- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 202003-58
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                           https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 Severity: Normal
    Title: UnZip: User-assisted execution of arbitrary code
     Date: March 26, 2020
     Bugs: #647008, #691566
       ID: 202003-58

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
=======
Multiple vulnerabilities have been found in UnZip, the worst of which
could result in the execution of arbitrary code.

Background
=========
Info-ZIP's UnZip is a tool to list and extract files inside PKZIP
compressed files.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-arch/unzip              < 6.0_p25                 >= 6.0_p25

Description
==========
Multiple vulnerabilities have been discovered in UnZip. Please review
the CVE identifiers referenced below for details.

Impact
=====
A remote attacker could entice a user to open a specially crafted ZIP
archive using UnZip, possibly resulting in execution of arbitrary code
with the privileges of the process or a Denial of Service condition.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All UnZip users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-arch/unzip-6.0_p25"

References
=========
[ 1 ] CVE-2018-1000035
      https://nvd.nist.gov/vuln/detail/CVE-2018-1000035
[ 2 ] CVE-2019-13232
      https://nvd.nist.gov/vuln/detail/CVE-2019-13232

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202003-58

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2020 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5/