CVE-2020-7918 : Security Advisory and Response

An insecure direct object reference in webmail in totemo totemomail 7.0.0 allows an authenticated remote user to read and modify mail folder names of other users via enumeration.

Understanding CVE-2020-7918

This CVE identifies a security vulnerability in totemo totemomail 7.0.0 that enables an authenticated remote user to access and manipulate mail folder names belonging to other users.

What is CVE-2020-7918?

CVE-2020-7918 is an insecure direct object reference vulnerability in the webmail feature of totemo totemomail 7.0.0, allowing unauthorized access to other users' mail folder names.

The Impact of CVE-2020-7918

The vulnerability poses a risk of unauthorized access and modification of sensitive email folder information, potentially leading to privacy breaches and data manipulation.

Technical Details of CVE-2020-7918

This section provides detailed technical information about the CVE.

Vulnerability Description

Type: Insecure Direct Object Reference (IDOR)
Affected Version: totemo totemomail 7.0.0
Attack Vector: Authenticated remote user

Affected Systems and Versions

Product: totemo totemomail
Version: 7.0.0

Exploitation Mechanism

The vulnerability allows an authenticated remote user to exploit the webmail feature to access and modify mail folder names of other users through enumeration.

Mitigation and Prevention

Protecting systems from CVE-2020-7918 requires immediate actions and long-term security practices.

Immediate Steps to Take

Implement access controls to restrict user privileges
Regularly monitor and audit user activities within the webmail system

Long-Term Security Practices

Conduct regular security assessments and penetration testing
Provide security awareness training to users to prevent unauthorized access

Patching and Updates

Apply patches and updates provided by totemo to address the vulnerability and enhance system security