this post was submitted on 19 Jul 2024
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832
CrowdStrike downtime apparently caused by update that replaced a file with 42kb of zeroes (twiiit.com)
submitted 3 months ago* (last edited 3 months ago) by [email protected] to c/[email protected]
190 comments fedilink hide all child comments
 

…according to a Twitter post by the Chief Informational Security Officer of Grand Canyon Education.

So, does anyone else find it odd that the file that caused everything CrowdStrike to freak out, C-00000291-
00000000-00000032.sys was 42KB of blank/null values, while the replacement file C-00000291-00000000-
00000.033.sys was 35KB and looked like a normal, if not obfuscated sys/.conf file?

Also, apparently CrowdStrike had at least 5 hours to work on the problem between the time it was discovered and the time it was fixed.

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[–] [email protected] 223 points 3 months ago (4 children)

Don't Google solar winds

[–] [email protected] 86 points 3 months ago (1 children)

Holy hell

[–] [email protected] 53 points 3 months ago

New vulnerability just dropped

[–] [email protected] 22 points 3 months ago

Oooooooo this one again thank you for reminding me

[–] [email protected] 6 points 3 months ago

That one turns out to have been largely Microsoft's fault for repeatedly ignoring warnings of a severe vulnerability relating to Active Directory. Microsoft were warned about it, acknowledged it and ignored it for years until it got used in the Solar Winds hack.

[–] [email protected] 1 points 3 months ago

lesson not learned