![]() Unified Communication Manager Session Management Edition (SME).Unified Communications Manager IM and Presence Service (IM&P) earlier releases were known as Cisco Unified Presence.Hosted Collaboration Mediation Fulfillment.This vulnerability affects the following Cisco Voice Operating System (VOS)-based products: This advisory is available at the following link: There are no workarounds that address this vulnerability. The lack of available disk space could lead to a DoS condition in which the application functions could operate abnormally, making the appliance unstable.Ĭisco has released software updates that address this vulnerability. Successful exploitation could allow the attacker to increase the size of a system log file so that it consumes most of the disk space. An attacker could exploit this vulnerability by sending crafted remote connection requests to the appliance. ![]() Therefore, the file is allowed to consume the majority of available disk space on the appliance. The vulnerability occurs because a certain system log file does not have a maximum size restriction. Multiple Cisco products are affected by a vulnerability in local file management for certain system log files of Cisco collaboration products that could allow an unauthenticated, remote attacker to cause high disk utilization, resulting in a denial of service (DoS) condition.
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