Bug 13137 - S4U2Proxy tickets from a Samba KDC don't pass PAC verification checks (authtime mismatch)
Summary: S4U2Proxy tickets from a Samba KDC don't pass PAC verification checks (authti...
Status: NEW
Alias: None
Product: Samba 4.1 and newer
Classification: Unclassified
Component: AD: LDB/DSDB/SAMDB (show other bugs)
Version: 4.7.0
Hardware: All All
: P5 normal (vote)
Target Milestone: ---
Assignee: Stefan Metzmacher
QA Contact: Samba QA Contact
URL: https://gitlab.com/samba-team/samba/-...
Keywords:
Depends on:
Blocks:
 
Reported: 2017-11-14 15:29 UTC by Stefan Metzmacher
Modified: 2022-03-25 11:15 UTC (History)
3 users (show)

See Also:

Attachments
Work in progress patch (1.75 KB, patch)
2017-12-13 12:45 UTC, Stefan Metzmacher 		no flags Details
Show Obsolete (1) View All Add an attachment (proposed patch, testcase, etc.)

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Description Stefan Metzmacher 2017-11-14 15:29:57 UTC 
The ticket authtime of a Samba generated S4U2Proxy ticket and the logon_time
in the PAC_LOGON_NAME mismatch, because the ticket authtime is not taken
from the additional ticket.
Comment 1 Stefan Metzmacher 2017-12-13 12:45:11 UTC 
Created attachment 13865 [details]
Work in progress patch
Comment 2 Stefan Metzmacher 2022-03-25 11:15:36 UTC 
Comment on attachment 13865 [details]
Work in progress patch

The current patch is on https://gitlab.com/samba-team/samba/-/merge_requests/2458