CVE-2018-7247 : Vulnerability Insights and Analysis

A vulnerability was found in prog/htmlviewer.c within Leptonica prior to version 1.75.3, potentially allowing for the execution of arbitrary code due to a buffer overflow.

Understanding CVE-2018-7247

This CVE identifies a specific vulnerability in Leptonica that could lead to severe consequences if exploited.

What is CVE-2018-7247?

CVE-2018-7247 is a buffer overflow vulnerability in Leptonica's prog/htmlviewer.c before version 1.75.3, caused by unsanitized input (rootname), which could permit the execution of arbitrary code.

The Impact of CVE-2018-7247

This vulnerability could result in the execution of arbitrary code or other unspecified consequences, posing a significant security risk to systems running the affected versions of Leptonica.

Technical Details of CVE-2018-7247

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability in prog/htmlviewer.c in Leptonica before version 1.75.3 is due to a buffer overflow caused by unsanitized input (rootname), potentially leading to the execution of arbitrary code.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions Affected: All versions prior to 1.75.3

Exploitation Mechanism

The vulnerability can be exploited by providing specially crafted input to the affected component, triggering the buffer overflow and potentially executing malicious code.

Mitigation and Prevention

Protecting systems from CVE-2018-7247 requires immediate action and long-term security measures.

Immediate Steps to Take

Update Leptonica to version 1.75.3 or later to mitigate the vulnerability.
Implement input validation mechanisms to prevent buffer overflows.

Long-Term Security Practices

Regularly monitor and update software components to address security vulnerabilities promptly.
Conduct security assessments and penetration testing to identify and remediate potential weaknesses.

Patching and Updates

Apply patches and updates provided by Leptonica to address the vulnerability and enhance system security.