Vulnerability CVE-2006-0433
Published: 2006-02-02   Modified: 2012-02-12

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).

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Infinite loop in SACK handling
FreeBSD Security...
02.02.2006

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Freebsd -> Freebsd 

 References:
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:08.sack.asc
http://securityreason.com/securityalert/399
http://securitytracker.com/id?1015566
http://www.securityfocus.com/bid/16466
http://www.vupen.com/english/advisories/2006/0409
https://exchange.xforce.ibmcloud.com/vulnerabilities/24453
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