Cisco CallManager CTI memory leak
| cisco-cti-memory-leak (8655) |  Low Risk |
Description:
Cisco CallManager is vulnerable to a denial of service attack. By default, the Telephony Call Dispatch (TCD) service is enabled. This could lead to a memory leak, if a user fails to authenticate when using the Computer Telephony Integration (CTI) or if the CTI Framework (CTIFW) user is not configured.
Platforms Affected:
- Cisco, Unified CallManager 3.0
- Cisco, Unified CallManager 3.1
Remedy:
Upgrade to the latest version of CallManager (3.1(3a)or later), as listed in Cisco Security Advisory 2002 March 27 17:00 UTC. See References.
Consequences:
Denial of Service
References:
- Cisco Systems Inc. Security Advisory, 2002 March 27 17:00 UTC, LDAP Connection Leak in CTI when User Authentication Fails at http://www.cisco.com/warp/public/707/callmanager-ctifw-leak-pub.shtml.
- BID-4370: Cisco CallManager CTI Memory Leak Denial of Service Vulnerability
- CVE-2002-0505: Memory leak in the Call Telephony Integration (CTI) Framework authentication for Cisco CallManager 3.0 and 3.1 before 3.1(3) allows remote attackers to cause a denial of service (crash and reload) via a series of authentication failures, e.g. via incorrect passwords.
- US-CERT VU#495275: Cisco CallManager contains memory leak
Reported:
Mar 28, 2002
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