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Bug #5786

closed

smb: possible evasion with trailing nbss data

Added by Victor Julien over 1 year ago. Updated 12 months ago.

Status:
Closed
Priority:
Normal
Assignee:
Philippe Antoine
Target version:
7.0.0-rc2
Affected Versions:
Effort:
Difficulty:
Label:

Description

If nbss trailing data would be part of a larger read or write record, the streaming mode will likely get confused by the trailing data.

Subtasks 2 (0 open — 2 closed)

Bug #5898: smb: possible evasion with trailing nbss data (6.0.x backport)ClosedPhilippe AntoineActions
Bug #5904: smb: possible evasion with trailing nbss data (6.0.x backport)RejectedPhilippe AntoineActions

Related issues 1 (0 open — 1 closed)

Related to Suricata - Bug #5770: smb: no consistency check between NBSS length and length field for some SMB operationsClosedPhilippe AntoineActions
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 #1

Updated by Philippe Antoine over 1 year ago

  • Status changed from Assigned to In Review
  • Target version changed from TBD to 7.0.0-rc1
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 #2

Updated by Philippe Antoine over 1 year ago

  • Related to Bug #5770: smb: no consistency check between NBSS length and length field for some SMB operations added
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 #3

Updated by Philippe Antoine over 1 year ago

  • Target version changed from 7.0.0-rc1 to 7.0.0-rc2
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 #4

Updated by Philippe Antoine about 1 year ago

  • Status changed from In Review to Closed

Fixed by https://github.com/OISF/suricata/pull/8514

Would we want backports for this ?

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 #5

Updated by Victor Julien about 1 year ago

  • Label Needs backport to 6.0 added

Yeah I think that would be good.

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 #6

Updated by Philippe Antoine about 1 year ago

  • Status changed from Closed to Resolved
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 #7

Updated by Philippe Antoine about 1 year ago

  • Subtask #5898 added
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 #8

Updated by Philippe Antoine about 1 year ago

Victor Julien wrote in #note-5:

Yeah I think that would be good.

Done ;-)

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 #9

Updated by OISF Ticketbot about 1 year ago

  • Subtask #5904 added
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 #10

Updated by OISF Ticketbot about 1 year ago

  • Label deleted (Needs backport to 6.0)
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 #11

Updated by Victor Julien about 1 year ago

  • Status changed from Resolved to Closed
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 #12

Updated by Victor Julien about 1 year ago

  • Private changed from Yes to No
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