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:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.