var-200204-0024
Vulnerability from variot

Format string vulnerability in the administration function in Cisco Secure Access Control Server (ACS) for Windows, 2.6.x and earlier and 3.x through 3.01 (build 40), allows remote attackers to crash the CSADMIN module only (denial of service of administration function) or execute arbitrary code via format strings in the URL to port 2002. ACS is the commercial access control server distributed and maintained by Cisco Systems. This problem affects CiscoSecure ACS on the Microsoft Windows platform. ACS does not properly handle user-supplied input. ACS is vulnerable to a format string attack which could allow the execution of arbitrary code. By sending a custom-crafted URL to port 2002 of a vulnerable server, it is possible to execute user-supplied code with the privileges of the ACS server. There is a loophole in the implementation of CiscoSecure ACS software under the Microsoft Windows platform, and a remote attacker may use this loophole to execute arbitrary commands on the host. There is a formatting overflow vulnerability when ACS processes user input

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