Cyber Risks · Cisco Talos

Out of Band Microsoft Security Advisory MS08-067

Summary: Microsoft released an out-of-band patch on October 23, 2008 for a DCE/RPC vulnerability that was being actively exploited by a Trojan. Cisco Talos published Snort rules for the issue the same day and linked to Microsoft's bulletin MS08-067 and its entry for TrojanSpy:Win32/Gimmiv.A.

What's compelling: An out-of-band patch means Microsoft judged the active exploitation serious enough not to wait for its normal release cycle, so the window between disclosure and attack was already open when the fix shipped.

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Topics
Vulnerabilities & Patching
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