CVE-2019-10901 Explained : Impact and Mitigation

Wireshark versions 2.4.0 to 2.4.13, 2.6.0 to 2.6.7, and 3.0.0 were affected by a vulnerability in the LDSS dissector, causing crashes. The issue has been resolved by managing file digests properly.

Understanding CVE-2019-10901

This CVE entry addresses a vulnerability in Wireshark versions 2.4.0 to 2.4.13, 2.6.0 to 2.6.7, and 3.0.0 related to the LDSS dissector.

What is CVE-2019-10901?

In Wireshark versions mentioned, the LDSS dissector could crash due to improper handling of file digests in the packet-ldss.c file.

The Impact of CVE-2019-10901

The vulnerability could lead to crashes in Wireshark, potentially causing denial of service or other security issues.

Technical Details of CVE-2019-10901

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The LDSS dissector vulnerability in Wireshark versions 2.4.0 to 2.4.13, 2.6.0 to 2.6.7, and 3.0.0 could result in crashes due to improper file digest management.

Affected Systems and Versions

Wireshark 2.4.0 to 2.4.13
Wireshark 2.6.0 to 2.6.7
Wireshark 3.0.0

Exploitation Mechanism

Attackers could exploit this vulnerability by crafting a malicious network packet that triggers the LDSS dissector, leading to a crash.

Mitigation and Prevention

Protecting systems from CVE-2019-10901 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Wireshark to the latest version to patch the vulnerability.
Monitor network traffic for any suspicious activity that could indicate exploitation.

Long-Term Security Practices

Regularly update software and security patches to prevent known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Ensure that all systems running affected versions of Wireshark are updated with the latest security patches.