Vulnerability CVE-2006-5873
Published: 2006-12-11   Modified: 2012-02-12

Description:
Buffer overflow in the cluster_process_heartbeat function in cluster.c in layer 2 tunneling protocol network server (l2tpns) before 2.1.21 allows remote attackers to cause a denial of service via a large heartbeat packet.

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
L2tpns -> L2tpns 
Debian -> Debian linux 

 References:
http://xforce.iss.net/xforce/xfdb/30732
http://www.debian.org/security/2006/dsa-1230
http://secunia.com/advisories/23333
http://secunia.com/advisories/23230
http://l2tpns.cvs.sourceforge.net/l2tpns/l2tpns/cluster.c?r1=1.53&r2=1.54
http://www.vupen.com/english/advisories/2006/4860
http://www.securityfocus.com/bid/21443
http://sourceforge.net/project/shownotes.php?group_id=97282&release_id=468202
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