Nortel IP Softphone 2050 denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Nortel IP Softphone 2050. Impacted is an unknown function. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2007-5639. No exploit exists.

Detailsinfo

A vulnerability was found in Nortel IP Softphone 2050 (the affected version is unknown) and classified as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

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.

The weakness was disclosed 10/23/2007 (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2007-5639 since 10/23/2007. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability is also documented in the databases at X-Force (37253) and SecurityFocus (BID 26122†). The entry VDB-39404 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/18/2007 🔍
10/23/2007 +5 days 🔍
10/23/2007 +0 days 🔍
10/23/2007 +0 days 🔍
03/16/2015 +2701 days 🔍
11/02/2017 +962 days 🔍

Sourcesinfo

Vendor: nortel-canada.com

Advisory: securityfocus.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-5639 (🔍)
GCVE (CVE): GCVE-0-2007-5639
GCVE (VulDB): GCVE-100-39407
X-Force: 37253 - Nortel IP Phone UNIStim packet spoofing denial of service
SecurityFocus: 26122 - Nortel IP Phones UNIStim Messages Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 03/16/2015 12:18
Updated: 11/02/2017 10:52
Changes: 03/16/2015 12:18 (47), 11/02/2017 10:52 (6)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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