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vulnerability CVE-2011-2560 CVE-2011-2561 CVE-2011-2562

Cisco Unified Communications Manager: five denial of service

Synthesis of the vulnerability

A remote attacker can use five vulnerabilities of Cisco Unified Communications Manager, in order to create a denial of service.
Vulnerable products: Cisco CallManager, Cisco CUCM.
Severity of this weakness: 3/4.
Consequences of a hack: denial of service on service.
Hacker's origin: internet client.
Number of vulnerabilities in this bulletin: 5.
Creation date: 25/08/2011.
Références of this bulletin: 113127, 113136, 113199, BID-49300, BID-49302, CERTA-2011-AVI-477, CERTA-2011-AVI-478, cisco-amb-20110824-cucm-ime, cisco-sa-20110824-cucm, cisco-sa-20110824-ime, CSCtc61990, CSCtf97162, CSCth19417, CSCth26669, CSCth43256, CVE-2011-2560, CVE-2011-2561, CVE-2011-2562, CVE-2011-2563, CVE-2011-2564, VIGILANCE-VUL-10950.

Description of the vulnerability

Five vulnerabilities were announced in Cisco Unified Communications Manager.

The Packet Capture Service of Cisco Unified Communications Manager version 4 does not close idle connections. An attacker can therefore open several TCP sessions, in order to create a denial of service. [severity:3/4; CERTA-2011-AVI-478, CSCtf97162, CVE-2011-2560]

When the MTP (Media Termination Point) of Cisco Unified Communications Manager version 7 is configured with the codec g729ar8, an attacker can send a SIP packet with SDP (Session Description Protocol) data using this codec, in order to stop the service. [severity:3/4; CSCtc61990, CVE-2011-2561]

An attacker can send a malicious SIP packet, in order to stop the service. [severity:3/4; CSCth43256, CVE-2011-2562]

An attacker can send malicious SAF (Service Advertisement Framework) packets, in order to reload the service of Cisco Unified Communications Manager version 8 and Cisco Intercompany Media Engine. [severity:2/4; 113136, BID-49300, CERTA-2011-AVI-477, cisco-sa-20110824-ime, CSCth26669, CVE-2011-2563]

An attacker can send malicious SAF (Service Advertisement Framework) packets, in order to reload the service of Cisco Unified Communications Manager version 8 and Cisco Intercompany Media Engine. [severity:2/4; 113136, BID-49300, cisco-sa-20110824-ime, CSCth19417, CVE-2011-2564]
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