National Cyber-Alert System
Vulnerability Summary for CVE-2007-5636
Original release date:10/23/2007
Last revised:11/15/2008
Source:
US-CERT/NIST
Overview
Buffer overflow in the Nortel UNIStim IP Softphone 2050 allows remote attackers to cause a denial of service (application abort) and possibly execute arbitrary code via a flood of invalid characters to the RTCP port (5678/udp) that triggers a Windows error message, aka "extraneous messaging."
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.
External Source: XF
Name: nortel-ipsoftphone-rtcp-bo(37256)
External Source: BID
Name: 26118
External Source: BUGTRAQ
Name: 20071018 Nortel UNIStim IP Softphone Buffer-Overflow
External Source: VUPEN
Name: ADV-2007-3540
Type: Advisory
External Source: MISC
Name: http://www.csnc.ch/static/advisory/csnc/nortel_UNIStim_IP_softphone_buffer-overflow_v1.0.txt
External Source: CONFIRM
Name: http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=655203
External Source: SECUNIA
Name: 27252
Type: Advisory
External Source: OSVDB
Name: 38521
External Source: SREASON
Name: 3271
