Details on the vulnerability were released on the Full Disclosure mailing listing before this calendar week as well as Microsoft followed upwards amongst ii carve upwards weblog posts discussing the ramifications of the work as well as suggesting workarounds until a spell tin move created as well as released.
According to Microsoft’s Mark Wodrich, the vulnerability was identified inward the BROWSER protocol as well as although all versions of Windows are vulnerable, the effect is to a greater extent than probable to impact server systems running every bit the Primary Domain Controller (PDC).
“In environments next best practices, the BROWSER protocol should move blocked at the border firewalls hence limiting attacks to the local network,” Wodrich said.
Wodrich provided technical confirmation of the buffer overrun vulnerability as well as explained that a malformed BROWSER message would campaign the Master Browser to hitting a component of vulnerable code to trigger the vulnerability.
He warned that remote code execution (highest severity) may move possible inward for certain circumstances.
“While [remote code execution] is theoretically possible, nosotros experience it is non probable inward practice,” Wodrich said, noting that a to a greater extent than gamble develop on scenario would move denial-of-service attacks.
Microsoft has non nonetheless issued a formal safety advisory amongst mitigation guidance or workarounds.
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