Executive Summary

Summary
Title util-linux update
Informations
Name USN-1045-2 First vendor Publication 2011-01-19
Vendor Ubuntu Last vendor Modification 2011-01-19
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:P/A:P)
Cvss Base Score 5.8 Attack Range Network
Cvss Impact Score 4.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects the following Ubuntu releases:

Ubuntu 8.04 LTS Ubuntu 9.10 Ubuntu 10.04 LTS Ubuntu 10.10

This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu.

The problem can be corrected by upgrading your system to the following package versions:

Ubuntu 8.04 LTS:
mount 2.13.1-5ubuntu3.1

Ubuntu 9.10:
mount 2.16-1ubuntu5.1

Ubuntu 10.04 LTS:
mount 2.17.2-0ubuntu1.10.04.1

Ubuntu 10.10:
mount 2.17.2-0ubuntu1.10.10.1

In general, a standard system update will make all the necessary changes.

Details follow:

USN-1045-1 fixed vulnerabilities in FUSE. This update to util-linux adds support for new options required by the FUSE update.

Original advisory details:

It was discovered that FUSE could be tricked into incorrectly updating the
mtab file when mounting filesystems. A local attacker, with access to use
FUSE, could unmount arbitrary locations, leading to a denial of service.

Original Source

Url : http://www.ubuntu.com/usn/USN-1045-2

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-59 Improper Link Resolution Before File Access ('Link Following')

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:13095
 
Oval ID: oval:org.mitre.oval:def:13095
Title: USN-1045-1 -- fuse vulnerability
Description: It was discovered that FUSE could be tricked into incorrectly updating the mtab file when mounting filesystems. A local attacker, with access to use FUSE, could unmount arbitrary locations, leading to a denial of service.
Family: unix Class: patch
Reference(s): USN-1045-1
CVE-2010-3879
Version: 5
Platform(s): Ubuntu 8.04
Ubuntu 10.10
Ubuntu 9.10
Ubuntu 10.04
Product(s): fuse
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:13481
 
Oval ID: oval:org.mitre.oval:def:13481
Title: USN-1045-2 -- util-linux update
Description: USN-1045-1 fixed vulnerabilities in FUSE. This update to util-linux adds support for new options required by the FUSE update. Original advisory details: It was discovered that FUSE could be tricked into incorrectly updating the mtab file when mounting filesystems. A local attacker, with access to use FUSE, could unmount arbitrary locations, leading to a denial of service.
Family: unix Class: patch
Reference(s): USN-1045-2
CVE-2010-3879
Version: 5
Platform(s): Ubuntu 8.04
Ubuntu 10.10
Ubuntu 9.10
Ubuntu 10.04
Product(s): util-linux
Definition Synopsis:

OpenVAS Exploits

Date Description
2012-06-06 Name : RedHat Update for fuse RHSA-2011:1083-01
File : nvt/gb_RHSA-2011_1083-01_fuse.nasl
2011-02-11 Name : Fedora Update for util-linux-ng FEDORA-2011-0854
File : nvt/gb_fedora_2011_0854_util-linux-ng_fc14.nasl
2011-01-21 Name : Ubuntu Update for fuse vulnerability USN-1045-1
File : nvt/gb_ubuntu_USN_1045_1.nasl
2011-01-21 Name : Ubuntu Update for util-linux update USN-1045-2
File : nvt/gb_ubuntu_USN_1045_2.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
70520 Fuse fusermount Arbitrary Unmount Local DoS

FUSE contains a flaw that may allow a local denial of service. The issue is triggered when an error within the 'fusermount' utility when performing unmount operations occurs, allowing a local attacker to cause a denial of service by unmounting arbitrary mounts via symlink attacks.

Nessus® Vulnerability Scanner

Date Description
2014-06-13 Name : The remote openSUSE host is missing a security update.
File : suse_11_3_fuse-110228.nasl - Type : ACT_GATHER_INFO
2013-07-12 Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2011-1083.nasl - Type : ACT_GATHER_INFO
2013-04-30 Name : The remote Mandriva Linux host is missing one or more security updates.
File : mandriva_MDVSA-2013-154.nasl - Type : ACT_GATHER_INFO
2012-08-01 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20110720_fuse_on_SL6_x.nasl - Type : ACT_GATHER_INFO
2011-12-13 Name : The remote SuSE 10 host is missing a security-related patch.
File : suse_util-linux-and-fuse-201103-7418.nasl - Type : ACT_GATHER_INFO
2011-07-21 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2011-1083.nasl - Type : ACT_GATHER_INFO
2011-05-05 Name : The remote openSUSE host is missing a security update.
File : suse_11_2_fuse-110228.nasl - Type : ACT_GATHER_INFO
2011-04-01 Name : The remote SuSE 10 host is missing a security-related patch.
File : suse_util-linux-and-fuse-201103-7362.nasl - Type : ACT_GATHER_INFO
2011-03-31 Name : The remote SuSE 11 host is missing one or more security updates.
File : suse_11_util-linux-and-fuse-201103-110302.nasl - Type : ACT_GATHER_INFO
2011-02-08 Name : The remote Fedora host is missing a security update.
File : fedora_2011-0854.nasl - Type : ACT_GATHER_INFO
2011-01-20 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-1045-1.nasl - Type : ACT_GATHER_INFO
2011-01-20 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-1045-2.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
Date Informations
2014-02-17 11:58:11
  • Multiple Updates
2013-05-11 00:54:05
  • Multiple Updates