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Last updated: 3/2/2015 8:00:43 PM

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Vulnerability Summary for CVE-2014-2288

Original release date: 04/18/2014
Last revised: 04/21/2014


The PJSIP channel driver in Asterisk Open Source 12.x before 12.1.1, when qualify_frequency "is enabled on an AOR and the remote SIP server challenges for authentication of the resulting OPTIONS request," allows remote attackers to cause a denial of service (crash) via a PJSIP endpoint that does not have an associated outgoing request.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 (MEDIUM) (AV:N/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: http://downloads.asterisk.org/pub/security/AST-2014-003.html
Type: Advisory
External Source: FEDORA
Name: FEDORA-2014-3779
External Source: MISC
Name: http://downloads.asterisk.org/pub/security/AST-2014-003-12.diff
Type: Patch Information
External Source: CONFIRM
Name: https://issues.asterisk.org/jira/browse/ASTERISK-23210
External Source: FEDORA
Name: FEDORA-2014-3762

Technical Details

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