CVE-2017-7855 : What You Need to Know

A security flaw in the "language" parameter of IceWarp Server 11.3.1.5's webmail feature exposed it to XSS attacks.

Understanding CVE-2017-7855

This CVE involves a vulnerability in IceWarp Server 11.3.1.5 that could be exploited for XSS attacks.

What is CVE-2017-7855?

IceWarp Server 11.3.1.5's webmail component contained a flaw in the "language" parameter, leaving it susceptible to cross-site scripting (XSS) attacks.

The Impact of CVE-2017-7855

The vulnerability could allow attackers to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2017-7855

IceWarp Server 11.3.1.5's webmail component was found to have an XSS vulnerability in the "language" parameter.

Vulnerability Description

The flaw in the "language" parameter of IceWarp Server 11.3.1.5's webmail feature allowed for the injection of malicious scripts, posing a risk of XSS attacks.

Affected Systems and Versions

Product: IceWarp Server 11.3.1.5
Vendor: IceWarp
Version: n/a

Exploitation Mechanism

Attackers could exploit the vulnerability by injecting malicious scripts into the "language" parameter, potentially compromising user sessions.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2017-7855.

Immediate Steps to Take

Disable or restrict access to the affected "language" parameter in IceWarp Server 11.3.1.5.
Monitor web traffic for any suspicious activity that could indicate XSS attempts.

Long-Term Security Practices

Regularly update and patch IceWarp Server to address known vulnerabilities.
Educate users on safe browsing practices and the risks of XSS attacks.

Patching and Updates

Ensure that IceWarp Server is kept up to date with the latest security patches to prevent exploitation of the XSS vulnerability.