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Ubuntu 18.04 LTS USN-3768-1 Critical Ghostscript Remote Access

ubuntu
Calendar Grey September 19, 2018
Dist Ubuntu Esm H88
Numerous vulnerabilities addressed in Ghostscript as detailed in Ubuntu's security advisory USN-3768-1. It's crucial to apply system updates to maintain security.
Several security issues were fixed in Ghostscript.

Summary

Several security issues were fixed in Ghostscript.

Software Description:

- ghostscript: PostScript and PDF interpreter

Details:

Tavis Ormandy discovered multiple security issues in Ghostscript. If a user

or automated system were tricked into processing a specially crafted file,

a remote attacker could possibly use these issues to access arbitrary

files, execute arbitrary code, or cause a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service critical code execution remote access 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+1-0ubuntu1.2
  libgs9                          9.22~dfsg+1-0ubuntu1.2

Ubuntu 16.04 LTS:
  ghostscript                     9.18~dfsg~0-0ubuntu2.9
  libgs9                          9.18~dfsg~0-0ubuntu2.9

Ubuntu 14.04 LTS:
  ghostscript                     9.10~dfsg-0ubuntu10.13
  libgs9                          9.10~dfsg-0ubuntu10.13

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-3768-1

CVE-2018-11645, CVE-2018-15908, CVE-2018-15909, CVE-2018-15910,

CVE-2018-15911, CVE-2018-16509, CVE-2018-16510, CVE-2018-16511,

CVE-2018-16513, CVE-2018-16539, CVE-2018-16540, CVE-2018-16541,

CVE-2018-16542, CVE-2018-16543, CVE-2018-16585, CVE-2018-16802

Severity
critical
Lowest
Low
Medium
High
Critical

September 19, 2018

Topics%20covered

Topics Covered

security advisory denial of service critical code execution remote access ghostscript ubuntu

Package Information

https://launchpad.net/ubuntu/+source/ghostscript/9.22~dfsg+1-0ubuntu1.2
https://launchpad.net/ubuntu/+source/ghostscript/9.18~dfsg~0-0ubuntu2.9
https://launchpad.net/ubuntu/+source/ghostscript/9.10~dfsg-0ubuntu10.13

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