CVE-2019-1010169 : Exploit Details and Defense Strategies

Jsish version 2.4.77 (also known as 2.0477) has an 'Out-of-bounds Read' vulnerability in the lexer_getchar function, potentially leading to a denial of service when exploited by specially crafted JavaScript code. A fixed version, 2.4.78, has been released.

Understanding CVE-2019-1010169

This CVE identifies a specific vulnerability in Jsish version 2.4.77 (2.0477) that can be exploited to cause a denial of service.

What is CVE-2019-1010169?

CVE-2019-1010169 is an 'Out-of-bounds Read' vulnerability in Jsish version 2.4.77, impacting the lexer_getchar function.

The Impact of CVE-2019-1010169

The vulnerability can result in a denial of service when maliciously crafted JavaScript code is executed.

Technical Details of CVE-2019-1010169

Jsish version 2.4.77 is affected by the following:

Vulnerability Description

Type: Out-of-bounds Read
Component: lexer_getchar in jsiLexer.c at line 9
Attack Vector: Executing crafted JavaScript code

Affected Systems and Versions

Product: Jsi
Vendor: Jsish
Vulnerable Versions: 2.4.77, 2.0477
Fixed Version: 2.4.78

Exploitation Mechanism

The vulnerability can be exploited by executing specially crafted JavaScript code.

Mitigation and Prevention

It is crucial to take immediate steps and implement long-term security practices to mitigate the risks associated with CVE-2019-1010169.

Immediate Steps to Take

Update Jsish to the fixed version 2.4.78 to address the vulnerability.
Monitor and restrict execution of potentially harmful JavaScript code.

Long-Term Security Practices

Regularly update software and apply security patches.
Conduct security audits and code reviews to identify and address vulnerabilities.

Patching and Updates

Ensure timely installation of patches and updates to prevent exploitation of known vulnerabilities.