CVE-2019-11835 : What You Need to Know

CVE-2019-11835 is a vulnerability found in cJSON versions prior to 1.7.11, allowing out-of-bounds access due to the presence of multiline comments.

Understanding CVE-2019-11835

This CVE identifies a specific security issue in cJSON versions before 1.7.11.

What is CVE-2019-11835?

cJSON before version 1.7.11 is vulnerable to out-of-bounds access, primarily caused by the existence of multiline comments.

The Impact of CVE-2019-11835

The vulnerability could potentially lead to security breaches and unauthorized access to sensitive data within affected systems.

Technical Details of CVE-2019-11835

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The issue arises from the mishandling of multiline comments in cJSON versions prior to 1.7.11, resulting in out-of-bounds access.

Affected Systems and Versions

Product: cJSON
Vendor: N/A
Versions Affected: All versions before 1.7.11

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious inputs that trigger out-of-bounds access through the use of multiline comments.

Mitigation and Prevention

Protecting systems from CVE-2019-11835 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update cJSON to version 1.7.11 or later to mitigate the vulnerability.
Monitor and restrict access to potentially vulnerable systems.

Long-Term Security Practices

Regularly update software and libraries to the latest secure versions.
Implement secure coding practices to prevent similar vulnerabilities in the future.

Patching and Updates

Apply patches and security updates promptly to address known vulnerabilities and enhance system security.