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Microsoft: fix security issue with non-security update. Instructions point to non-existent KB page

Can issues get any worse than this? Microsoft printed a security advisory yesterday — ADV190005 | Guidance to regulate HTTP/2 SETTINGS frames — which impacts Windows Server working Internet Information Services (IIS).

The security issue could possibly be abused to trigger CPU utilization to improve to 100% till the malicious HTTP/2 “connections are killed by IIS”.

The advisory recommends to directors that they install the February non-security updates for the model of Windows 10 that’s put in on an affected system. Microsoft launched cumulative updates for all supported variations of Windows 10 on the February Patch Tuesday that included security updates.

The updates that Microsoft refers to within the advisory have been launched this week for Windows 10 model 1607 to 1803 (the replace for Windows 10 model 1809 is being examined within the Release Preview ring at present) and the associated Windows Server variations.

No directions obtainable


It will not be the primary time that non-security updates replace security associated content material. The principal issue with the strategy is that it weakens the already-very-weak distinction between the month-to-month security and non-security releases.

The strategy is much from preferrred particularly for directors and customers who set up security-only patches completely on units.

Update: Microsoft printed the help article within the meantime.

What makes this explicit security advisory much more problematic is that Microsoft asks prospects to overview a Knowledge Base article that doesn’t exist.

The security advisory was printed yesterday, however the important help article will not be printed but (a day after the discharge). It is feasible that Microsoft made an error when it added the hyperlink to the page, however somebody will surely have verified the hyperlink earlier than hitting the publish button.

It is unclear whether or not the set up of the updates fixes the problems or if different steps are required to resolve it fully.

Closing Words

This will not be the primary time that Microsoft launched updates or advisories with out publishing their help pages. I printed Microsoft, please publish support pages before updates in 2016 to elevate consciousness for the issue.

Users and directors might encounter Windows updates and patches with out possibility to discover out what they really do, might introduce points, or have further steps or necessities.

Administrators may set up the patches and hope for the perfect on this explicit case, or wait till Microsoft publishes the help page. Both choices will not be very nice; the primary may imply that necessary steps to defend the server will not be applied due to lacking directions, the second that assaults may hit the server whereas the administrator waits for Microsoft to launch the help page.

Now You: What would you do and what’s your tackle this? (by way of Ask Woody)

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