CVE-2018-19540 : What You Need to Know

JasPer versions 1.900.8 to 2.0.16 are affected by a heap-based buffer overflow vulnerability in the function jas_icctxtdesc_input in the libjasper/base/jas_icc.c file.

Understanding CVE-2018-19540

This CVE entry describes a specific vulnerability in the JasPer software library.

What is CVE-2018-19540?

The vulnerability in JasPer versions 1.900.8 to 2.0.16 involves a heap-based buffer overflow of size 1 in the function jas_icctxtdesc_input in libjasper/base/jas_icc.c.

The Impact of CVE-2018-19540

The vulnerability could potentially allow an attacker to execute arbitrary code or cause a denial of service by crashing the application.

Technical Details of CVE-2018-19540

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability is a heap-based buffer overflow of size 1 in the function jas_icctxtdesc_input in libjasper/base/jas_icc.c.

Affected Systems and Versions

JasPer versions 1.900.8 to 2.0.16

Exploitation Mechanism

Attackers can exploit this vulnerability to trigger the buffer overflow, potentially leading to code execution or denial of service.

Mitigation and Prevention

Protecting systems from CVE-2018-19540 is crucial to maintaining security.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor security advisories for updates and mitigation strategies.

Long-Term Security Practices

Regularly update software and libraries to patched versions.
Implement secure coding practices to prevent buffer overflows.

Patching and Updates

Ensure all JasPer software versions are updated to versions that address the vulnerability.