Secunia Logo  


Secunia PSI WorldMap
 
avast! Antivirus Device Driver Memory Overwrite Vulnerability
Secunia Advisory: SA15495
Release Date: 2005-05-26
Last Update: 2005-06-02
Popularity: 11,787 views

Critical:
Less critical
Impact: Privilege escalation
DoS
Where: Local system
Solution Status: Vendor Patch

Software:avast! Home/Professional 4.x

Secunia CVSS-2 Score: Available in Secunia business solutions

Subscribe: Instant alerts on relevant vulnerabilities


Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Piotr Bania has reported a vulnerability in avast! Antivirus, which can be exploited by malicious, local users to cause a DoS (Denial of Service) or gain escalated privileges.

The vulnerability is caused due to missing input validation in the device driver and can be exploited to overwrite arbitrary memory via signals with specially crafted input.

Successful exploitation allows execution of arbitrary code with escalated privileges.

The vulnerability has been reported in version 4.6. Other versions may also be affected.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



Track this Secunia Advisory
Customers of the Secunia Vulnerability Intelligence solutions will automatically receive updates when new information regarding this advisory is released.

Read more about our Vulnerability Intelligence solutions and what they can do for you and your company.

About this Secunia Advisory
Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
  
Latest Advisories

20th Nov, 2009
New advisories: 9
New vulnerabilities: 25
Updated advisories: 10

Highly // 374 views
SUSE update for java-1_6_0-sun
Moderately // 743 views
PHP Multiple Vulnerabilities

19th Nov, 2009
New advisories: 23
New vulnerabilities: 35
Updated advisories: 29


Solutions | More...  


Send Feedback to Secunia
If you have new information regarding this Secunia advisory or a product in our database, please send it to us using either our web form or email us at vuln@secunia.com.

Ideas, suggestions, and other feedback are most welcome.

Most Popular - 3 Hours

1. Kaspersky Anti-Virus 2010 klavemu.kdl Denial of Service Vulnerability // 40 views
2. Internet Explorer Charset Inheritance Cross-Site Scripting Vulnerability // 17 views
3. 4nAlbum Multiple Vulnerabilities // 15 views
4. Adobe Reader/Acrobat Multiple Vulnerabilities // 14 views
5. phpBB Knowledge Base Mod File Inclusion Vulnerability // 13 views
6. Sun Java JDK / JRE Multiple Vulnerabilities // 13 views
7. Adobe Flash Player Multiple Vulnerabilities // 13 views
8. Opera Floating Point Number Processing Memory Corruption // 12 views
9. php Download Manager "content" File Inclusion Vulnerability // 11 views
10. Google Chrome Cross-Origin Resource Sharing Security Bypass // 9 views