GEN:SID | 1:2385 |
Message | NETBIOS SMB-DS DCERPC NTLMSSP invalid mechlistMIC attempt |
Summary | This event is generated when an attempt is made to exploit a known vulnerability in the Microsoft implementation of the ASN.1 Library.
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Impact | Serious. Execution of arbitrary code, DoS.
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Detailed Information | A buffer overflow condition in the Microsoft implementation of the ASN.1 Library. It may be possible for an attacker to exploit this condition by sending specially crafted authentication packets to a host running a vulnerable operating system.
When the taget system decodes the ASN.1 data, exploit code may be included in the data that may be excuted on the host with system level privileges. Alternatively, the malformed data may cause the service to become unresponsive thus causing the DoS condition to occur.
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Affected Systems | Microsoft Windows NT Microsoft Windows NT Terminal Server Edition Microsoft Windows 2000 Microsoft Windows XP Microsoft Windows 2003
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Attack Scenarios | |
Ease of Attack | Simple. Exploit code exists.
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Corrective Action | Apply the appropriate vendor supplied patches.
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Additional References | |
Rule References | bugtraq: 9633
bugtraq: 9635
cve: 2003-0818
nessus: 12052
nessus: 12054
nessus: 12065
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