CVE-2019-5977 : Vulnerability Insights and Analysis

Cybozu Garoon versions 4.0.0 to 4.10.2 have a vulnerability related to mail header injection that could be exploited by remote authenticated attackers.

Understanding CVE-2019-5977

This CVE involves a vulnerability in Cybozu Garoon versions 4.0.0 to 4.10.2 that allows remote authenticated attackers to modify mail headers through the 'E-Mail' application.

What is CVE-2019-5977?

CVE-2019-5977 is a mail header injection vulnerability in Cybozu Garoon versions 4.0.0 to 4.10.2, which could be leveraged by remote authenticated attackers to tamper with mail headers.

The Impact of CVE-2019-5977

The vulnerability poses a risk of unauthorized modification of mail headers by attackers with remote authenticated access, potentially leading to various security breaches.

Technical Details of CVE-2019-5977

This section provides detailed technical insights into the CVE.

Vulnerability Description

The vulnerability involves improper neutralization of special elements in output used by a downstream component, specifically related to mail header injection in Cybozu Garoon.

Affected Systems and Versions

Product: Cybozu Garoon
Vendor: Inc.
Versions Affected: 4.0.0 to 4.10.2

Exploitation Mechanism

The vulnerability can be exploited by remote authenticated attackers through the 'E-Mail' application to manipulate mail headers.

Mitigation and Prevention

Protect your systems from CVE-2019-5977 with the following steps:

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Monitor for any unauthorized mail header modifications.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Implement access controls to limit the impact of potential attacks.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the risk of exploitation.