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[USN-3394-1] libmspack vulnerabilities

Posted on 17 August 2017
Ubuntu Security

==========================
==========================
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Ubuntu Security Notice USN-3394-1
August 17, 2017

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

- Ubuntu 17.04
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in libmspack.

Software Description:
- libmspack: library for Microsoft compression formats

Details:

It was discovered that libmspack incorrectly handled certain malformed CH=
M
files. A remote attacker could use this issue to cause libmspack to crash=
,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2017-6419)

It was discovered that libmspack incorrectly handled certain malformed CA=
B
files. A remote attacker could use this issue to cause libmspack to crash=
,
resulting in a denial of service. (CVE-2017-6419)

Update instructions:

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

Ubuntu 17.04:
libmspack0 0.5-1ubuntu0.17.04.1

Ubuntu 16.04 LTS:
libmspack0 0.5-1ubuntu0.16.04.1

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


References:
https://www.ubuntu.com/usn/usn-3394-1
CVE-2017-11423, CVE-2017-6419

Package Information:
https://launchpad.net/ubuntu/+source/libmspack/0.5-1ubuntu0.17.04.1
https://launchpad.net/ubuntu/+source/libmspack/0.5-1ubuntu0.16.04.1



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