7.1
HIGH
CVE-2007-5640
Nortel UNIStim IP Softphone Denial of Service (DoS) and Session Hijacking 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.

INFO

Published Date :

Oct. 23, 2007, 5:46 p.m.

Last Modified :

Oct. 15, 2018, 9:45 p.m.

Remotely Exploitable :

Yes !

Impact Score :

6.9

Exploitability Score :

8.6
Affected Products

The following products are affected by CVE-2007-5640 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Nortel meridian_option_11c
2 Nortel meridian_option_51c
3 Nortel meridian_option_61c
4 Nortel meridian_option_81c
5 Nortel business_communications_manager
6 Nortel centrex_ip_client_manager
7 Nortel centrex_ip_element_manager
8 Nortel meridian_sl100
9 Nortel mobile_voice_client_2050

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2007-5640 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2007-5640 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 15, 2018

    Action Type Old Value New Value
    Removed Reference http://www.securityfocus.com/archive/1/archive/1/482481/100/0/threaded [No Types Assigned]
    Added Reference http://www.securityfocus.com/archive/1/482481/100/0/threaded [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 29, 2017

    Action Type Old Value New Value
    Removed Reference http://xforce.iss.net/xforce/xfdb/37254 [No Types Assigned]
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/37254 [No Types Assigned]
  • Initial Analysis by [email protected]

    Oct. 24, 2007

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2007-5640 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2007-5640 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.99 }} 0.02%

score

0.89063

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability