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CVSS: 7.5EPSS: 1%CPEs: 2EXPL: 0

14 May 2008 — Buffer overflow in the Multimedia PC Client in Nortel Multimedia Communication Server (MCS) before Maintenance Release 3.5.8.3 and 4.0.25.3 allows remote attackers to cause a denial of service (crash) via a flood of "extraneous" messages, as demonstrated by the Nessus "Generic flood" denial of service plugin. Desbordamiento de búfer en Multimedia PC Client de Nortel Multimedia Communication Server (MCS) versiones anteriores a Maintenance Release 3.5.8.3 y 4.0.25.3 permite a atacantes remotos provocar una de... • http://secunia.com/advisories/30038 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 9.8EPSS: 25%CPEs: 1EXPL: 3

23 Oct 2007 — 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." Desbordamiento de búfer en Nortel UNIStim IP Softphone 2050 permite a atacantes remotos provocar denegación de servicio (abortar aplicación) y posiblemente ejecutar código de su elección a través de una inundación de c... • https://www.exploit-db.com/exploits/30678 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.5EPSS: 10%CPEs: 36EXPL: 2

23 Oct 2007 — 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. The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, y otros productos Nortel desde el IP Phone, Business Communication... • https://www.exploit-db.com/exploits/30679 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 4.3EPSS: 0%CPEs: 36EXPL: 2

23 Oct 2007 — 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. El Nortel UNIStim IP Softphone 2050, IP Phone 1140E, y productos adicionales ... • http://osvdb.org/41770 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-310: Cryptographic Issues •

CVSS: 7.5EPSS: 1%CPEs: 15EXPL: 1

23 Oct 2007 — 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. El Nortel UNIStim IP Softphone 2050, IP Phone 1140E, y otros Nortel IP Phone, Mobile Voice Client, y productos WLAN Handsets permite a atacantes remotos provocar denegación de servicio (cuelgue del dispositivo) a ... • http://securityreason.com/securityalert/3273 •

CVSS: 7.5EPSS: 1%CPEs: 36EXPL: 1

23 Oct 2007 — 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. El Nortel UNIStim IP Softphone 2050, IP Phone 1140E,y prod... • http://osvdb.org/41772 •

CVSS: 7.8EPSS: 2%CPEs: 10EXPL: 0

19 Oct 2007 — 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. El servidor de señalización CS1000 en Nortel Enterprise VoIP-Core-CS 1000M Chasis/Cabinet, Enterprise VoIP-Core-CS 1000E y 1000S, Meridian-Core-Option 11C Chass... • http://osvdb.org/41799 •

CVSS: 9.8EPSS: 3%CPEs: 1EXPL: 0

27 Jun 2007 — 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. Desbordamiento de búfer en el módulo de análisis sintáctico de cabeceras SIP de Nortel PC Client SIP Soft Phone 4.1 3.5.208[20051015] permite a atacantes remotos ejecutar código de su elección mediante un mensaje mal formado, una vulnerabilidad diferente de CVE-2007-3361. • http://osvdb.org/45429 •

CVSS: 7.8EPSS: 1%CPEs: 1EXPL: 0

22 Jun 2007 — 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. El software de teléfono SIP Nortel PC Client 4.1 3.5.208[20051015] permite a atacantes remotos provocar una denegación de servicio (cuelgue de dispositivo) mediante un mensajes SIP con cabecera malformada. • http://osvdb.org/37498 •

CVSS: 7.5EPSS: 1%CPEs: 6EXPL: 0

30 May 2007 — 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. Vulnerabilidad no especificada en la tarjeta Nortel CS 1000 M en Enterprise VoIP-Core-CS 1000E, 1000M, y 1000S 04.50W anterior al 23/05/2007 en Meridian/CS 1000 permite a atacantes remotos provocar una denegación de servicio (cuelgue de la tarjeta) a través de vector... • http://osvdb.org/36525 •