GEN:SID | 1:2336 |
Message | TFTP NULL command attempt |
Summary | This event is generated when an attempt is made to exploit a known vulnerability in a Verilink NetEngine Broadband Router.
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Impact | Denial of Service (DoS)
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Detailed Information | TFTP is used to transfer files between hosts and devices. This event is indicative of spurious activity in TFTP traffic between hosts.
It is possible for an attacker to send a NULL opcode to a Verilink NetEngine Broadband Router, this may cause the router to become unresponsive.
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Affected Systems | Verilink NetEngine 6100-4
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Attack Scenarios | An attacker may use a publicly available exploit script to cause the DoS.
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Ease of Attack | Simple. Exploit code is available.
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Corrective Action | Apply the appropriate vendor supplied patches.
Upgrade to the latest non-affected version of the software. |
Additional References | |
Rule References | bugtraq: 7575
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