1. Ubuntu Security Notices
  2. USN-3608-1

USN-3608-1: Zsh vulnerabilities

Publication date

27 March 2018

Overview

Several security issues were fixed in Zsh.

Releases

Packages

  • zsh - shell with lots of features

Details

Richard Maciel Costa discovered that Zsh incorrectly handled certain inputs.
An attacker could possibly use this to cause a denial of service. (CVE-2018-1071)

It was discovered that Zsh incorrectly handled certain files. An attacker could
possibly use this to execute arbitrary code. (CVE-2018-1083)

Richard Maciel Costa discovered that Zsh incorrectly handled certain inputs.
An attacker could possibly use this to cause a denial of service. (CVE-2018-1071)

It was discovered that Zsh incorrectly handled certain files. An attacker could
possibly use this to execute arbitrary code. (CVE-2018-1083)

Update instructions

After a standard system update you need to restart Zsh to make all the necessary changes

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
17.10 artful zsh –  5.2-5ubuntu1.2
16.04 xenial zsh –  5.1.1-1ubuntu2.2
14.04 trusty zsh –  5.0.2-3ubuntu6.2

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›