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Cisco Unified Communications Manager: denials of service
Synthesis of the vulnerability
An attacker can use SCCP, SIP or CIT messages, in order to generate denials of service on Cisco Unified Communications Manager.
Impacted systems: Cisco CallManager, Cisco CUCM.
Severity of this alert: 2/4.
Consequences of an intrusion: denial of service on service.
Pirate's origin: intranet client.
Number of vulnerabilities in this bulletin: 5.
Creation date: 03/03/2010.
Références of this alert: 111579, 111803, BID-38495, BID-38496, BID-38497, BID-38498, BID-38501, CERTA-2010-AVI-103, cisco-amb-20100303-cucm, cisco-sa-20100303-cucm, CSCsu31800, CSCtc37188, CSCtc38985, CSCtc47823, CSCtc62362, CVE-2010-0587, CVE-2010-0588, CVE-2010-0590, CVE-2010-0591, CVE-2010-0592, VIGILANCE-VUL-9491.
Description of the vulnerability
Five denials of service were announced in Cisco Unified Communications Manager.
An attacker can send a SCCP (Skinny Client Control Protocol) StationCapabilitiesRes message with a large MaxCap field, in order to stop a process, which leads to a denial of service. [severity:2/4; BID-38496, CERTA-2010-AVI-103, CSCtc38985, CVE-2010-0587]
An attacker can send a malformed SCCP (Skinny Client Control Protocol) RegAvailableLines/FwdStatReq message, in order to stop a process, which leads to a denial of service. [severity:2/4; BID-38501, CSCtc47823, CVE-2010-0588]
An attacker can send a malformed SIP REGISTER message, in order to stop a process, which leads to a denial of service. [severity:2/4; BID-38495, CSCtc37188, CVE-2010-0590]
An attacker can send a SIP REGISTER message with a malformed phone url, in order to stop a process, which leads to a denial of service. [severity:2/4; BID-38498, CSCtc62362, CVE-2010-0591]
An attacker can send a malformed CIT (Computer Telephony Integration) message on the port 2748/tcp, in order to stop CTI Manager. [severity:2/4; BID-38497, CSCsu31800, CVE-2010-0592]
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