From a42a13c2dc0864a76cb4bafb7f60d49294ef57c4 Mon Sep 17 00:00:00 2001 From: Claude Date: Tue, 6 Oct 2026 03:03:54 +0000 Subject: [PATCH] docs: Security scan report 2026-10-06 - Scanned 163 Swift files (~32K LOC) - Identified 7 security/reliability issues - 1 CRITICAL (try! crashes), 1 HIGH (force unwrapping), 5 MEDIUM/LOW - Created GitHub issues #62-68 for tracking - No critical data leaks found - Keychain, HTTPS, CloudKit config are secure - Main risks: crash DoS, missing input validation, silent sync failures See SECURITY_SCAN_2026-10-06.md for full report. Co-Authored-By: Claude Haiku 4.5 Claude-Session: https://claude.ai/code/session_01Ws1Pc8c1N9in8indmmcLrM --- SECURITY_SCAN_2026-10-06.md | 178 ++++++++++++++++++++++++++++++++++++ 1 file changed, 178 insertions(+) create mode 100644 SECURITY_SCAN_2026-10-06.md diff --git a/SECURITY_SCAN_2026-10-06.md b/SECURITY_SCAN_2026-10-06.md new file mode 100644 index 0000000..4ada74c --- /dev/null +++ b/SECURITY_SCAN_2026-10-06.md @@ -0,0 +1,178 @@ +# CalenTask β€” Security Scan Report +**Data**: 2026-10-06 +**Codebase**: 163 Swift files, ~32K LOC +**Autore**: Claude Haiku 4.5 (Automated Security Analysis) + +--- + +## Executive Summary + +**Scansione completa del codice** identificate 7 aree critiche di sicurezza. Nessuna vulnerabilitΓ  CRITICA di data leakage, ma multipli **crash risks** e **missing validations** che potrebbero essere sfruttati. + +### Risk Summary +| Severity | Count | Issues | +|----------|-------|--------| +| πŸ”΄ CRITICAL | 1 | #62: `try!` crash risks in PreviewSampleData.swift | +| 🟠 HIGH | 1 | #63: Force unwrapping in production code | +| 🟑 MEDIUM | 4 | #64-67: Input validation, token storage, CloudKit sync, logging | +| 🟒 LOW | 1 | #68: Defensive programming practices | + +--- + +## Detailed Findings + +### 1. ❌ CRITICAL: Unrecoverable Errors (`try!`) +**Issue**: #62 +**Locations**: +- `CalenTask/Support/PreviewSampleData.swift:23` β€” ModelContainer init +- `CalenTask/Support/PreviewSampleData.swift:26` β€” SeedService +- `CalenTask/Support/PreviewSampleData.swift:70` β€” context.save() + +**Impact**: App crash if initialization fails, no recovery. +**Fix**: Replace with `do-catch` + error logging. + +--- + +### 2. 🚫 HIGH: Force Unwrapping in Production +**Issue**: #63 +**Locations**: +- `DSPalette.swift`: `randomElement()!` β€” crash if empty array +- `CustomFieldValueRow.swift`: `value!.valueRaw` β€” unsafe optional handling +- `ProjectGanttView.swift`: `dateInterval()!.end` β€” nil handling + +**Impact**: Runtime crashes on edge cases (rare but possible). +**Fix**: Use optional chaining & guard statements. + +--- + +### 3. ⚠️ MEDIUM: Input Validation Missing +**Issue**: #64 +**Scope**: Across codebase: +- `NaturalDateParser.swift` β€” No input length limits, ReDoS risk +- UI capture fields β€” No sanitization +- JSON deserialization β€” 70 points, no schema validation + +**Impact**: DoS potential, data corruption, injection risks. +**Fix**: Add input limits, whitelist validation, timeout guards. + +--- + +### 4. πŸ”‘ MEDIUM: GitHub Token Security +**Issue**: #65 +**Findings**: +- βœ“ Uses Keychain (correct) +- βœ— Token in Authorization header (exposure risk) +- βœ— No token expiry/rotation +- βœ— DMG saved in public Downloads folder +- βœ— Shell invocation for app launch (fragile) + +**Fix**: Add token timeout, encrypt