USN-4672-1: unzip vulnerabilities

Publication date

16 December 2020

Overview

Several security issues were fixed in unzip.


Packages

  • unzip - De-archiver for .zip files

Details

Rene Freingruber discovered that unzip incorrectly handled certain
specially crafted password protected ZIP archives. If a user or automated
system using unzip were tricked into opening a specially crafted zip file,
an attacker could exploit this to cause a crash, resulting in a denial of
service. (CVE-2018-1000035)

Antonio Carista discovered that unzip incorrectly handled certain
specially crafted ZIP archives. If a user or automated system using unzip
were tricked into opening a specially crafted zip file, an attacker could
exploit this to cause a crash, resulting in a denial of service. This
issue only affected Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
(CVE-2018-18384)

It was discovered that unzip incorrectly handled certain specially crafted
ZIP archives. If a user or automated system using unzip were tricked into
opening a specially crafted...

Rene Freingruber discovered that unzip incorrectly handled certain
specially crafted password protected ZIP archives. If a user or automated
system using unzip were tricked into opening a specially crafted zip file,
an attacker could exploit this to cause a crash, resulting in a denial of
service. (CVE-2018-1000035)

Antonio Carista discovered that unzip incorrectly handled certain
specially crafted ZIP archives. If a user or automated system using unzip
were tricked into opening a specially crafted zip file, an attacker could
exploit this to cause a crash, resulting in a denial of service. This
issue only affected Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
(CVE-2018-18384)

It was discovered that unzip incorrectly handled certain specially crafted
ZIP archives. If a user or automated system using unzip were tricked into
opening a specially crafted zip file, an attacker could exploit this to
cause resource consumption, resulting in a denial of service.
(CVE-2019-13232)

Martin Carpenter discovered that unzip incorrectly handled certain
specially crafted ZIP archives. If a user or automated system using unzip
were tricked into opening a specially crafted zip file, an attacker could
exploit this to cause a crash, resulting in a denial of service. This
issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04
LTS. (CVE-2014-9913)

Alexis Vanden Eijnde discovered that unzip incorrectly handled certain
specially crafted ZIP archives. If a user or automated system using unzip
were tricked into opening a specially crafted zip file, an attacker could
exploit this to cause a crash, resulting in a denial of service. This
issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04
LTS. (CVE-2016-9844)


Update instructions

In general, a standard system update will 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
18.04 bionic unzip –  6.0-21ubuntu1.1
16.04 xenial unzip –  6.0-20ubuntu1.1
14.04 trusty unzip –  6.0-9ubuntu1.6  
12.04 precise unzip –  6.0-4ubuntu2.6

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