CVE-2006-0433

FreeBSD 5.3 and 5.4 - Denial of Service via Selective Acknowledgement Handling

Title source: llm
STIX 2.1

Description

Selective Acknowledgement (SACK) in FreeBSD 5.3 and 5.4 does not properly handle an incoming selective acknowledgement when there is insufficient memory, which might allow remote attackers to cause a denial of service (infinite loop).

References (8)

Core 8
Core References
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/0409
Various Sources vendor-advisory x_refsource_freebsd
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:08.sack.asc
Patch vdb-entry x_refsource_osvdb
http://www.osvdb.org/22861
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/16466
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1015566
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/399
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/24453
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/18696

Scores

EPSS 0.0156
EPSS Percentile 81.7%

Details

Status published
Products (2)
freebsd/freebsd 5.3
freebsd/freebsd 5.4
Published Feb 02, 2006
Tracked Since Feb 18, 2026