[outages] GPSd bug may cause auth failures next week (10/24/2021)

Jay R. Ashworth jra at baylink.com
Mon Oct 18 13:53:51 EDT 2021


A bug in the GPS Week Rollover code of GPSd, which apparently isn't quite
as tight as ESR thinks it is, may cause GPD steered clocks and infrastructre
to report incorrect date-data starting on or about 10-24-2021 (presumably) UTC,
and this may bubble up into authentication and security protocols (including
SSL) since they tend to depend on everyone having the same clock these days.

Write a post it note with that date on top, and put it on your cubicle wall,
so that if things get hincky that day, you remember why.  Or, y'know, whatever
internal dissemination protocol your organization utilizes.  :-)

Replies to -discuss, please.

https://isc.sans.edu/forums/diary/Keeping+Track+of+Time+Network+Time+Protocol+and+a+GPSD+Bug/27886/

https://gpsd.gitlab.io/gpsd/

Cheers,
-- jra

-- 
Jay R. Ashworth                  Baylink                       jra at baylink.com
Designer                     The Things I Think                       RFC 2100
Ashworth & Associates       http://www.bcp38.info          2000 Land Rover DII
St Petersburg FL USA      BCP38: Ask For It By Name!           +1 727 647 1274


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