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Ubuntu 18.04 LTS USN-3636-1 Critical: Ghostscript Denial of Service

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Calendar Grey April 30, 2018
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The Ubuntu Security Notice USN-3636-1 addresses vulnerabilities associated with Ghostscript, providing essential guidance for resolving denial of service issues.
Several security issues were fixed in Ghostscript.

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)

Topics%20covered

Topics Covered

security advisory denial of service security issue critical software update ghostscript ubuntu

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://ubuntu.com/security/notices/USN-3636-1

  CVE-2016-10317, CVE-2018-10194

Severity
critical
Lowest
Low
Medium
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Critical

April 30, 2018

Topics%20covered

Topics Covered

security advisory denial of service security issue critical software update ghostscript ubuntu

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

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