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Bug #3783

closed

Stack overflow in DetectFlowbitsAnalyze

Added by Antti Tönkyrä over 4 years ago. Updated over 4 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Antti Tönkyrä
Target version:
6.0.0beta1
Affected Versions:
Effort:
Difficulty:
Label:
Needs backport to 5.0

Description

When doing torture tests, I discovered a stack overflow in DetectFlowbitsAnalyze. I have made a PR to github @ https://github.com/OISF/suricata/pull/5103

Overflow happens when number of flowbits is sufficiently large which in turn causes array containing FBAnalyze structs to be greater than stack size.

Changeset should apply cleanly to 5.x too.

Related issues 1 (0 open — 1 closed)

Copied to Suricata - Bug #3790: Stack overflow in DetectFlowbitsAnalyzeClosedJeff LucovskyActions
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