CVE-2020-25848 : Security Advisory and Response

HGiga MailSherlock contains a weak authentication flaw that allows attackers to gain privileges remotely using the default password generation mechanism.

Understanding CVE-2020-25848

This CVE involves a critical vulnerability in HGiga MailSherlock that can lead to high impacts on confidentiality, integrity, and availability.

What is CVE-2020-25848?

CVE-2020-25848 is a vulnerability in HGiga MailSherlock that enables attackers to exploit weak authentication, potentially compromising the system's security.

The Impact of CVE-2020-25848

The vulnerability has a CVSS base score of 9.8, indicating a critical severity level with high impacts on confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2020-25848

This section provides detailed technical information about the vulnerability.

Vulnerability Description

HGiga MailSherlock is affected by a weak authentication flaw that allows attackers to remotely gain privileges through the default password generation mechanism.

Affected Systems and Versions

Product: MailSherlock MSR45/SSR45
Vendor: HGiga
Affected Versions:
iSherlock-base-4.5: < 243
iSherlock-user-4.5: < 114
iSherlock-useradmin-4.5: < 122
iSherlock-audit-4.5: < 143
iSherlock-antispam-4.5: < 130

Exploitation Mechanism

The vulnerability can be exploited remotely with low complexity, requiring no user interaction, and can result in unchanged system scope.

Mitigation and Prevention

To address CVE-2020-25848, follow these mitigation strategies:

Immediate Steps to Take

Update MailSherlock MSR45/SSR45 Module to the specified versions for each platform.

Long-Term Security Practices

Implement strong password policies.
Regularly monitor and audit authentication logs.
Conduct security training for users on best practices.

Patching and Updates

Apply the provided updates to the affected MailSherlock modules to mitigate the vulnerability.