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weakness alert CVE-2010-0587 CVE-2010-0588 CVE-2010-0590

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.
Severity of this alert: 2/4.
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.
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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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This computer vulnerability note impacts software or systems such as Cisco CallManager, Cisco CUCM.

Our Vigil@nce team determined that the severity of this computer vulnerability announce is medium.

The trust level is of type confirmed by the editor, with an origin of intranet client.

This bulletin is about 5 vulnerabilities.

An attacker with a expert ability can exploit this cybersecurity announce.

Solutions for this threat

Cisco Unified Communications Manager: corrected versions.
Following versions are corrected:
The Cisco announce indicates workarounds.
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