Secunia Logo  


Secunia PSI WorldMap
 
ACal "ACalAuthenticate" Authentication Bypass Vulnerability
Secunia Advisory: SA18432
Release Date: 2006-01-12
Last Update: 2006-08-07
Popularity: 7,137 views

Critical:
Highly critical
Impact: Security Bypass
System access
Where: From remote
Solution Status: Vendor Patch

Software:ACal 2.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:
Aliaksandr Hartsuyeu has discovered a vulnerability in ACal, which can be exploited by malicious people to bypass certain security restrictions and compromise a vulnerable system.

The vulnerability is caused due to an insecure authentication process. This can be exploited to access the administration section by setting the "ACalAuthenticate" cookie parameter to "inside".

This can further be exploited to inject and execute arbitrary PHP code by manipulating the header and footer files.

The vulnerability has been confirmed in version 2.2.5. 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

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. Microsoft DirectShow MPEG2TuneRequest ActiveX Control Buffer Overflow // 516 views
2. Internet Explorer Charset Inheritance Cross-Site Scripting Vulnerability // 76 views
3. Adobe Flash Player Multiple Vulnerabilities // 42 views
4. Sun Java System Web Server Java Server Pages Content Disclosure // 30 views
5. Ruby on Rails HTTP Authentication Security Bypass // 29 views
6. Photo DVD Maker Project File Processing Buffer Overflow // 29 views
7. Facebook Photo Uploader ActiveX Control Property Handling Buffer Overflow // 27 views
8. Apple iPhone / iPod touch Multiple Vulnerabilities // 26 views
9. Dillo PNG Processing Integer Overflow Vulnerability // 25 views
10. ClanSphere Multiple SQL Injection Vulnerabilities // 23 views