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Vulnerability of Cisco IPS 4200: denial of service via updateTime

Synthesis of the vulnerability 

An attacker can send a malicious traffic, in order to generate an error in "updateTime", which stops Cisco IPS.
Vulnerable software: Cisco IPS.
Severity of this announce: 2/4.
Creation date: 18/09/2012.
Références of this computer vulnerability: CSCta96144, CVE-2012-3901, VIGILANCE-VUL-11959.

Description of the vulnerability 

An attacker can send a malicious traffic, in order to generate an error in "updateTime", which stops Cisco IPS.
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This computer vulnerability alert impacts software or systems such as Cisco IPS.

Our Vigil@nce team determined that the severity of this computer threat alert is medium.

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

An attacker with a expert ability can exploit this security vulnerability.

Solutions for this threat 

Cisco IPS: version 7.0(4)E4.
The version 7.0(4)E4 is corrected.
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