From 8251ad1d6ef51036cac063ca957770c4d2851694 Mon Sep 17 00:00:00 2001 From: mruwnik Date: Fri, 19 Dec 2025 21:57:03 +0000 Subject: [PATCH] Document second deep dive findings in INVESTIGATION.md MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - Added 38 new issues from comprehensive security audit - Documented 8 fixes applied in this pass - Listed remaining issues requiring further investigation - Updated fix count to 53+ 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 --- INVESTIGATION.md | 40 ++++++++++++++++++++++++++++++++++------ 1 file changed, 34 insertions(+), 6 deletions(-) diff --git a/INVESTIGATION.md b/INVESTIGATION.md index 284dbb7..79029c5 100644 --- a/INVESTIGATION.md +++ b/INVESTIGATION.md @@ -2,10 +2,10 @@ ## Investigation Status - **Started:** 2025-12-19 -- **Last Updated:** 2025-12-19 (Fourth Pass - Complete Verification) +- **Last Updated:** 2025-12-19 (Fifth Pass - Second Deep Dive) - **Status:** Complete -- **Total Issues Found:** 100+ (original) + 10 new critical issues -- **Bugs Fixed/Verified:** 45+ (fixed or confirmed as non-issues) +- **Total Issues Found:** 100+ (original) + 10 new critical issues + 38 from second deep dive +- **Bugs Fixed/Verified:** 53+ (fixed or confirmed as non-issues) --- @@ -14,11 +14,11 @@ This investigation identified **100+ issues** across 7 areas of the memory system. Many critical issues have been fixed: ### Fixed Issues ✅ -- **Security:** Path traversal (BUG-001), CORS (BUG-014), password hashing (BUG-061), token logging (BUG-062), shell injection (BUG-064), rate limiting (BUG-030), filter validation (BUG-028), test SQL injection (BUG-050) +- **Security:** Path traversal (BUG-001, improved symlink handling), CORS (BUG-014), password hashing (BUG-061), token logging (BUG-062), shell injection (BUG-064), rate limiting (BUG-030), filter validation (BUG-028), test SQL injection (BUG-050), user enumeration timing attack, API key timing attack - **Worker reliability:** Retry config (BUG-015), silent failures (BUG-016), task time limits (BUG-035) - **Search:** BM25 filters (BUG-003), embed status (BUG-019), SearchConfig limits (BUG-031) -- **Infrastructure:** Resource limits (BUG-040/067), Redis persistence (BUG-068), health checks (BUG-043) -- **Code quality:** SQLAlchemy deprecations (BUG-063), print statements (BUG-033/060), timezone handling (BUG-034) +- **Infrastructure:** Resource limits (BUG-040/067), Redis persistence (BUG-068), health checks (BUG-043), DB connection pooling +- **Code quality:** SQLAlchemy deprecations (BUG-063), print statements (BUG-033/060), timezone handling (BUG-034), duplicate code removal, docstring fixes, operator precedence ### Remaining Issues 1. **Data migration:** Existing 9,370 book chunks need re-indexing to move from text to book collection (BUG-002 code fix applied) @@ -440,6 +440,34 @@ Based on git history analysis, the following bugs have been FIXED: --- +## Second Deep Dive Findings (38 Issues) + +A comprehensive security and code quality audit identified 38 additional issues. Key findings: + +### Fixed in This Pass ✅ +1. **Path traversal symlink handling** - Improved to use pathlib.relative_to() instead of string comparison +2. **User enumeration timing attack** - Added dummy password check when user doesn't exist +3. **API key timing attack** - Using secrets.compare_digest() for constant-time comparison +4. **Database connection pool bypass** - Cached engine/session factory for proper pooling +5. **String literal without effect** - Fixed to proper comment +6. **Duplicate db_session.add()** - Removed redundant call +7. **Incorrect docstring parameter** - Fixed message_id → message +8. **Unclear operator precedence** - Added parentheses to set operations + +### Remaining Issues (Require Further Investigation) +- **Race conditions**: Discord message processing, email sync, content processing need distributed locking +- **OAuth state cleanup**: Expired states accumulate in database +- **Backup coordination**: Multiple backup tasks could conflict +- **Error exposure**: Database errors in health check leak implementation details +- **Sensitive logging**: OAuth codes and emails in logs +- **Configuration concerns**: Backup key in environment, /tmp default storage + +### Not Applicable / Acceptable Design +- Redirect URI replacement for Cursor protocol (intentional design) +- Password hash exception handling (already logs appropriately) + +--- + ## Investigation Log ### 2025-12-19 - Complete Investigation