Uočena su i otklonjenja dva sigurnosna propusta paketa fastjar koja su omogućavala zlonamjernom korisniku stvaranje i promjenu proizvoljnih datoteka.
| Paket: |
fastjar 0.x |
| Operacijski sustavi: |
Gentoo Linux |
| Problem: |
pogreška u programskoj funkciji |
| Iskorištavanje: |
udaljeno |
| Posljedica: |
izmjena podataka |
| Rješenje: |
programska zakrpa proizvođača |
| CVE: |
CVE-2010-0831, CVE-2010-2322 |
| Izvorni ID preporuke: |
GLSA 201209-21 |
| Izvor: |
Gentoo |
| |
| Problem: |
Problem se nalazi u funkciji extract_jar koja neovlašteno omogućava promjenu direktorija za pisanje ili promjenu apsolutne putanje datoteke.
|
| Posljedica: |
Navedene ranjivosti omogućavaju udaljenom zlonamjernom korisniku proizvoljno stvaranje datoteka ili pisanje po već postojećim datotekama.
|
| Rješenje: |
Preporuča se primjena izdane nadogradnje.
|
Izvorni tekst preporuke
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Gentoo Linux Security Advisory GLSA 201209-21
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http://security.gentoo.org/
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Severity: Normal
Title: fastjar: Directory traversal
Date: September 28, 2012
Bugs: #325557
ID: 201209-21
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Synopsis
========
Two directory traversal vulnerabilities have been found in fastjar,
allowing remote attackers to create or overwrite arbitrary files.
Background
==========
fastjar is a Java archiver written in C.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-arch/fastjar < 0.98-r1 >= 0.98-r1
Description
===========
Two directory traversal vulnerabilities have been discovered in
fastjar. Please review the CVE identifiers referenced below for
details.
Impact
======
A remote attacker could entice a user to open a specially crafted JAR
file, possibly resulting in the creation or truncation of arbitrary
files.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All fastjar users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-arch/fastjar-0.98-r1"
References
==========
[ 1 ] CVE-2010-0831
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0831
[ 2 ] CVE-2010-2322
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-2322
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201209-21.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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