CVE-2006-5873

Published: Dec 12, 2006Modified: Apr 23, 2026

7.8

Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability: 10.0 / Impact: 6.9

Source: NVD

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.

Affected (4)

Products: L2tpns: L2tpns · Debian: Debian Linux

1 product

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
L2tpns L2tpns	Version 1.1
L2tpns L2tpns	Version 2.0.13
L2tpns L2tpns	Version 2.1

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 3.1

References (16)

http://l2tpns.cvs.sourceforge.net/l2tpns/l2tpns/cluster.c?r1=1.53&r2=1.54

Source: cve@mitre.org

Patch

http://secunia.com/advisories/23230

Source: cve@mitre.org

PatchVendor Advisory

http://secunia.com/advisories/23333

Source: cve@mitre.org

PatchVendor Advisory

http://sourceforge.net/project/shownotes.php?group_id=97282&release_id=468202

Source: cve@mitre.org

Vendor Advisory

http://www.debian.org/security/2006/dsa-1230

Source: cve@mitre.org

PatchVendor Advisory

http://www.securityfocus.com/bid/21443

Source: cve@mitre.org

Vendor Advisory

http://www.vupen.com/english/advisories/2006/4860

Source: cve@mitre.org

https://exchange.xforce.ibmcloud.com/vulnerabilities/30732

Source: cve@mitre.org

http://l2tpns.cvs.sourceforge.net/l2tpns/l2tpns/cluster.c?r1=1.53&r2=1.54