The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and...
Vulnerability Description
The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and additional Nortel products from the IP Phone, Business Communications Manager (BCM), Mobile Voice Client, and other product lines, allow remote attackers to block calls and force re-registration via a resume message to the Signaling Server that has a spoofed source IP address for the phone. NOTE: the attack is more disruptive if a new spoofed resume message is sent after each re-registration.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=654641
- http://secunia.com/advisories/27234
- https://exchange.xforce.ibmcloud.com/vulnerabilities/37254
- http://osvdb.org/41772
- http://securityreason.com/securityalert/3274
- http://www.csnc.ch/static/advisory/csnc/nortel_IP_phone_forced_re-authentication_v1.0.txt
- http://www.securityfocus.com/archive/1/482481/100/0/threaded
- http://www.securityfocus.com/bid/26124
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.