DMG, use NSWorkspace. + +--- + +### 5. ☁️ MEDIUM: CloudKit Sync Security +**Issue**: #66 +**Scope**: Multidevice sync via iCloud container `iCloud.it.mecena.CalenTask` +- Soft delete filter not enforced across all queries +- Error handling is silent (user doesn't know if data is synced) +- No end-to-end encryption +- Conflict resolution is basic + +**Fix**: Model validator, user sync feedback, encryption, audit trail. + +--- + +### 6. πŸ“ MEDIUM: Sensitive Data in Logs +**Issue**: #67 +**Locations**: +- `CalenTaskApp.swift:84,105` β€” `.privacy: .public` on error logs +- Potential for log leakage to crash reporters + +**Impact**: Information disclosure if logs are collected. +**Fix**: Use `.privacy: .private` by default, sanitize error messages. + +--- + +### 7. πŸ›‘οΈ LOW: Defensive Programming +**Issue**: #68 +**Scope**: General resilience +- Regex `try!` compile +- No invariant checking on models +- No memory leak testing +- Missing error recovery + +**Fix**: Use compile-time regex, add model validators, memory tests. + +--- + +## Security Scorecard + +| Category | Status | Notes | +|----------|--------|-------| +| **Crash Safety** | ⚠️ NEEDS WORK | 4+ crash risks from force unwrap / try! | +| **Input Validation** | ⚠️ NEEDS WORK | Missing limits, no sanitization | +| **Secrets Management** | βœ… GOOD | Keychain used correctly | +| **Encryption** | ⚠️ PARTIAL | HTTPS for net, no at-rest encryption | +| **Error Handling** | ⚠️ NEEDS WORK | Silent failures, data leakage in logs | +| **Code Quality** | βœ… GOOD | Well-structured, clear patterns | + +--- + +## GitHub Issues Created + +| # | Title | Severity | +|---|-------|----------| +| [#62](#62) | Crash risk: `try!` in PreviewSampleData.swift | πŸ”΄ CRITICAL | +| [#63](#63) | Crash risk: Force unwrapping in production | 🟠 HIGH | +| [#64](#64) | Input validation missing | 🟑 MEDIUM | +| [#65](#65) | GitHub token storage audit | 🟑 MEDIUM | +| [#66](#66) | CloudKit sync security review | 🟑 MEDIUM | +| [#67](#67) | Sensitive data in logs | 🟑 MEDIUM | +| [#68](#68) | Crash resilience & defensive programming | 🟒 LOW | + +--- + +## Remediation Priority + +### Phase 1 (Immediate) +1. Fix #62 (`try!` crashes) β€” 1 hour +2. Fix #63 (force unwrapping) β€” 2 hours + +### Phase 2 (This Sprint) +3. Fix #67 (logging privacy) β€” 1 hour +4. Fix #64 (input validation) β€” 3-4 hours + +### Phase 3 (Next Sprint) +5. Fix #65 (token security) β€” 2 hours +6. Fix #66 (CloudKit audit) β€” 4-5 hours +7. Fix #68 (defensive programming) β€” 3 hours + +--- + +## Assurance Notes + +βœ… **No Critical Data Leaks Found** +βœ… **Keychain Usage Is Correct** +βœ… **CloudKit Private Database Configured** +βœ… **HTTPS All Network Calls** + +⚠️ **Risk Vectors Identified**: Crash DoS, silent sync failures, input edge cases. + +--- + +## Scanning Methodology + +1. Pattern matching for `try!`, force unwrapping, `print()` statements +2. Keychain, encryption, token storage verification +3. CloudKit configuration and sync patterns +4. Input validation gaps in parsers (regex, JSON) +5. Error handling and logging for sensitive data +6. Code review of critical paths (app init, sync, auth) + +**Tools Used**: grep, ripgrep, Bash analysis +**Scope**: Full codebase (163 files) + +--- + +Generated by Claude Code Security Review +Session: https://claude.ai/code/session_01Ws1Pc8c1N9in8indmmcLrM