CVE-2019-1010171 Explained : Impact and Mitigation

CVE-2019-1010171 pertains to a nullpointer dereference vulnerability in Jsish version 2.4.83, specifically version 2.0483, which can lead to a denial of service. The issue has been resolved in version 2.4.84.

Understanding CVE-2019-1010171

This CVE identifies a vulnerability in Jsish version 2.4.83 that could result in a denial of service due to a nullpointer dereference.

What is CVE-2019-1010171?

The vulnerability in Jsish version 2.4.83, particularly version 2.0483, allows for a nullpointer dereference, potentially leading to a denial of service. The affected component is the function jsi_DumpFunctions in the jsiEval.c file.

The Impact of CVE-2019-1010171

The vulnerability can be exploited by executing specially crafted javascript code, posing a risk of denial of service. The issue has been addressed in version 2.4.84.

Technical Details of CVE-2019-1010171

CVE-2019-1010171 involves the following technical aspects:

Vulnerability Description

The vulnerability is a nullpointer dereference in Jsish version 2.4.83, specifically version 2.0483, affecting the function jsi_DumpFunctions.

Affected Systems and Versions

Product: Jsi
Vendor: Jsish
Vulnerable Versions: 2.4.83, 2.0483
Fixed Version: 2.4.84

Exploitation Mechanism

The vulnerability can be exploited by executing specially crafted javascript code, targeting the jsi_DumpFunctions function.

Mitigation and Prevention

To address CVE-2019-1010171, consider the following steps:

Immediate Steps to Take

Update Jsish to version 2.4.84 to mitigate the vulnerability.
Monitor for any unusual activities that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update software and components to the latest versions.
Implement code reviews and security testing to identify vulnerabilities early.

Patching and Updates

Apply patches and updates provided by Jsish promptly to ensure the security of the system.