Executive Summary

Summary
Title LTSP vulnerability
Informations
Name USN-610-1 First vendor Publication 2008-05-06
Vendor Ubuntu Last vendor Modification 2008-05-06
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:A/AC:L/Au:N/C:P/I:P/A:N)
Cvss Base Score 4.8 Attack Range Adjacent network
Cvss Impact Score 4.9 Attack Complexity Low
Cvss Expoit Score 6.5 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects the following Ubuntu releases:

Ubuntu 6.06 LTS Ubuntu 7.04 Ubuntu 7.10

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 6.06 LTS:
ldm 0.87.1

Ubuntu 7.04:
ldm 5.0.7.1

Ubuntu 7.10:
ldm 5.0.39.1

After a standard system upgrade you need to update your LTSP client chroots to effect the necessary changes. For more details, please see: http://doc.ubuntu.com/edubuntu/edubuntu/handbook/C/ltsp-updates.html#id531224

Details follow:

Christian Herzog discovered that it was possible to connect to any LTSP client's X session over the network. A remote attacker could eavesdrop on X events, read window contents, and record keystrokes, possibly gaining access to private information.

Original Source

Url : http://www.ubuntu.com/usn/USN-610-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-264 Permissions, Privileges, and Access Controls

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:17723
 
Oval ID: oval:org.mitre.oval:def:17723
Title: USN-610-1 -- ltsp vulnerability
Description: Christian Herzog discovered that it was possible to connect to any LTSP client's X session over the network.
Family: unix Class: patch
Reference(s): USN-610-1
CVE-2008-1293
Version: 9
Platform(s): Ubuntu 6.06
Ubuntu 7.04
Ubuntu 7.10
Product(s): ltsp
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:20319
 
Oval ID: oval:org.mitre.oval:def:20319
Title: DSA-1561-1 ltsp - information disclosure
Description: Christian Herzog discovered that within the Linux Terminal Server Project, it was possible to connect to X on any LTSP client from any host on the network, making client windows and keystrokes visible to that host.
Family: unix Class: patch
Reference(s): DSA-1561-1
CVE-2008-1293
Version: 7
Platform(s): Debian GNU/Linux 4.0
Product(s): ltsp
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:7398
 
Oval ID: oval:org.mitre.oval:def:7398
Title: DSA-1561 ldm -- programming error
Description: Christian Herzog discovered that within the Linux Terminal Server Project, it was possible to connect to X on any LTSP client from any host on the network, making client windows and keystrokes visible to that host. NOTE: most ldm installs are likely to be in a chroot environment exported over NFS, and will not be upgraded merely by upgrading the server itself. For example, on the i386 architecture, to upgrade ldm will likely require:
Family: unix Class: patch
Reference(s): DSA-1561
CVE-2008-1293
Version: 5
Platform(s): Debian GNU/Linux 4.0
Product(s): ldm
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 2

OpenVAS Exploits

Date Description
2009-03-23 Name : Ubuntu Update for ltsp vulnerability USN-610-1
File : nvt/gb_ubuntu_USN_610_1.nasl
2008-04-30 Name : Debian Security Advisory DSA 1561-1 (ldm)
File : nvt/deb_1561_1.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
44681 ldm X11 Forwarding LTSP Client Connection Restriction Bypass

Nessus® Vulnerability Scanner

Date Description
2008-05-09 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-610-1.nasl - Type : ACT_GATHER_INFO
2008-05-01 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-1561.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2014-02-17 12:05:05
  • Multiple Updates