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Bug #7630

closed

eve/alert: incorrect verdict with pass + alert rule

Added by Jesse Lepich 8 months ago. Updated 20 days ago.

Status:
Closed
Priority:
Normal
Target version:
Affected Versions:
Effort:
Difficulty:
Label:

Description

This rule:

pass tls $HOME_NET any -> any any (alert; tls.sni; content:"checkip.amazonaws.com"; sid:202502272;)

produces an alert log entry with a verdict of "alert" instead of "pass":

"verdict": {"action": "alert"},


Subtasks 2 (0 open2 closed)

Bug #7906: eve/alert: incorrect verdict with pass + alert rule (7.0.x backport)ClosedJuliana Fajardini ReichowActions
Bug #7911: eve/alert: incorrect verdict with pass + alert rule (8.0.x backport)ClosedJuliana Fajardini ReichowActions
Actions #1

Updated by Philippe Antoine 4 months ago

  • Status changed from New to Feedback
  • Assignee changed from OISF Dev to Juliana Fajardini Reichow

Hmmm... I would expect a verdict alert...

Actions #2

Updated by Juliana Fajardini Reichow 4 months ago

  • Target version changed from TBD to 9.0.0-beta1
Actions #3

Updated by Juliana Fajardini Reichow 4 months ago

It should be pass, if that's the rule that triggered.
The PASS action is the only one with a different check-style when we log the verdict, so there may be something here.

But more info could be of help, still, indeed.

Actions #4

Updated by Juliana Fajardini Reichow 4 months ago

  • Label Needs backport, Needs backport to 7.0 added
Actions #5

Updated by Juliana Fajardini Reichow 4 months ago

  • Related to Bug #7544: eve/alert: verdict reports "alert" when traffic is allowed implicitly/passively added
Actions #6

Updated by OISF Ticketbot 2 months ago

  • Subtask #7906 added
Actions #7

Updated by OISF Ticketbot 2 months ago

  • Label deleted (Needs backport to 7.0)
Actions #8

Updated by Victor Julien 2 months ago

  • Label Needs backport to 8.0 added
  • Label deleted (Needs backport)
Actions #9

Updated by OISF Ticketbot 2 months ago

  • Subtask #7911 added
Actions #10

Updated by OISF Ticketbot 2 months ago

  • Label deleted (Needs backport to 8.0)
Actions #11

Updated by Shivani Bhardwaj 27 days ago

  • Subject changed from pass rules with alert; keyword log with a verdict of "alert" instead of "pass" to output/alert: incorrect verdict with pass + alert rule
Actions #12

Updated by Shivani Bhardwaj 27 days ago

  • Related to deleted (Bug #7544: eve/alert: verdict reports "alert" when traffic is allowed implicitly/passively)
Actions #13

Updated by Shivani Bhardwaj 27 days ago

  • Has duplicate Bug #7544: eve/alert: verdict reports "alert" when traffic is allowed implicitly/passively added
Actions #14

Updated by Victor Julien 25 days ago

  • Subject changed from output/alert: incorrect verdict with pass + alert rule to eve/alert: incorrect verdict with pass + alert rule
Actions #15

Updated by Juliana Fajardini Reichow 25 days ago · Edited

  • Assignee changed from Juliana Fajardini Reichow to Philippe Antoine

As Philippe is working on a fix that seems to also impact this.

Actions #17

Updated by Juliana Fajardini Reichow 25 days ago

  • Has duplicate deleted (Bug #7544: eve/alert: verdict reports "alert" when traffic is allowed implicitly/passively)
Actions #18

Updated by Juliana Fajardini Reichow 25 days ago

Removed the Duplicate of #7544 as to me that one has more of a feature request + some considerations on what is understood as `pass` and `accepted` in IPS mode.

Although there may be more to that one -- which means it still requires further investigation, while this could be fixed by what Philippe has patched recently.

Actions #19

Updated by Philippe Antoine 24 days ago

  • Assignee changed from Philippe Antoine to Juliana Fajardini Reichow

I am not the one working on the good fix for this ;-p

Actions #20

Updated by Juliana Fajardini Reichow 22 days ago

  • Status changed from Feedback to Assigned

Philippe Antoine wrote in #note-19:

I am not the one working on the good fix for this ;-p

What a roller coaster :P

Actions #21

Updated by Juliana Fajardini Reichow 22 days ago · Edited

  • Status changed from Assigned to In Review

MR on gitlab

Actions #22

Updated by Victor Julien 20 days ago

  • Status changed from In Review to Closed
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