U radu naredbe Sudo uočen je sigurnosni propust kojeg lokalni napadači mogu iskoristiti za zaobilaženje postavljenih ograničenja i dobivanje većih ovlasti.
Paket:
Sudo 1.x
Operacijski sustavi:
Gentoo Linux
Kritičnost:
6.3
Problem:
pogreška u programskoj komponenti
Iskorištavanje:
lokalno
Posljedica:
dobivanje većih privilegija, zaobilaženje postavljenih ograničenja
Rješenje:
programska zakrpa proizvođača
CVE:
CVE-2012-2337
Izvorni ID preporuke:
GLSA 201207-01
Izvor:
Gentoo
Problem:
Do problema dolazi ako se koristi više mrežnih maski u Host/Host_List konfiguraciji sudoers datoteke.
Posljedica:
Napadačima omogućuje zaobilaženje postavljenih ograničenja i stjecanje većih ovlasti.
Rješenje:
Korisnicima se savjetuje instalacija odgovarajućih sigurnosnih zakrpa.
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Gentoo Linux Security Advisory GLSA 201207-01
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http://security.gentoo.org/
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Severity: High
Title: sudo: Privilege escalation
Date: July 09, 2012
Bugs: #416281
ID: 201207-01
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Synopsis
========
A vulnerability has been found in sudo which may allow local users to
gain escalated privileges.
Background
==========
sudo allows a system administrator to give users the ability to run
commands as other users. Access to commands may also be granted on a
range to hosts.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-admin/sudo < 1.8.5_p1 >= 1.8.5_p1
Description
===========
An error in sudo may allow unintended IPv4 hosts to be granted access
to commands.
Impact
======
A local attacker could gain escalated privileges.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All sudo users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-admin/sudo-1.8.5_p1"
References
==========
[ 1 ] CVE-2012-2337
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2337
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201207-01.xml
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
Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite. or alternatively, you may file a bug at
https://bugs.gentoo.org.
License
=======
Copyright 2012 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.
http://creativecommons.org/licenses/by-sa/2.5
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