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Low 32 Monero

Improve how wallets are renamed. (#3352)

Public commit record

What the developer wrote

Authored by Omar Hatem

76/100 · Adequate
Improve how wallets are renamed. (#3352)

* Improve how wallets are renamed.
affected wallets (Electrum-like) (BTC, LTC, BCH, Doge)

* more improvements
also added Solana, Tron, EVM
✓ Descriptive subject✓ Names a concrete action or component✓ Provides detailed explanatory context✓ Links an issue, advisory, or supporting reference
The short version

What changed, and why it matters

This commit refactors how Cake Wallet renames cryptocurrency wallets. Previously, each wallet type had its own rename code that opened the wallet, copied specific files, and deleted the old directory. The new code centralizes the file-copying logic and makes the process more consistent across Bitcoin-like coins, Litecoin, Bitcoin Cash, Dogecoin, EVM chains, Solana, and Tron. The change appears to be a code-quality and reliability improvement rather than an obvious security fix, but it does address some risky patterns in the old rename implementation—such as deleting the old wallet directory before confirming the new one is valid, and not checking whether the destination wallet already exists.

Recommended action

Treat this as a defensive hardening change. Review the new copyWalletFilesTo and base rename() paths for edge cases: insufficient disk space during recursive copy, partial copy followed by destination directory cleanup, concurrent renames, and permissions errors on the old directory deletion. Ensure automated tests cover rename with wallets containing extra files, identical names, and destination-name collisions. Consider whether the destination-exists check should also apply to the EVM custom rename path, which currently duplicates the logic.

Security signals we found

01

Old rename implementations deleted the source wallet directory after copying only a few known files, risking data loss if new files were present or copy failed partway.

02

New centralized copyWalletFilesTo recursively copies the entire wallet directory and renames the key files, reducing the chance of orphaned wallet data.

03

New code checks whether the destination wallet already exists before copying, preventing accidental or malicious overwrites of an existing wallet.

04

Old code did not short-circuit on identical current/new names; new code does, avoiding unnecessary I/O and potential self-deletion bugs.

05

Old EVM/Solana/Tron renameWalletFiles did not appear to retry or gracefully handle deletion failures; new base implementation logs deletion failures instead of crashing.

06

No explicit security framing by the vendor; commit title and message describe the change as an 'improvement' to wallet renaming.

Risk score

Why this scored 32/100

Our methodology →
Potential impact 8/30
Exploitability 5/25
Stealth signal 4/15
Affected reach 6/15
Confidence 6/10
Evidence quality 3/5
Human-validated context

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