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FreeRADIUS Tunnel-Password Denial Of Service Vulnerability
Information
Severity
Severity
Medium
Family
Family
Denial of Service
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
14 years ago
Modified
Modified
5 years ago
Summary
This host is running FreeRADIUS and is prone to a Denial of Service vulnerability.
Insight
Insight
The flaws are due to: - An error in the 'rad_decode()' function in 'src/lib/radius.c' which can be exploited via zero-length Tunnel-Password attributes. - An unspecified error that can be exploited to crash the 'radiusd' daemon.
Affected Software
Affected Software
FreeRADIUS version prior to 1.1.8.
Solution
Solution
Upgrade to version 1.1.8.
Common Vulnerabilities and Exposures (CVE)
References
- http://secunia.com/advisories/36509
- http://www.intevydis.com/blog/?p=66
- http://www.openwall.com/lists/oss-security/2009/09/09/1
- http://www.braindeadprojects.com/blog/what/freeradius-packet-of-death/
- https://lists.freeradius.org/pipermail/freeradius-users/2009-September
- http://github.com/alandekok/freeradius-server/commit/860cad9e02ba344ed