CVE-2007-5639
First published: Tue Oct 23 2007(Updated: )
The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and other Nortel IP Phone, Mobile Voice Client, and WLAN Handsets products allow remote attackers to cause a denial of service (device hang) via a flood of Mute and UnMute messages that have a spoofed source IP address for the Signaling Server.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nortel IP Audio Conference Phone 2033 | ||
| Nortel IP Phone 1110 | ||
| Nortel IP Phone 1120E | ||
| Nortel IP Phone 1140E | ||
| Nortel IP Phone 1150E | ||
| Nortel IP Phone 2001 | ||
| Nortel IP Phone 2002 | ||
| Nortel IP Phone 2004 | ||
| Nortel WLAN Handset 2210 | ||
| Nortel WLAN Handset 2211 | ||
| Nortel WLAN Handset 2212 | ||
| Nortel WLAN Handset | ||
| Nortel WLAN Handset 6140 | ||
| Nortel IP Softphone 2050 | ||
| Nortel Mobile Voice Client 2050 |
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Reference Links
- http://www.csnc.ch/static/advisory/csnc/nortel_IP_phone_flooding_denial_of_service_v1.0.txt
- http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=654715
- http://www.securityfocus.com/bid/26122
- http://securityreason.com/securityalert/3273
- https://exchange.xforce.ibmcloud.com/vulnerabilities/37253
- http://www.securityfocus.com/archive/1/482480/100/0/threaded
Frequently Asked Questions
What is the severity of CVE-2007-5639?
CVE-2007-5639 is classified as a denial of service vulnerability.
How does CVE-2007-5639 affect Nortel devices?
CVE-2007-5639 allows attackers to cause a denial of service by flooding Nortel devices with spoofed mute and unmute messages.
What Nortel products are affected by CVE-2007-5639?
CVE-2007-5639 affects the Nortel IP Softphone 2050, the Mobile Voice Client 2050, and certain WLAN Handsets.
How can I mitigate CVE-2007-5639?
To mitigate CVE-2007-5639, implement firewall rules that filter out the flood of mute and unmute messages from untrusted sources.
Is there a patch available for CVE-2007-5639?
There is no specific patch mentioned for CVE-2007-5639, but it is advisable to check with Nortel for any firmware updates or recommendations.
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- agent/references
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- collector/mitre-cve
- source/MITRE
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- agent/weakness
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- agent/event
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- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/nortel
- canonical/nortel ip audio conference phone 2033
- canonical/nortel ip phone 1110
- canonical/nortel ip phone 1120e
- canonical/nortel ip phone 1140e
- canonical/nortel ip phone 1150e
- canonical/nortel ip phone 2001
- canonical/nortel ip phone 2002
- canonical/nortel ip phone 2004
- canonical/nortel wlan handset 2210
- canonical/nortel wlan handset 2211
- canonical/nortel wlan handset 2212
- canonical/nortel wlan handset
- canonical/nortel wlan handset 6140
- canonical/nortel ip softphone 2050
- canonical/nortel mobile voice client 2050