FreeRADIUS: Multiple Denial of Service vulnerabilities

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Updated September 22, 2004

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200409-29 / FreeRADIUS
Release Date September 22, 2004
Latest Revision May 22, 2006: 02
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
net-dialup/freeradius < 1.0.1 >= 1.0.1 All supported architectures

Related bugreports: #60587

Synopsis

Multiple Denial of Service vulnerabilities were found and fixed in FreeRADIUS.

2.  Impact Information

Background

FreeRADIUS is an open source RADIUS authentication server implementation.

Description

There are undisclosed defects in the way FreeRADIUS handles incorrect received packets.

Impact

A remote attacker could send specially-crafted packets to the FreeRADIUS server to deny service to other users by crashing the server.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All FreeRADIUS users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge sync

# emerge -pv ">=net-dialup/freeradius-1.0.1"
# emerge ">=net-dialup/freeradius-1.0.1"

4.  References