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TITLE:
OpenBSD TCP Timestamp Denial of Service

SECUNIA ADVISORY ID:
SA15417

VERIFY ADVISORY:
http://secunia.com/advisories/15417/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

OPERATING SYSTEM:
OpenBSD 3.x
http://secunia.com/product/100/

DESCRIPTION:
A vulnerability has been reported in OpenBSD, which can be exploited
by malicious people to cause a DoS (Denial of Service) on active TCP
sessions.

For more information:
SA15393

SOLUTION:
Update to OpenBSD 3.7 or apply patch.

Patch for OpenBSD 3.6:
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/015_tcp.patch

Patch for OpenBSD 3.5:
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.5/common/032_tcp2.patch

ORIGINAL ADVISORY:
OpenBSD:
http://openbsd.org/errata36.html#tcp

OpenBSD Information for VU#637934:
http://www.kb.cert.org/vuls/id/JGEI-6ABPP2

OTHER REFERENCES:
SA15393:
http://secunia.com/advisories/15393/

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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