PT-2007-6611 · Nortel · Meridian-Core-Option 51C+4

Published 2007-10-19 · Updated 2018-10-15 · CVE-2007-5591

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Nortel Enterprise VoIP-Core-CS 1000M Chassis/Cabinet version (affected versions not specified) Nortel Enterprise VoIP-Core-CS 1000E version (affected versions not specified) Nortel Enterprise VoIP-Core-CS 1000S version (affected versions not specified) Meridian-Core-Option 11C Chassis and Cabinet version (affected versions not specified) Meridian-Core-Option 51C version (affected versions not specified) Meridian-Core-Option 61C version (affected versions not specified) Meridian-Core-Option 81C version (affected versions not specified)

Description The issue allows remote attackers to cause a denial of service, resulting in a telephony application outage. This is achieved by flooding packets to Embedded LAN (ELAN) ports.

Recommendations For Nortel Enterprise VoIP-Core-CS 1000M Chassis/Cabinet, consider restricting access to ELAN ports to minimize the risk of exploitation. For Nortel Enterprise VoIP-Core-CS 1000E, restrict access to ELAN ports until a fix is available. For Nortel Enterprise VoIP-Core-CS 1000S, limit the traffic to ELAN ports as a temporary workaround. For Meridian-Core-Option 11C Chassis and Cabinet, restrict access to ELAN ports to prevent denial of service attacks. For Meridian-Core-Option 51C, 61C, and 81C, consider implementing traffic filtering on ELAN ports to mitigate the risk. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2007-5591

Affected Products

Meridian-Core-Option 11C

Meridian-Core-Option 51C

Meridian-Core-Option 61C

Meridian-Core-Option 81C

Nortel Enterprise Voip-Core-Cs 1000E

References · 10

• http://secunia.com/advisories/27282 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2007-5591 · Security Note
• http://vupen.com/english/advisories/2007/3536 · Vendor Advisory
• http://csnc.ch/static/advisory/csnc/nortel_telephony_server_denial_of_service_v1.0.txt · Note
• http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=655204 · Note
• http://securityfocus.com/bid/26113 · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/37252 · Note
• http://securityfocus.com/archive/1/482484/100/0/threaded · Note
• http://www116.nortel.com/pub/repository/CLARIFY/DOCUMENT/2007/42/022871-01.pdf · Note
• http://osvdb.org/41799 · Note