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[ GLSA 200704-14 ] FreeRADIUS: Denial of Service
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GLSA
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Joined: 12 May 2004
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PostPosted: Wed Apr 18, 2007 12:26 am    Post subject: [ GLSA 200704-14 ] FreeRADIUS: Denial of Service Reply with quote

Gentoo Linux Security Advisory

Title: FreeRADIUS: Denial of Service (GLSA 200704-14)
Severity: normal
Exploitable: remote
Date: April 17, 2007
Bug(s): #174292
ID: 200704-14

Synopsis

A memory leak has been discovered in FreeRADIUS, possibly allowing for a Denial of Service.

Background

FreeRADIUS is an open source RADIUS authentication server implementation.

Affected Packages

Package: net-dialup/freeradius
Vulnerable: < 1.1.6
Unaffected: >= 1.1.6
Architectures: All supported architectures


Description

The Coverity Scan project has discovered a memory leak within the handling of certain malformed Diameter format values inside an EAP-TTLS tunnel.

Impact

A remote attacker could send a large amount of specially crafted packets to a FreeRADIUS server using EAP-TTLS authentication and exhaust all memory, possibly resulting in a Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All FreeRADIUS users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dialup/freeradius-1.1.6"


References

CVE-2007-2028


Last edited by GLSA on Wed Nov 21, 2007 4:18 am; edited 2 times in total
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