CVE-2006-5873

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Summary

CVECVE-2006-5873
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2006-12-12 00:28:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionBuffer 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.

Risk And Classification

Primary CVSS: v2.0 7.8 from [email protected]

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

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 3.1 All All All
Application L2tpns L2tpns 1.1 All All All
Application L2tpns L2tpns 2.0.13 All All All
Application L2tpns L2tpns 2.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
Debian -- Security Information -- DSA-1230-1 l2tpns af854a3a-2127-422b-91ae-364da2661108 www.debian.org Patch, Vendor Advisory
SourceForge.net: l2tpns: Files af854a3a-2127-422b-91ae-364da2661108 sourceforge.net Vendor Advisory
Debian update for l2tpns - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Patch, Vendor Advisory
CVS Info for project l2tpns af854a3a-2127-422b-91ae-364da2661108 l2tpns.cvs.sourceforge.net Patch
l2tpns Heartbeat Packets Buffer Overflow Vulnerability - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Patch, Vendor Advisory
L2TPNS Heartbeat Handling Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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