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# adobe
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Mark Takata (Adobe)
03/14/2023, 3:47 PMANNOUNCEMENT: CF2021 & CF2018 Security Updates
https://community.adobe.com/t5/coldfusion-discussions/released-coldfusion-2021-and-2018-march-2023-security-updates/td-p/13649873
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Adam Cameron
03/14/2023, 4:06 PM
Good to see cfclient getting a mention in there.
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Mark Takata (Adobe)
03/14/2023, 4:28 PMCFclienting it up in here
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Adam Cameron
03/14/2023, 5:30 PM
pina coladas in one thread, cfclient in this thread. If this doesn't say party, I don't know what does.
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Gareth
03/14/2023, 10:56 PM@Mark Takata (Adobe) do you know if its possible to avoid having to apply this update if we simply add -Dcoldfusion.cfclient.enable=false to the jvm config ?
also, is there more information you can provide on what has changed ? what if we’re intentionally reading files within the system ? are there new sandbox limitations ?
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Mark Takata (Adobe)
03/14/2023, 11:05 PMGareth, I am unable to comment directly on this (security stuff, etc), but please email cfsup@adobe.com with this question and they will direct you to someone who can hopefully help you with your direct inquiry. Also, while he does not represent Adobe, I would also suggest you note Charlie's comment here: https://coldfusion.adobe.com/2023/03/released-coldfusion-2021-and-2018-march-2023-security-updates/ (scroll to the comments).
@priyank_adobe @sandip_halder is there a more direct email address for folks who have inquires of this type that are security related in this matter?
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gamesover
03/15/2023, 1:14 AMDoes the CF2021u6 update work? Has anyone installed it without complications?
I'm asking because I haven't yet and the only comment (beyond Charlie's) is that someone was surprised by a new requirement to install the administrator package via the CLI package manager (from 15 minutes ago).
UPDATE: We updated via web portal UI and updates went without incident. (Phew!)
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Gareth
03/15/2023, 2:03 AM@Mark Takata (Adobe) a call from our enterprise account manager might be nice…
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priyank_adobe
03/15/2023, 6:44 AM@Gareth Unfortunately, we cannot share what has changed as it is a security update. You have to apply the update along with jvm flags, we cannot skip that.
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Dan Roberts
03/16/2023, 4:47 PMdo the steps/settings in the lockdown guide disallow the related attacks from being successful?
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