USN-3148-1: Ghostscript vulnerabilities

Ubuntu Security Notice USN-3148-1

1st December, 2016

ghostscript vulnerabilities

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

• Ubuntu 16.10
• Ubuntu 16.04 LTS
• Ubuntu 14.04 LTS
• Ubuntu 12.04 LTS

Summary

Ghostscript could be made to crash, run programs, or disclose sensitive information if it processed a specially crafted file.

Software description

• ghostscript - PostScript and PDF interpreter

Details

Tavis Ormandy discovered multiple vulnerabilities in the way that Ghostscript
processes certain Postscript files. If a user or automated system were tricked
into opening a specially crafted file, an attacker could cause a denial of
service or possibly execute arbitrary code. (CVE-2016-7976, CVE-2016-7978,
CVE-2016-7979, CVE-2016-8602)

Multiple vulnerabilities were discovered in Ghostscript related to information
disclosure. If a user or automated system were tricked into opening a specially
crafted file, an attacker could expose sensitive data. (CVE-2013-5653,
CVE-2016-7977)

Update instructions

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

Ubuntu 16.10:

ghostscript-x 9.19~dfsg+1-0ubuntu6.2

ghostscript 9.19~dfsg+1-0ubuntu6.2

libgs9 9.19~dfsg+1-0ubuntu6.2

libgs9-common 9.19~dfsg+1-0ubuntu6.2

Ubuntu 16.04 LTS:

ghostscript-x 9.18~dfsg~0-0ubuntu2.2

ghostscript 9.18~dfsg~0-0ubuntu2.2

libgs9 9.18~dfsg~0-0ubuntu2.2

libgs9-common 9.18~dfsg~0-0ubuntu2.2

Ubuntu 14.04 LTS:

ghostscript-x 9.10~dfsg-0ubuntu10.5

ghostscript 9.10~dfsg-0ubuntu10.5

libgs9 9.10~dfsg-0ubuntu10.5

libgs9-common 9.10~dfsg-0ubuntu10.5

Ubuntu 12.04 LTS:

ghostscript-x 9.05~dfsg-0ubuntu4.4

ghostscript 9.05~dfsg-0ubuntu4.4

libgs9 9.05~dfsg-0ubuntu4.4

libgs9-common 9.05~dfsg-0ubuntu4.4

To update your system, please follow these instructions: http://ift.tt/17VXqjU.

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

References

CVE-2013-5653, CVE-2016-7976, CVE-2016-7977, CVE-2016-7978, CVE-2016-7979, CVE-2016-8602

from Ubuntu Security Notices http://ift.tt/2gS79zd