GEN:SID | 1:1939 |
Message | MISC bootp hardware address length overflow |
Summary | This event is generated when a possible buffer overflow is attempted for the bootpd service.
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Impact | Remote access. This attack may permit the execution of arbitrary commands on the vulnerable server.
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Detailed Information | Bootp is a protocol used for devices such as diskless workstations to locate a host from which to boot and to receive an assigned an IP address. A flaw exists in the bootpd service allowing a possible buffer overflow condition when a bootp request is issued with an invalid hardware address type. This attack may permit the execution of arbitrary commands on the vulnerable server.
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Affected Systems | OpenBSD 2.3, 2.4 FreeBSD - Releases up to and including 2.x
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Attack Scenarios | An attacker may attempt to use this exploit to gain remote access on the vulnerable server.
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Ease of Attack | Simple. Exploit code is freely available.
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Corrective Action | Block bootp traffic from entering your network.
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Additional References | CVE http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-1999-0798
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Rule References | cve: 1999-0798
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