Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2019.0013
[DLA 1620-1] ghostscript security update
2 January 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: ghostscript
Publisher: Debian
Operating System: Debian GNU/Linux 8
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-19478 CVE-2018-19134
Reference: ESB-2018.3902
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2018/12/msg00019.html
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Package : ghostscript
Version : 9.06~dfsg-2+deb8u13
CVE ID : CVE-2018-19134 CVE-2018-19478
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.
For Debian 8 "Jessie", these problems have been fixed in version
9.06~dfsg-2+deb8u13.
We recommend that you upgrade your ghostscript packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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Australian Computer Emergency Response Team
The University of Queensland
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Internet Email: auscert@auscert.org.au
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