Ubuntu Security Notice 3636-1 - It was discovered that Ghostscript incorrectly handled certain PostScript files. An attacker could possibly use this to cause a denial of server. It was discovered that Ghostscript incorrectly handled certain PDF files. An attacker could possibly use this to cause a denial of service.
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Ubuntu Security Notice USN-3636-1
April 30, 2018
ghostscript vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in Ghostscript.
Software Description:
- ghostscript: PostScript and PDF interpreter
Details:
It was discovered that Ghostscript incorrectly handled certain
PostScript files. An attacker could possibly use this to cause a denial
of server. (CVE-2016-10317)
It was discovered that Ghostscript incorrectly handled certain PDF
files. An attacker could possibly use this to cause a denial of
service. (CVE-2018-10194)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS:
ghostscript 9.22~dfsg+1-0ubuntu1.1
libgs9 9.22~dfsg+1-0ubuntu1.1
Ubuntu 17.10:
ghostscript 9.21~dfsg+1-0ubuntu3.1
libgs9 9.21~dfsg+1-0ubuntu3.1
Ubuntu 16.04 LTS:
ghostscript 9.18~dfsg~0-0ubuntu2.8
libgs9 9.18~dfsg~0-0ubuntu2.8
Ubuntu 14.04 LTS:
ghostscript 9.10~dfsg-0ubuntu10.12
libgs9 9.10~dfsg-0ubuntu10.12
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/usn/usn-3636-1
CVE-2016-10317, CVE-2018-10194
Package Information:
https://launchpad.net/ubuntu/+source/ghostscript/9.22~dfsg+1-0ubuntu1.1
https://launchpad.net/ubuntu/+source/ghostscript/9.21~dfsg+1-0ubuntu3.1
https://launchpad.net/ubuntu/+source/ghostscript/9.18~dfsg~0-0ubuntu2.8
https://launchpad.net/ubuntu/+source/ghostscript/9.10~dfsg-0ubuntu10.12