CVE-2019-3956 Explained : Impact and Mitigation

CVE-2019-3956 was published on June 7, 2019, by Tenable. It affects Solarwinds Dameware Remote Mini Controller versions prior to 12.1.0.34.

Understanding CVE-2019-3956

This CVE identifies a vulnerability in Dameware Remote Mini Control that could lead to an unauthenticated remote buffer over-read.

What is CVE-2019-3956?

The vulnerability in Dameware Remote Mini Control version 12.1.0.34 and earlier allows for an unauthenticated remote buffer over-read due to improper validation during key negotiation.

The Impact of CVE-2019-3956

The vulnerability could result in application crashes or the leakage of sensitive information.

Technical Details of CVE-2019-3956

Dameware Remote Mini Control version 12.1.0.34 and prior are susceptible to this vulnerability.

Vulnerability Description

An unauthenticated remote buffer over-read can occur due to the server's failure to validate CltDHPubKeyLen during key negotiation.

Affected Systems and Versions

Product: Solarwinds Dameware Remote Mini Controller
Versions Affected: All versions prior to 12.1.0.34

Exploitation Mechanism

The vulnerability allows attackers to trigger a buffer over-read remotely, potentially leading to application crashes or data exposure.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Update Dameware Remote Mini Control to version 12.1.0.34 or later.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update software and firmware to patch known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Ensure that all systems running Dameware Remote Mini Control are updated to version 12.1.0.34 or above to mitigate the risk of exploitation.