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Ubuntu Security Notice USN-4066-1

Ubuntu Security Notice USN-4066-1
Posted Jul 19, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4066-1 - It was discovered that libmspack incorrectly handled certain CHM files. A remote attacker could possibly use this issue to access sensitive information.

tags | advisory, remote
systems | linux, ubuntu
advisories | CVE-2019-1010305
MD5 | 6800260250ac2328cef66a5e824412f6

Ubuntu Security Notice USN-4066-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4066-1
July 18, 2019

libmspack vulnerability
==========================================================================

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

libmspack could be made to expose sensitive information if it received
a specially crafted CHM file.

Software Description:
- libmspack: library for Microsoft compression formats

Details:

It was discovered that libmspack incorrectly handled certain CHM files.
A remote attacker could possibly use this issue to access sensitive information.

Update instructions:

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

Ubuntu 18.04 LTS:
libmspack0 0.6-3ubuntu0.3

Ubuntu 16.04 LTS:
libmspack0 0.5-1ubuntu0.16.04.4

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

References:
https://usn.ubuntu.com/4066-1
CVE-2019-1010305

Package Information:
https://launchpad.net/ubuntu/+source/libmspack/0.6-3ubuntu0.3
https://launchpad.net/ubuntu/+source/libmspack/0.5-1ubuntu0.16.04.4

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