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Ubuntu 20.04: USN-4032-1 Important: Image Processing Denial of Service

ubuntu
Calendar Grey September 7, 2017
Dist Ubuntu Esm H88
Critical notification regarding a vulnerability in Ubuntu 17.04's file handling that could result in service disruption through specially crafted files. Update is accessible immediately.
The file utility could be made to crash if it opened a speciallycrafted file.

Summary

The file utility could be made to crash if it opened a specially

crafted file.

Software Description:

- file: Tool to determine file types

Details:

Thomas Jarosch discovered that file incorrectly handled certain ELF

files. An attacker could use this to cause file to crash, resulting

in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service critical file utility ubuntu

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 17.04:
  file                            1:5.29-3ubuntu0.1
  libmagic1                       1:5.29-3ubuntu0.1

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

References

https://ubuntu.com/security/notices/USN-3412-1

CVE-2017-1000249

Severity
important
Lowest
Low
Medium
High
Critical

September 07, 2017

Topics%20covered

Topics Covered

security advisory denial of service critical file utility ubuntu

Package Information

https://launchpad.net/ubuntu/+source/file/1:5.29-3ubuntu0.1

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