You are here
Home > Preporuke > Sigurnosni nedostatak programskog paketa Zsh

Sigurnosni nedostatak programskog paketa Zsh

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Gentoo Linux Security Advisory GLSA 202003-55
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
https://security.gentoo.org/
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Severity: Normal
Title: Zsh: Privilege escalation
Date: March 25, 2020
Bugs: #711136
ID: 202003-55

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Synopsis
========

A vulnerability in Zsh might allow an attacker to escalate privileges.

Background
==========

A shell designed for interactive use, although it is also a powerful
scripting language.

Affected packages
=================

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 app-shells/zsh < 5.8 >= 5.8

Description
===========

It was discovered that Zsh was insecure dropping privileges when
unsetting PRIVILEGED option.

Impact
======

An attacker could escalate privileges.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Zsh users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=app-shells/zsh-5.8”

References
==========

[ 1 ] CVE-2019-20044
https://nvd.nist.gov/vuln/detail/CVE-2019-20044

Availability
============

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

https://security.gentoo.org/glsa/202003-55

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

—–BEGIN PGP SIGNATURE—–
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=Cgqp
—–END PGP SIGNATURE—–

Top
More in Preporuke
Sigurnosni nedostaci programskog paketa Pure-FTPd

Otkriveni su sigurnosni nedostaci u programskom paketu Pure-FTPd za operacijski sustav Gentoo. Otkriveni nedostaci potencijalnim udaljenim napadačima omogućuju izazivanje DoS...

Close