Ispravljena je sigurnosna ranjivost paketa mod_rpaf koju je udaljeni napadač mogao iskoristiti kako bi izveo DoS napad.
Paket: |
mod_rpaf 0.x |
Operacijski sustavi: |
Gentoo Linux |
Problem: |
pogreška u programskoj komponenti |
Iskorištavanje: |
udaljeno |
Posljedica: |
uskraćivanje usluga (DoS) |
Rješenje: |
programska zakrpa proizvođača |
CVE: |
CVE-2012-3526 |
Izvorni ID preporuke: |
GLSA 201209-20 |
Izvor: |
Gentoo |
|
Problem: |
Problem se javlja uslijed neispravnog rukovanja X-Forwarded-For zaglavljima.
|
Posljedica: |
Udaljeni napadač mogao je iskoristiti propust kako bi namjerno doveo sustav u neispravno stanje i tako doveo do uskraćivanja usluge.
|
Rješenje: |
Svim korisnicima se preporučuje nadogradnja sustava.
|
Izvorni tekst preporuke
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 201209-20
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: mod_rpaf: Denial of Service
Date: September 27, 2012
Bugs: #432406
ID: 201209-20
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
========
A vulnerability in mod_rpaf may result in Denial of Service.
Background
==========
mod_rpaf is a reverse proxy add forward module for backend Apache
servers.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-apache/mod_rpaf < 0.6 >= 0.6
Description
===========
An error has been found in the way mod_rpaf handles X-Forwarded-For
headers. Please review the CVE identifier referenced below for details.
Impact
======
A remote attacker could send a specially crafted HTTP header, possibly
resulting in a Denial of Service condition.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All mod_rpaf users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apache/mod_rpaf-0.6"
References
==========
[ 1 ] CVE-2012-3526
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3526
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201209-20.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