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Ubuntu Security Notice USN-3803-1

Ubuntu Security Notice USN-3803-1
Posted Oct 31, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3803-1 - 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-2018-17961
MD5 | 97ae7f346ed335a9c5662259e484085f

Ubuntu Security Notice USN-3803-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3803-1
October 30, 2018

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

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

- Ubuntu 18.10
- 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 18.10:
ghostscript 9.25~dfsg+1-0ubuntu1.1
libgs9 9.25~dfsg+1-0ubuntu1.1

Ubuntu 18.04 LTS:
ghostscript 9.25~dfsg+1-0ubuntu0.18.04.2
libgs9 9.25~dfsg+1-0ubuntu0.18.04.2

Ubuntu 16.04 LTS:
ghostscript 9.25~dfsg+1-0ubuntu0.16.04.2
libgs9 9.25~dfsg+1-0ubuntu0.16.04.2

Ubuntu 14.04 LTS:
ghostscript 9.25~dfsg+1-0ubuntu0.14.04.2
libgs9 9.25~dfsg+1-0ubuntu0.14.04.2

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

References:
https://usn.ubuntu.com/usn/usn-3803-1
CVE-2018-17961, CVE-2018-18073, CVE-2018-18284

Package Information:
https://launchpad.net/ubuntu/+source/ghostscript/9.25~dfsg+1-0ubuntu1.1
https://launchpad.net/ubuntu/+source/ghostscript/9.25~dfsg+1-0ubuntu0.18.04.2
https://launchpad.net/ubuntu/+source/ghostscript/9.25~dfsg+1-0ubuntu0.16.04.2
https://launchpad.net/ubuntu/+source/ghostscript/9.25~dfsg+1-0ubuntu0.14.04.2

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