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Last updated: 5/31/2016 10:56:25 PM

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Vulnerability Summary for CVE-2008-0095

Original release date: 01/07/2008
Last revised: 03/07/2011


The SIP channel driver in Asterisk Open Source 1.4.x before 1.4.17, Business Edition before C.1.0-beta8, AsteriskNOW before beta7, Appliance Developer Kit before Asterisk 1.4 revision 95946, and Appliance s800i 1.0.x before allows remote attackers to cause a denial of service (daemon crash) via a BYE message with an Also (Also transfer) header, which triggers a NULL pointer dereference.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 MEDIUM
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: MISC
Name: http://bugs.digium.com/view.php?id=11637
Type: Patch Information
External Source: FEDORA
Name: FEDORA-2008-0199
External Source: SREASON
Name: 3520
External Source: BUGTRAQ
Name: 20080102 AST-2008-001: Crash from transfer using BYE with Also header
External Source: XF
Name: asterisk-bye-also-dos(39361)
External Source: FEDORA
Name: FEDORA-2008-0198
External Source: VUPEN
Name: ADV-2008-0019
External Source: SECTRACK
Name: 1019152
External Source: CONFIRM
Name: http://downloads.digium.com/pub/security/AST-2008-001.html
Type: Patch Information
External Source: BID
Name: 27110
Type: Patch Information; Exploit

Vulnerable software and versions

+ Configuration 1
+ OR
cpe:/a:asterisk:asterisk_appliance_developer_kit:1.4_revision_95945 and previous versions
cpe:/a:asterisk:asterisk_business_edition:c.1.0beta7 and previous versions
cpe:/a:asterisk:asterisknow:beta_6 and previous versions
cpe:/a:asterisk:open_source:1.4.16 and previous versions
cpe:/a:asterisk:s800i: and previous versions

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)