[Bug]: Critical Security Vulnerability: Potential NFT Theft Through Inadequate Title Management and Ownership Verification

[adityajha2005]

Is there an existing issue for this?

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What happened?

A significant vulnerability has been discovered in the DecentradeMarketplace smart contract, which enables malicious actors to alter NFT ownership due to deficiencies in title management and verification processes. The primary concerns are as follows:

Title Manipulation: There is an absence of validation for unique titles during redeployments, which permits the existence of duplicate listings.
Ownership Verification Deficiencies: There are insufficient checks for ownership prior to listing and inadequate validation of operators.
State Management Issues: There is a potential for race conditions, incomplete state cleanup, and a lack of event logging for changes in title.

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[4darsh-Dev]

assigned to you @adityajha2005 ,
propose your changes, and go through contributing guidelines,

[adityajha2005]

@4darsh-Dev I've submitted the PR. Let me know if any adjustments are needed.

[4darsh-Dev]

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[4darsh-Dev]

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