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Vulnerability Details : CVE-2006-5873

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.
Publish Date : 2006-12-11 Last Update Date : 2008-09-05
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- CVSS Scores & Vulnerability Types

CVSS Score
7.8
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflow
CWE ID CWE id is not defined for this vulnerability

- Products Affected By CVE-2006-5873

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 3.1 Version Details Vulnerabilities
2 Application L2tpns L2tpns 1.1 Version Details Vulnerabilities
3 Application L2tpns L2tpns 2.0.13 Version Details Vulnerabilities
4 Application L2tpns L2tpns 2.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
L2tpns L2tpns 3

- References For CVE-2006-5873

http://www.frsirt.com/english/advisories/2006/4860
VUPEN ADV-2006-4860
http://www.securityfocus.com/bid/21443
BID 21443 L2TPNS Heartbeat Handling Denial of Service Vulnerability Release Date:2007-01-17
http://secunia.com/advisories/23230
SECUNIA 23230
http://l2tpns.cvs.sourceforge.net/l2tpns/l2tpns/cluster.c?r1=1.53&r2=1.54 CONFIRM
http://secunia.com/advisories/23333
SECUNIA 23333
http://xforce.iss.net/xforce/xfdb/30732
XF l2tpns-heartbeat-dos(30732)
http://www.debian.org/security/2006/dsa-1230
DEBIAN DSA-1230
http://sourceforge.net/project/shownotes.php?group_id=97282&release_id=468202 CONFIRM

- Metasploit Modules Related To CVE-2006-5873

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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