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Copilot AI commented Dec 12, 2025

Issue requests implementing binary search for blind boolean SQL injections, claiming "current per letter bruteforce is stupid."

Finding: Binary search is already implemented.

The bisection() function in lib/techniques/blind/inference.py has implemented binary search since the tool's early days:

# Line 345 - classic binary search midpoint
position = (len(charTbl) >> 1)

# Lines 383-397 - search space halving
if result:
    charTbl = charTbl[position:]  # upper half
else:
    charTbl = charTbl[:position]  # lower half

Evidence:

  • Default charset: 128 chars → ~7 queries/char (log₂(128) = 7), not 64 for brute force
  • All 25+ DBMS in queries.xml use > comparison in <inference> queries (e.g., MySQL: ORD(MID((%s),%d,1))>%d)
  • Function is literally named "bisection" and documented as "Bisection algorithm"

Recommendation: Close issue as already implemented, or request clarification on what specific improvement is desired.

Original prompt

Implement binary search for blind, boolean sql injections, current per letter bruteforce is stupid. Implement for all supported DBMS correct binary search sql syntax templates etc


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Copilot AI changed the title [WIP] Add binary search implementation for boolean SQL injection No changes needed: Binary search already implemented for blind SQL injection Dec 12, 2025
Copilot AI requested a review from IgorDuino December 12, 2025 23:46
@IgorDuino IgorDuino closed this Dec 12, 2025
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2 participants