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Ubuntu Security Notice USN-4100-1

Ubuntu Security Notice USN-4100-1
Posted Aug 19, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4100-1 - It was discovered that KConfig and KDE libraries have a vulnerability where an attacker could hide malicious code under desktop and configuration files. It was discovered that KConfig allows remote attackers to write to arbitrary files via a ../ in a filename in an archive file.

tags | advisory, remote, arbitrary
systems | linux, ubuntu
advisories | CVE-2016-6232, CVE-2019-14744
SHA-256 | 94d50b13c51638daf9db02d19ba31bdcae667c02371857be73dd9cdd16b2bfb4

Ubuntu Security Notice USN-4100-1

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-4100-1
August 16, 2019

kconfig, kde4libs vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

KConfig and KDE libraries could be made to crash or run programs if it
opened a specially crafted file.

Software Description:
- kconfig: configuration settings framework for Qt
- kde4libs: KDE 4 core applications and libraries

Details:

It was discovered that KConfig and KDE libraries have a vulnerability
where an attacker could hide malicious code under desktop and
configuration files. (CVE-2019-14744)

It was discovered that KConfig allows remote attackers to write to
arbitrary files via a ../ in a filename in an archive file. (CVE-2016-6232)

Update instructions:

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

Ubuntu 19.04:
libkdecore5 4:4.14.38-0ubuntu6.1
libkf5configcore5 5.56.0-0ubuntu1.1

Ubuntu 18.04 LTS:
libkdecore5 4:4.14.38-0ubuntu3.1
libkf5configcore5 5.44.0-0ubuntu1.1

Ubuntu 16.04 LTS:
libkdecore5 4:4.14.16-0ubuntu3.3
libkf5configcore5 5.18.0-0ubuntu1.1

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

References:
https://usn.ubuntu.com/4100-1
CVE-2016-6232, CVE-2019-14744

Package Information:
https://launchpad.net/ubuntu/+source/kconfig/5.56.0-0ubuntu1.1
https://launchpad.net/ubuntu/+source/kde4libs/4:4.14.38-0ubuntu6.1
https://launchpad.net/ubuntu/+source/kconfig/5.44.0-0ubuntu1.1
https://launchpad.net/ubuntu/+source/kde4libs/4:4.14.38-0ubuntu3.1
https://launchpad.net/ubuntu/+source/kconfig/5.18.0-0ubuntu1.1
https://launchpad.net/ubuntu/+source/kde4libs/4:4.14.16-0ubuntu3.3
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