CVE-2021-46487 : Vulnerability Insights and Analysis

Jsish v3.5.0 contains a SEGV vulnerability via /lib/x86_64-linux-gnu/libc.so.6+0x18e506, leading to a Denial of Service (DoS).

Understanding CVE-2021-46487

Jsish software version 3.5.0 has a critical vulnerability that allows attackers to trigger a Denial of Service (DoS) attack.

What is CVE-2021-46487?

Jsish v3.5.0 was found to have a SEGV vulnerability through /lib/x86_64-linux-gnu/libc.so.6+0x18e506, posing a risk of DoS.

The Impact of CVE-2021-46487

This vulnerability could be exploited by attackers to disrupt the availability of systems running Jsish, potentially leading to service downtime.

Technical Details of CVE-2021-46487

Jsish v3.5.0's vulnerability is described in detail below.

Vulnerability Description

The vulnerability in Jsish v3.5.0 allows attackers to execute a SEGV vulnerability through /lib/x86_64-linux-gnu/libc.so.6+0x18e506, enabling DoS attacks.

Affected Systems and Versions

Product: Jsish
Vendor: N/A
Version: v3.5.0

Exploitation Mechanism

Attackers can exploit this vulnerability by triggering the SEGV issue in Jsish v3.5.0 via /lib/x86_64-linux-gnu/libc.so.6+0x18e506, causing a DoS situation.

Mitigation and Prevention

Steps to address and prevent the CVE-2021-46487 vulnerability are outlined below.

Immediate Steps to Take

Update Jsish to a patched version to mitigate the vulnerability.
Implement proper access controls and monitoring to detect potential DoS attempts.

Long-Term Security Practices

Regularly monitor security mailing lists for Jsish updates and security patches.
Conduct regular security assessments to identify and address vulnerabilities proactively.

Patching and Updates

Apply security patches promptly to Jsish software to address the CVE-2021-46487 vulnerability.