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Bug #7773

open

Bug #7638: detect: incorrect rule ordering with more complex flowbit chains

flowbits: no-op unset + isnotset combinations are accepted

Added by Shivani Bhardwaj about 2 months ago. Updated 18 days ago.

Status:
In Review
Priority:
High
Assignee:
Shivani Bhardwaj
Target version:
9.0.0-beta1
Affected Versions:
8.0.0
Effort:
Difficulty:
low
Label:

Description

For example, a rule like:

alert tcp any any -> any any (msg:"unset + isnotset"; flowbits:isnotset,abc; http.method; content:"GET"; flowbits:unset,abc; sid:111)

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 #1

Updated by Shivani Bhardwaj about 2 months ago

  • Description updated (diff)
  • Priority changed from Normal to High
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 #2

Updated by Shivani Bhardwaj about 2 months ago

  • Difficulty set to low
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 #3

Updated by Shivani Bhardwaj about 1 month ago

  • Target version changed from 8.0.0 to 9.0.0-beta1
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 #4

Updated by Philippe Antoine 24 days ago

  • Affected Versions 8.0.0 added
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 #6

Updated by Shivani Bhardwaj 18 days ago

  • Status changed from Assigned to In Review
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