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Debian LTS Advisory ([SECURITY] [DLA 1620-1] ghostscript security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Some vulnerabilities were discovered in ghostscript, an interpreter for the PostScript language and for PDF. CVE-2018-19134 The setpattern operator did not properly validate certain types. A specially crafted PostScript document could exploit this to crash Ghostscript or, possibly, execute arbitrary code in the context of the Ghostscript process. This is a type confusion issue because of failure to check whether the Implementation of a pattern dictionary was a structure type. CVE-2018-19478 Attempting to open a carefully crafted PDF file results in long-running computation. A sufficiently bad page tree can lead to us taking significant amounts of time when checking the tree for recursion.
Affected Software
Affected Software
ghostscript on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For Debian 8 'Jessie', these problems have been fixed in version 9.06~dfsg-2+deb8u13. We recommend that you upgrade your ghostscript packages.