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πŸ›‘οΈ Sentinel: [MEDIUM] Enforce input length limits on dunning parameters - #240

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d0linger wants to merge 2 commits into
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dunning-param-input-limits-17296777494911907299
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d0linger wants to merge 2 commits into
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dunning-param-input-limits-17296777494911907299

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@d0linger

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🚨 Severity: MEDIUM
πŸ’‘ Vulnerability: Potential CPU/memory exhaustion (DoS) via oversized year or stufe form parameters in dunning handlers.
🎯 Impact: Attackers submitting massive payload strings to dunning endpoints could trigger excessive string allocations.
πŸ”§ Fix: Capped raw string input lengths of year and stufe parameters at 50 characters in dunningYearParam and dunningStageParam before integer parsing.
βœ… Verification: Added unit test cases for oversized year and stufe inputs in internal/server/dunning_test.go and internal/server/web_audit_test.go. Ran go test ./....


PR created automatically by Jules for task 17296777494911907299 started by @d0linger

Co-authored-by: d0linger <61334677+d0linger@users.noreply.github.com>
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Co-authored-by: d0linger <61334677+d0linger@users.noreply.github.com>
d0linger added a commit that referenced this pull request Oct 22, 2026
Apply input hardening from PRs #240-243, #247-248 and #250, consolidate
duplicate proposals, and adapt validation to the new accounting presets.
Update the matched browser packages/image and patched Go toolchains from
PRs #244-246 and #249 while preserving correct image digests.

Require passkey authentication when policy forbids password-only sign-in,
serialize signature changes with the open account/invoice boundary, and
keep audit verification consistent with concurrent sealing and pruning.
Reject overflowing form integers and add regression coverage.

Validate with the pinned linter, vet, dead-code and vulnerability scans,
PostgreSQL 16/18 race and integration suites, 208 browser tests and
40 existing screenshot baselines.
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Superseded by #251

@d0linger d0linger closed this Oct 23, 2026
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Superseded by #251

Understood. Acknowledging that this PR has been superseded by #251 and stopping work on this task.

@d0linger
d0linger deleted the dunning-param-input-limits-17296777494911907299 branch October 26, 2026 18:33
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