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Nortel : Security Vulnerabilities Published In 2007

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2007-5640 2007-10-23 2008-11-15
7.1
None Remote Medium Not required None None Complete
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.
2 CVE-2007-5639 DoS 2007-10-23 2008-09-05
7.1
None Remote Medium Not required None None Complete
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.
3 CVE-2007-5638 310 2007-10-23 2009-02-12
4.3
None Remote Medium Not required Partial None None
The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and additional Nortel products from the IP Phone, Business Communications Manager (BCM), and other product lines, use only 65536 different values in the 32-bit ID number field of an RUDP datagram, which makes it easier for remote attackers to guess the RUDP ID and spoof messages. NOTE: this can be leveraged for an eavesdropping attack by sending many Open Audio Stream messages.
4 CVE-2007-5637 200 +Info 2007-10-23 2008-11-15
4.3
None Remote Medium Not required Partial None None
The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and additional Nortel products from the IP Phone, Business Communications Manager (BCM), and other product lines allow remote attackers to eavesdrop on the physical environment via an Open Audio Stream message that enables "surveillance mode." NOTE: issues relating to a small ID number space can be leveraged to make this attack easier.
5 CVE-2007-5636 119 DoS Exec Code Overflow 2007-10-23 2008-11-15
7.5
None Remote Low Not required Partial Partial Partial
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."
6 CVE-2007-5591 DoS 2007-10-19 2011-04-05
7.8
None Remote Low Not required None None Complete
The CS1000 signaling server in Nortel Enterprise VoIP-Core-CS 1000M Chassis/Cabinet, Enterprise VoIP-Core-CS 1000E and 1000S, Meridian-Core-Option 11C Chassis and Cabinet, and Meridian-Core-Option 51C, 61C, and 81C allows remote attackers to cause a denial of service (telephony application outage) via a flood of packets to Embedded LAN (ELAN) ports.
7 CVE-2007-3438 Exec Code Overflow 2007-06-26 2008-11-15
7.8
None Remote Low Not required None None Complete
Buffer overflow in the SIP header parsing module in the Nortel PC Client SIP Soft Phone 4.1 3.5.208[20051015] allows remote attackers to execute arbitrary code via a malformed message, a different vulnerability than CVE-2007-3361.
8 CVE-2007-3361 DoS 2007-06-22 2008-11-15
7.8
None Remote Low Not required None None Complete
The Nortel PC Client SIP Soft Phone 4.1 3.5.208[20051015] allows remote attackers to cause a denial of service (device crash) via a SIP message with a malformed header.
9 CVE-2007-2886 DoS 2007-05-29 2008-11-15
5.0
None Remote Low Not required None None Partial
Unspecified vulnerability in the Nortel CS 1000 M media card in Enterprise VoIP-Core-CS 1000E, 1000M, and 1000S 04.50W before 20070523 in Meridian/CS 1000 allows remote attackers to cause a denial of service (card hang) via unspecified vectors.
10 CVE-2007-2334 2007-04-27 2008-11-13
7.5
User Remote Low Not required Partial Partial Partial
Nortel VPN Router (aka Contivity) 1000, 2000, 4000, and 5000 before 5_05.149, 5_05.3xx before 5_05.304, and 6.x before 6_05.140 has two template HTML files lacking certain verification tags, which allows remote attackers to access the administration interface and change the device configuration via certain requests.
11 CVE-2007-2333 2007-04-27 2008-11-13
10.0
Admin Remote Low Not required Complete Complete Complete
Nortel VPN Router (aka Contivity) 1000, 2000, 4000, and 5000 before 5_05.149, 5_05.3xx before 5_05.304, and 6.x before 6_05.140 includes the FIPSecryptedtest1219 and FIPSunecryptedtest1219 default accounts in the LDAP template, which might allow remote attackers to access the private network.
12 CVE-2007-2332 2007-04-27 2008-09-05
9.0
Admin Remote Low Single system Complete Complete Complete
Nortel VPN Router (aka Contivity) 1000, 2000, 4000, and 5000 before 6_05.140 uses a fixed DES key to encrypt passwords, which allows remote authenticated users to obtain a password via a brute force attack on a hash from the LDAP store.
13 CVE-2007-1820 2007-04-02 2008-11-13
9.3
Admin Remote Medium Not required Complete Complete Complete
Nortel Networks CallPilot and Meridian Mail voicemail systems, when a mailbox has auto logon enabled, allow remote attackers to retrieve or remove messages, or reconfigure the mailbox, by spoofing Calling Number Identification (CNID, aka Caller ID).
14 CVE-2007-1057 1 Exec Code 2007-02-21 2008-11-15
6.9
Admin Local Medium Not required Complete Complete Complete
The Net Direct client for Linux before 6.0.5 in Nortel Application Switch 2424, VPN 3050 and 3070, and SSL VPN Module 1000 extracts and executes files with insecure permissions, which allows local users to exploit a race condition to replace a world-writable file in /tmp/NetClient and cause another user to execute arbitrary code when attempting to execute this client, as demonstrated by replacing /tmp/NetClient/client.
Total number of vulnerabilities : 14   Page : 1 (This Page)
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