Spyware, Viruses, & Security forum

General discussion


by Marianna Schmudlach / June 1, 2008 1:59 AM PDT

Multiple OpenSSL TLS Vulnerabilities

OpenSSL has two TLS related programming errors which cause it to crash. The first error causes OpenSSL to crash to segmentation fault when it receives TLS 1.0 Client Hello packet which contains server name extension having server_name set to 0x00. The openssl program does not have TLS extension handling enabled by default, it has to be explicitly enabled at compile time. The second error causes the SSL client implementation to crash to segmentation fault caused by NULL pointer dereference when 'Server Key exchange message' is omitted from the TLS handshake. The fault is present when Anonymous Diffie-Hellman key exchange is used.

The information has been provided by CERT-FI.
The original article can be found at: http://cert.fi/haavoittuvuudet/2008/advisory-openssl.html


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Lenovo SystemUpdate SSL Certificate Issuer Spoofing Vulnerab
by Marianna Schmudlach / June 1, 2008 2:00 AM PDT

System Update(tm) "helps you reduce the time, effort, and expense required to support and maintain the latest drivers, BIOS, and other applications for Think or Lenovo systems". It enables you to get the latest updates from the Lenovo support site, or to automatically schedule your system to be updated. A vulnerability in the way Lenovo's SystemUpdate works allows attackers to spoof the update process which will then be installed seamlessly into the Lenovo's operating system.

The information has been provided by Security Objectives, Inc..
The original article can be found at: http://www.security-objectives.com/advisories/SECOBJADV-2008-01/


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by Marianna Schmudlach / June 1, 2008 2:01 AM PDT
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by Marianna Schmudlach / June 1, 2008 2:03 AM PDT
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by Marianna Schmudlach / June 1, 2008 2:04 AM PDT
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by Marianna Schmudlach / June 1, 2008 2:17 AM PDT

Lynis is an auditing tool for Unix (specialists). It scans the system and available software, to detect security issues. Beside security related information it will also scan for general system information, installed packages and configuration mistakes.

This software aims in assisting automated auditing, software patch management, vulnerability and malware scanning of Unix based systems.

The information has been provided by Michael Boelen.
To keep updated with the tool visit the project's homepage at: http://www.rootkit.nl/projects/lynis.html


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