FreeRadius contains a flaw that may allow a remote denial of service. The issue is triggered when the server recieves a packet with a malformed USR VSA which may cause it to call memcpy with a length value of -1. memcpy interprets this as 0xffffffff which causes it to enter an infinite loop, and will result in loss of availability for the service.
Classification
Location:
Remote / Network Access
Attack Type:
Denial of Service
Impact:
Loss of Availability
Exploit:
Exploit Public
Disclosure:
OSVDB Verified
Solution
Upgrade to version 1.0.1 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
This product uses the Daylife API but is not endorsed or certified by Daylife.
This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.