CVE-2018-10921 Explained : Impact and Mitigation

This CVE-2018-10921 article provides insights into a vulnerability in ttembed that could lead to file corruption due to an integer overflow issue.

Understanding CVE-2018-10921

This CVE-2018-10921 vulnerability affects ttembed, potentially causing file corruption due to unchecked return codes of fgetc/fputc function calls.

What is CVE-2018-10921?

The vulnerability in ttembed can result in an integer overflow during input file processing, leading to potential file corruption.

The Impact of CVE-2018-10921

The impact of CVE-2018-10921 is rated as MEDIUM severity with a CVSS base score of 4.3. It requires user interaction and has low integrity impact.

Technical Details of CVE-2018-10921

Vulnerability Description

The vulnerability arises from an integer overflow in ttembed, potentially causing file corruption due to unchecked return codes of fgetc/fputc function calls.

Affected Systems and Versions

Product: ttembed
Vendor: [UNKNOWN]
Version: n/a

Exploitation Mechanism

The vulnerability can be exploited under certain conditions where input file processing triggers an integer overflow, leading to file corruption.

Mitigation and Prevention

Immediate Steps to Take

Monitor vendor updates for patches addressing the integer overflow issue.
Avoid processing untrusted input files using ttembed until a patch is available.

Long-Term Security Practices

Implement secure coding practices to prevent integer overflow vulnerabilities.
Regularly update and patch software to mitigate potential security risks.

Patching and Updates

Apply patches provided by the vendor to address the integer overflow vulnerability in ttembed.