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vulnerability announce CVE-2012-3949

Cisco IOS, Unified CM: denial of service via SIP SDP

Synthesis of the vulnerability

An attacker can send a malicious SIP packet containing an SDP message, in order to create a denial of service on Cisco IOS and Cisco Unified Communications Manager.
Impacted products: IOS, Cisco CUCM, Cisco Router xx00 Series.
Severity: 3/4.
Creation date: 26/09/2012.
Identifiers: 26765, BID-55697, CERTA-2012-AVI-528, CERTA-2012-AVI-530, Cisco_ERP_sep12, cisco-sa-20120926-cucm, cisco-sa-20120926-sip, CSCtj33003, CSCtw66721, CSCtw84664, CVE-2012-3949, VIGILANCE-VUL-11982.

Description of the vulnerability

An attacker can send a malicious SIP packet containing an SDP message, in order to create a denial of service on Cisco IOS and Cisco Unified Communications Manager.

Technical details are unknown.
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