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.
6dd983d679492b9318efe888eca4eb9bab8194da18e90f8b337f86dad6d87e3d
==========================================================================
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