Asterisk SIP Channel Driver Can Be Crashed By Remote Users With 'BYE with Also' Method
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SecurityTracker Alert ID: 1019152
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SecurityTracker URL: http://securitytracker.com/id?1019152
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CVE Reference: CVE-2008-0095
(Links to External Site)
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Updated: Jan 9 2008
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Original Entry Date: Jan 2 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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Version(s): 1.4 prior to 1.4.17
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Description: A vulnerability was reported in Asterisk. A remote user can cause denial of service conditions.
A remote user can send a specially crafted BYE message using the 'BYE with Also' transfer method to trigger a NULL pointer error
cause the target service to crash.
The vendor was notified on December 26, 2007.
Grey VoIP reported this vulnerability.
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Impact: A remote user can the target system to crash.
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Solution: The vendor has issued a fixed version (1.4.17).
The Asterisk advisory is available at:
http://downloads.digium.com/pub/security/AST-2008-001.html
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Vendor URL: downloads.digium.com/pub/security/AST-2008-001.html (Links to External Site)
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Cause: Access control error
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Underlying OS: Linux (Any), UNIX (Any)
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Reported By: Asterisk Security Team <security@asterisk.org>
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Message History:
None.
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Source Message Contents
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Date: Wed, 02 Jan 2008 17:57:48 -0400
From: Asterisk Security Team <security@asterisk.org>
Subject: AST-2008-001: Crash from transfer using BYE with Also header
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[Original Message Not Available for Viewing]
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