Objavljena je nova inačica programskog paketa libgssglue. Na taj je način riješen nedostatak koji je napadač mogao iskoristiti za povećanje ovlasti na ranjivom sustavu.
| Paket: |
libgssglue 0.x |
| Operacijski sustavi: |
Gentoo Linux |
| Kritičnost: |
5.4 |
| Problem: |
nepravilno rukovanje ovlastima |
| Iskorištavanje: |
lokalno |
| Posljedica: |
proizvoljno izvršavanje programskog koda |
| Rješenje: |
programska zakrpa proizvođača |
| CVE: |
CVE-2011-2709 |
| Izvorni ID preporuke: |
GLSA 201209-22 |
| Izvor: |
Gentoo |
| |
| Problem: |
Problem se javlja zbog nesigurnog rukovanja sa getenv() kod učitavanja biblioteka za setuid aplikaciju.
|
| Posljedica: |
Lokalni napadač mogao je iskoristiti ranjivost za povećanje ovlasti.
|
| Rješenje: |
Korisnici mogu slobodno preuzeti nadogradnju paketa.
|
Izvorni tekst preporuke
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Gentoo Linux Security Advisory GLSA 201209-22
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http://security.gentoo.org/
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Severity: High
Title: libgssglue: Privilege escalation
Date: September 28, 2012
Bugs: #385321
ID: 201209-22
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Synopsis
========
A vulnerability in libgssglue may allow a local attacker to gain
escalated privileges.
Background
==========
libgssglue exports a GSSAPI interface which calls other random GSSAPI
libraries.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-libs/libgssglue < 0.4 >= 0.4
Description
===========
libgssglue does not securely use getenv() when loading a library for a
setuid application.
Impact
======
A local attacker could gain escalated privileges.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All libgssglue users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-libs/libgssglue-0.4"
References
==========
[ 1 ] CVE-2011-2709
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2709
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201209-22.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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