Microsoft releases patch for Windows PrintNightmare
Windows customers might be happy to know that Microsoft has released a brand new patch to safe the PrintNightmare exploit correcting the print spooler distant code execution vulnerability. “A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.”
“UPDATE July 7, 2021: The security update for Windows Server 2012, Windows Server 2016 and Windows 10, Version 1607 have been released. Please see the Security Updates table for the applicable update for your system. We recommend that you install these updates immediately. If you are unable to install these updates, see the FAQ and Workaround sections in this CVE for information on how to help protect your system from this vulnerability.”
Dealing with strings & filenames is difficult😉
New operate in #mimikatz 🥝to normalize filenames (bypassing checks through the use of UNC as an alternative of servershare format)
So a RCE (and LPE) with #printnightmare on a completely patched server, with Point & Print enabled
— 🥝 Benjamin Delpy (@gentilkiwi) July 7, 2021
“In order to secure your system, you must confirm that the following registry settings are set to 0 (zero) or are not defined (Note: These registry keys do not exist by default, and therefore are already at the secure setting.)”:
NoWarningNoElevationOnInstall = 0 (DWORD) or not outlined (default setting)
NoWarningNoElevationOnUpdate = 0 (DWORD) or not outlined (default setting)
for extra info on correcting the PrintNightmare exploit and putting in the right patch bounce over to the official Microsoft web site by following the hyperlink beneath.
Latest Geeky Gadgets Deals
Disclosure: Some of our articles embrace affiliate hyperlinks. If you buy one thing by way of one among these hyperlinks, Geeky Gadgets might earn an affiliate fee. Learn more.
This Web site is affiliated with Amazon associates, Clickbank, JVZoo, Sovrn //Commerce, Warrior Plus etc.