CVE-2018-11416 Explained : Impact and Mitigation

JPEGoptim 1.4.5 vulnerability allows remote attackers to trigger a denial of service condition. The issue is resolved in version 1.4.6.

Understanding CVE-2018-11416

JPEGoptim 1.4.5 vulnerability due to incorrect usage of realloc() and free() functions in jpegoptim.c.

What is CVE-2018-11416?

JPEGoptim 1.4.5 vulnerability allows malicious actors to exploit realloc() and free() functions, leading to a denial of service condition.

The Impact of CVE-2018-11416

Remote attackers can cause a denial of service, potentially crashing the application.
Other unspecified consequences may also occur.

Technical Details of CVE-2018-11416

JPEGoptim 1.4.5 vulnerability details and affected systems.

Vulnerability Description

JPEGoptim 1.4.5 in jpegoptim.c has an invalid use of realloc() and free(), enabling remote attackers to trigger a denial of service or other impacts.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: 1.4.5 (affected), 1.4.6 (fixed)

Exploitation Mechanism

Attackers exploit realloc() and free() functions in jpegoptim.c to cause a denial of service.

Mitigation and Prevention

Steps to mitigate and prevent CVE-2018-11416.

Immediate Steps to Take

Update to version 1.4.6 to address the vulnerability.
Monitor for any unusual application crashes.

Long-Term Security Practices

Regularly update software to the latest versions.
Implement secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Apply patches and updates promptly to ensure system security.