https://usn.ubuntu.com/4340-1
CVE-2019-2228, CVE-2020-3898

Package Information:
https://launchpad.net/ubuntu/+source/cups/2.3.1-9ubuntu1.1
https://launchpad.net/ubuntu/+source/cups/2.2.12-2ubuntu1.1
https://launchpad.net/ubuntu/+source/cups/2.2.7-1ubuntu2.8
https://launchpad.net/ubuntu/+source/cups/2.1.3-4ubuntu0.11

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