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Ubuntu Security Notice USN-3608-1

Ubuntu Security Notice USN-3608-1
Posted Mar 28, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3608-1 - Richard Maciel Costa discovered that Zsh incorrectly handled certain inputs. An attacker could possibly use this to cause a denial of service. It was discovered that Zsh incorrectly handled certain files. An attacker could possibly use this to execute arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-1071, CVE-2018-1083
MD5 | b98b78ad65c29adcbcbe655c46243822

Ubuntu Security Notice USN-3608-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3608-1
March 27, 2018

zsh vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Zsh.

Software Description:
- 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)

Update instructions:

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

Ubuntu 17.10:
zsh 5.2-5ubuntu1.2

Ubuntu 16.04 LTS:
zsh 5.1.1-1ubuntu2.2

Ubuntu 14.04 LTS:
zsh 5.0.2-3ubuntu6.2

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

References:
https://usn.ubuntu.com/usn/usn-3608-1
CVE-2018-1071, CVE-2018-1083

Package Information:
https://launchpad.net/ubuntu/+source/zsh/5.2-5ubuntu1.2
https://launchpad.net/ubuntu/+source/zsh/5.1.1-1ubuntu2.2
https://launchpad.net/ubuntu/+source/zsh/5.0.2-3ubuntu6.2

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