OpenBSD IPv6 Routing Header Bug Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1019496
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SecurityTracker URL: http://securitytracker.com/id?1019496
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CVE Reference: CVE-2008-1057
(Links to External Site)
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Updated: Mar 19 2008
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Original Entry Date: Feb 25 2008
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Impact: Denial of service via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Advisory: OpenBSD Errata
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Version(s): 4.2
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Description: A vulnerability was reported in OpenBSD. A remote user can cause a kernel panic.
A remote user can send a specially crafted IPv6 routing header to trigger a kernel panic on the target system.
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Impact: A remote user can cause the target system to crash.
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Solution: The vendor has issued a patch:
ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.2/common/008_ip6rthdr.patch
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Vendor URL: www.openbsd.org/ (Links to External Site)
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Cause: Input validation error
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Underlying OS: UNIX (OpenBSD)
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Message History:
None.
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Source Message Contents
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Date: Mon, 25 Feb 2008 08:36:56 -0500
Subject: OpenBSD kernel
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RELIABILITY FIX: February 25, 2008 All architectures
Malformed IPv6 routing headers can cause a kernel panic.
A source code patch exists which remedies this problem.
ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.2/common/008_ip6rthdr.patch
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