|
FreeRADIUS Multiple Denial of Service Vulnerabilities
|
|
Secunia Advisory:
|
SA12570
|
|
|
Release Date:
|
2004-09-20
|
|
Last Update:
|
2004-11-15
|
|
Popularity:
|
9,333 views
|
|
|
Critical:
|
Moderately critical
|
|
Impact:
|
DoS
|
|
Where:
|
From remote
|
|
Solution Status:
|
Vendor Patch
|
|
| Software: | FreeRADIUS 0.x
FreeRADIUS 1.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:
Three vulnerabilities have been reported in FreeRADIUS, which can be exploited by malicious people to cause a DoS (Denial of Service).
All three vulnerabilities are located within a function responsible for decoding RADIUS attributes into data structures.
1) An input validation error can be exploited to crash the service by sending a malicious packet containing specially crafted USR vendor-specific attributes.
2) A NULL pointer dereference error can be exploited to crash the service by sending a malicious "Access-Request" or "Accounting-Request" packet containing an "Ascend-Send-Secret" or "Ascend-Recv-Secret" attribute.
3) A memory leak can be exploited to consume all available memory via a series of "Access-Request" packets containing "Ascend-Send-Secret", "Ascend-Recv-Secret", or "Tunnel-Password" attributes.
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.
|
