CVE-2018-11687 : Vulnerability Insights and Analysis
Learn about CVE-2018-11687, an integer overflow vulnerability in Bitcoin Red (BTCR) smart contract, allowing unauthorized asset increase. Find mitigation steps and prevention measures.
Bitcoin Red (BTCR) Smart Contract Integer Overflow Vulnerability
Understanding CVE-2018-11687
Bitcoin Red (BTCR) smart contract vulnerability due to integer overflow.
What is CVE-2018-11687?
The distributeBTR function in the BTCR smart contract has an integer overflow vulnerability, allowing the contract owner to increase digital assets illicitly.
The Impact of CVE-2018-11687
- Exploited in May 2018, enabling unauthorized asset increase
- Known as the "ownerUnderflow" problem
Technical Details of CVE-2018-11687
Bitcoin Red (BTCR) smart contract vulnerability details.
Vulnerability Description
- Integer overflow in distributeBTR function
- Enables unauthorized asset increase
Affected Systems and Versions
- Product: Bitcoin Red (BTCR)
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
- Owner supplies large address[] array to increase assets
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2018-11687 vulnerability.
Immediate Steps to Take
- Audit and update smart contract code
- Implement input validation to prevent integer overflows
Long-Term Security Practices
- Regular security audits of smart contracts
- Stay informed about common vulnerabilities in smart contracts
Patching and Updates
- Apply patches and updates to address vulnerabilities