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Last updated: 9/20/2014 2:03:33 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-1693

Original release date: 05/17/2007
Last revised: 09/05/2008
Source: US-CERT/NIST

Overview

The SIP channel module in Yet Another Telephony Engine (Yate) before 1.2.0 sets the caller_info_uri parameter using a incorrect variable that can be NULL, which allows remote attackers to cause a denial of service (NULL dereference and application crash) via a Call-Info header without a purpose parameter.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.8 (HIGH) (AV:N/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore: 6.9
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

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: http://voip.null.ro/cgi-bin/cvsweb.cgi/yate/modules/ysipchan.cpp
External Source: BID
Name: 23746
External Source: BUGTRAQ
Name: 20070501 Radware Security Advisory - Yate 1.1.0 Denial of Service Vulnerability
External Source: SREASON
Name: 2716

Technical Details

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