Asterisk SIP Dialog History Processing Error Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1018595
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SecurityTracker URL: http://securitytracker.com/id?1018595
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CVE Reference: CVE-2007-4455
(Links to External Site)
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Date: Aug 22 2007
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Impact: Denial of service via network
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Fix Available: Yes
Exploit Included: Yes
Vendor Confirmed: Yes
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Version(s): 1.4 to prior to 1.4.11
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Description: A vulnerability was reported in Asterisk. A remote user can cause denial of service conditions.
The software records SIP dialog history regardless of whether SIP dialog history recording is enabled or not.
A remote user can
create a SIP dialog with a large number of entries to consume all available system memory.
The vendor was notified on August
9, 2007.
Jon Moldenauer reported this vulnerability.
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Impact: A remote user can consume all available system memory.
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Solution: The vendor has issued a fixed version (1.4.11).
The Asterisk advisory is available at:
http://www.asterisk.org/node/48377
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Vendor URL: downloads.digium.com/pub/asa/AST-2007-020.pdf (Links to External Site)
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Cause: State error
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Underlying OS: Linux (Any), UNIX (Any)
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Message History:
None.
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Source Message Contents
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Date: Tue, 21 Aug 2007 20:44:14 -0400
Subject: Asterisk
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http://www.asterisk.org/node/48377
CVE-2007-4455
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