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CVE-2019-12822 : Vulnerability Insights and Analysis

Discover the impact of CVE-2019-12822, a vulnerability in Embedthis GoAhead versions before 4.1.1 and 5.x before 5.0.1, potentially leading to a Denial of Service (DoS) attack. Learn about affected systems, exploitation mechanisms, and mitigation steps.

This CVE-2019-12822 article provides insights into a vulnerability in Embedthis GoAhead versions before 4.1.1 and 5.x before 5.0.1, potentially leading to a Denial of Service (DoS) attack.

Understanding CVE-2019-12822

This CVE involves a vulnerability in the http.c file of Embedthis GoAhead, impacting the parsing of headers and potentially resulting in memory assertion issues and DoS attacks.

What is CVE-2019-12822?

The vulnerability in Embedthis GoAhead versions before 4.1.1 and 5.x before 5.0.1 allows for a memory assertion, out-of-bounds memory reference, and potential DoS attack, triggered by specific header parsing.

The Impact of CVE-2019-12822

The vulnerability can lead to a Denial of Service (DoS) attack, causing service disruption and potential system unavailability.

Technical Details of CVE-2019-12822

Vulnerability Description

The issue arises from a header parsing vulnerability in the http.c file of Embedthis GoAhead, potentially resulting in memory assertion problems and DoS risks.

Affected Systems and Versions

        Embedthis GoAhead versions before 4.1.1
        Embedthis GoAhead 5.x before 5.0.1

Exploitation Mechanism

The vulnerability can be exploited by inserting a line containing only a colon symbol, triggering the memory assertion and potential DoS attack.

Mitigation and Prevention

Immediate Steps to Take

        Update Embedthis GoAhead to version 4.1.1 or 5.0.1 to mitigate the vulnerability.
        Monitor network traffic for any suspicious activities that could indicate an ongoing attack.

Long-Term Security Practices

        Regularly update software and apply security patches to prevent known vulnerabilities.
        Implement network intrusion detection systems to identify and respond to potential threats.

Patching and Updates

Ensure timely installation of security patches and updates for Embedthis GoAhead to address known vulnerabilities.

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