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Ubuntu Security Notice USN-3768-1

Ubuntu Security Notice USN-3768-1
Posted Sep 19, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3768-1 - Tavis Ormandy discovered multiple security issues in Ghostscript. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use these issues to access arbitrary files, execute arbitrary code, or cause a denial of service.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-11645, CVE-2018-15911, CVE-2018-16513, CVE-2018-16542
SHA-256 | de5e6e2ac268791112b32245e79a1edae5050186138c910f625de3a6f7a7c619

Ubuntu Security Notice USN-3768-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3768-1
September 19, 2018

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

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Ghostscript.

Software Description:
- ghostscript: PostScript and PDF interpreter

Details:

Tavis Ormandy discovered multiple security issues in Ghostscript. If a user
or automated system were tricked into processing a specially crafted file,
a remote attacker could possibly use these issues to access arbitrary
files, execute arbitrary code, or cause a denial of service.

Update instructions:

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

Ubuntu 18.04 LTS:
ghostscript 9.22~dfsg+1-0ubuntu1.2
libgs9 9.22~dfsg+1-0ubuntu1.2

Ubuntu 16.04 LTS:
ghostscript 9.18~dfsg~0-0ubuntu2.9
libgs9 9.18~dfsg~0-0ubuntu2.9

Ubuntu 14.04 LTS:
ghostscript 9.10~dfsg-0ubuntu10.13
libgs9 9.10~dfsg-0ubuntu10.13

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

References:
https://usn.ubuntu.com/usn/usn-3768-1
CVE-2018-11645, CVE-2018-15908, CVE-2018-15909, CVE-2018-15910,
CVE-2018-15911, CVE-2018-16509, CVE-2018-16510, CVE-2018-16511,
CVE-2018-16513, CVE-2018-16539, CVE-2018-16540, CVE-2018-16541,
CVE-2018-16542, CVE-2018-16543, CVE-2018-16585, CVE-2018-16802

Package Information:
https://launchpad.net/ubuntu/+source/ghostscript/9.22~dfsg+1-0ubuntu1.2
https://launchpad.net/ubuntu/+source/ghostscript/9.18~dfsg~0-0ubuntu2.9
https://launchpad.net/ubuntu/+source/ghostscript/9.10~dfsg-0ubuntu10.13

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