?? 2104.txt
字號(hào):
Rule:--Sid:2104--Summary:This event is generated when an attempt is made to exploit a vulnerability in the rexec daemon is unsucessful. This event is an indication that someone supplied an overly long username to the rexec daemon.--Impact:Serious. An attacker may gain escalated privileges offering super user access on the affected host.--Detailed Information:Rexec offers users the ability to execute commands on a host from remote locations.A vulnerability exists such that an when an overly long username is supplied to the rexec daemon, a buffer overflow condition may occur thus presenting the attacker with the opportunity to execute arbitrary code and possibly gain escalated privileges on the target host.--Attack Scenarios:Simple.--Ease of Attack:Simple.--False Positives:None Known--False Negatives:None Known--Corrective Action:Upgrade to the latest non-affected version of the software.Disallow rexec commands from sources external to the protected network.--Contributors:Sourcefire Research TeamBrian Caswell <bmc@sourcefire.com>Nigel Houghton <nigel.houghton@sourcefire.com>--Additional References:--
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