Cloud Defense Logo

Products

Solutions

Company

CVE-2018-20175 : What You Need to Know

Learn about CVE-2018-20175 involving Integer Signedness errors in rdesktop versions up to v1.8.3, leading to Denial of Service vulnerabilities. Find mitigation steps and prevention measures here.

This CVE involves multiple Integer Signedness errors in rdesktop versions up to v1.8.3, leading to Denial of Service (DoS) vulnerabilities.

Understanding CVE-2018-20175

The file mcs.c in rdesktop versions up to v1.8.3 is affected by these vulnerabilities.

What is CVE-2018-20175?

rdesktop versions up to v1.8.3 contain Integer Signedness errors in the file mcs.c, resulting in Out-Of-Bounds Reads and potential Denial of Service (DoS) attacks.

The Impact of CVE-2018-20175

The vulnerabilities can lead to a Denial of Service (DoS) condition, causing the application to crash (segfault) and potentially disrupting services.

Technical Details of CVE-2018-20175

rdesktop versions up to v1.8.3 are susceptible to these Integer Signedness errors.

Vulnerability Description

The file mcs.c in rdesktop versions up to v1.8.3 is affected by multiple Integer Signedness errors, leading to Out-Of-Bounds Reads and a Denial of Service (DoS) condition.

Affected Systems and Versions

        Product: Not applicable
        Vendor: Not applicable
        Versions affected: Up to v1.8.3

Exploitation Mechanism

The vulnerabilities can be exploited by triggering Out-Of-Bounds Reads in the mcs.c file, resulting in a Denial of Service (DoS) attack.

Mitigation and Prevention

Immediate Steps to Take:

        Update rdesktop to a patched version.
        Monitor vendor advisories for security patches. Long-Term Security Practices:
        Regularly update software to the latest versions.
        Implement network segmentation to limit the impact of potential attacks.
        Conduct regular security assessments and audits.
        Educate users on safe computing practices.

Patching and Updates

Ensure that rdesktop is updated to a version that addresses the Integer Signedness errors to mitigate the risk of Denial of Service (DoS) attacks.

Popular CVEs

CVE Id

Published Date

Is your System Free of Underlying Vulnerabilities?
Find Out Now