CVE-2018-18928 : Security Advisory and Response

International Components for Unicode (ICU) for C/C++ version 63.1 has a vulnerability due to an integer overflow in the number::impl::DecimalQuantity::toScientificString() function.

Understanding CVE-2018-18928

In this CVE, an integer overflow occurs in a specific function within ICU for C/C++ version 63.1.

What is CVE-2018-18928?

The vulnerability in the i18n/number_decimalquantity.cpp file of ICU for C/C++ version 63.1 results from an integer overflow within the number::impl::DecimalQuantity::toScientificString() function.

The Impact of CVE-2018-18928

The integer overflow issue can potentially lead to security vulnerabilities such as denial of service, data corruption, or even remote code execution.

Technical Details of CVE-2018-18928

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from an integer overflow in the number::impl::DecimalQuantity::toScientificString() function within ICU for C/C++ version 63.1.

Affected Systems and Versions

Affected System: ICU for C/C++ version 63.1
Affected Version: n/a

Exploitation Mechanism

The vulnerability can be exploited by crafting specific inputs that trigger the integer overflow, potentially leading to the execution of malicious code.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor for any unusual activities on the affected systems.
Consider implementing additional security measures to mitigate risks.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Conduct security assessments and audits to identify and address potential weaknesses.
Educate developers and users on secure coding practices and the importance of cybersecurity.
Implement network and system monitoring tools to detect and respond to security incidents.
Stay informed about the latest security threats and best practices in cybersecurity.

Patching and Updates

Ensure that the ICU for C/C++ version 63.1 is updated with the latest patches and fixes to address the integer overflow vulnerability.