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Ubuntu Security Notice USN-3403-1

Ubuntu Security Notice USN-3403-1
Posted Aug 28, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3403-1 - Kamil Frankowicz discovered that Ghostscript mishandles references. A remote attacker could use this to cause a denial of service. Kim Gwan Yeong discovered that Ghostscript could allow a heap-based buffer over-read and application crash. A remote attacker could use a crafted document to cause a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2017-11714, CVE-2017-9612, CVE-2017-9726, CVE-2017-9727, CVE-2017-9739, CVE-2017-9835
MD5 | 9208f40dc0fca6b20b8bd44ffe26dae8

Ubuntu Security Notice USN-3403-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3403-1
August 28, 2017

ghostscript vulnerabilities
==========================================================================

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

- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Ghostscript.

Software Description:
- ghostscript: PostScript and PDF interpreter

Details:

Kamil Frankowicz discovered that Ghostscript mishandles references.
A remote attacker could use this to cause a denial of service.
(CVE-2017-11714)

Kim Gwan Yeong discovered that Ghostscript could allow a heap-based
buffer over-read and application crash. A remote attacker could use a
crafted document to cause a denial of service. (CVE-2017-9611,A
CVE-2017-9726, CVE-2017-9727, CVE-2017-9739)

Kim Gwan Yeong discovered an use-after-free vulnerability in
Ghostscript. A remote attacker could use a crafted file to cause a
denial of service. (CVE-2017-9612)

Kim Gwan Yeong discovered a lack of integer overflow check in
Ghostscript. A remote attacker could use crafted PostScript document to
cause a denial of service. (CVE-2017-9835)

Update instructions:

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

Ubuntu 17.04:
A ghostscriptA A A A A A A A A A A A A A A A A A A A A 9.19~dfsg+1-0ubuntu7.6
A ghostscript-xA A A A A A A A A A A A A A A A A A A 9.19~dfsg+1-0ubuntu7.6
A libgs9A A A A A A A A A A A A A A A A A A A A A A A A A A 9.19~dfsg+1-0ubuntu7.6
A libgs9-commonA A A A A A A A A A A A A A A A A A A 9.19~dfsg+1-0ubuntu7.6

Ubuntu 16.04 LTS:
A ghostscriptA A A A A A A A A A A A A A A A A A A A A 9.18~dfsg~0-0ubuntu2.7
A ghostscript-xA A A A A A A A A A A A A A A A A A A 9.18~dfsg~0-0ubuntu2.7
A libgs9A A A A A A A A A A A A A A A A A A A A A A A A A A 9.18~dfsg~0-0ubuntu2.7
A libgs9-commonA A A A A A A A A A A A A A A A A A A 9.18~dfsg~0-0ubuntu2.7

Ubuntu 14.04 LTS:
A ghostscriptA A A A A A A A A A A A A A A A A A A A A 9.10~dfsg-0ubuntu10.10
A ghostscript-xA A A A A A A A A A A A A A A A A A A 9.10~dfsg-0ubuntu10.10
A libgs9A A A A A A A A A A A A A A A A A A A A A A A A A A 9.10~dfsg-0ubuntu10.10
A libgs9-commonA A A A A A A A A A A A A A A A A A A 9.10~dfsg-0ubuntu10.10

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

References:
A https://www.ubuntu.com/usn/usn-3403-1
A CVE-2017-11714, CVE-2017-9611, CVE-2017-9612, CVE-2017-9726,
A CVE-2017-9727, CVE-2017-9739, CVE-2017-9835

Package Information:
A https://launchpad.net/ubuntu/+source/ghostscript/9.19~dfsg+1-0ubuntu7.6
A https://launchpad.net/ubuntu/+source/ghostscript/9.18~dfsg~0-0ubuntu2.7
A https://launchpad.net/ubuntu/+source/ghostscript/9.10~dfsg-0ubuntu10.10

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