USN-3608-1: Zsh vulnerabilities

27 March 2018

Several security issues were fixed in Zsh.

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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)

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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.

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Update instructions

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

Ubuntu 17.10
Ubuntu 16.04
Ubuntu 14.04

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

References

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Further reading