Uočen je i ispravljen novi sigurnosni propust u radu programskog paketa msmtp. Spomenuti je propust udaljeni napadač mogao iskoristiti za MITM (eng. Man-In-The-Middle) napad.
Paket:
Operacijski sustavi:
Gentoo Linux
Kritičnost:
6.4
Problem:
nepravilno rukovanje ovlastima
Iskorištavanje:
udaljeno
Posljedica:
izmjena podataka, otkrivanje osjetljivih informacija, umetanje HTML i skriptnog koda
Rješenje:
programska zakrpa proizvođača
CVE:
CVE-2009-3942
Izvorni ID preporuke:
GLSA 201206-34
Izvor:
Gentoo
Problem:
Problem sigurnosti je posljedica pogrešnog rukovanja znakom "\0" u određenim poljima X.509 certifikata.
Posljedica:
Udaljeni napadač spomenutu ranjivost može iskoristiti za pokretanje HTML i skriptnog koda, te otkrivanje i izmjenu podataka.
Rješenje:
Rješenje problema sigurnosti je nadogradnja paketa na novije inačice.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 201206-34
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: msmtp: X.509 NULL spoofing vulnerability
Date: June 25, 2012
Bugs: #293647
ID: 201206-34
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
========
An error in the hostname matching in msmtp might enable remote
attackers to conduct man-in-the-middle attacks.
Background
==========
msmtp is an SMTP client and SMTP plugin for mail user agents such as
Mutt.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 mail-mta/msmtp < 1.4.19 >= 1.4.19
Description
===========
A vulnerability have been discovered in msmtp. Please review the CVE
identifier referenced below for details.
Impact
======
A remote attacker might employ a specially crafted certificate to
conduct man-in-the-middle attacks on SSL connections made using msmtp.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All msmtp users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-mta/msmtp-1.4.19"
References
==========
[ 1 ] CVE-2009-3942
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-3942
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201206-34.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
Posljednje sigurnosne preporuke