CVE-2017-18109 : Exploit Details and Defense Strategies

Atlassian Crowd before version 3.0.2 and from version 3.1.0 before 3.1.1 allows remote attackers to redirect users to a different website, potentially enabling phishing attacks through an open redirect.

Understanding CVE-2017-18109

This CVE involves a vulnerability in Atlassian Crowd that can be exploited by remote attackers.

What is CVE-2017-18109?

The vulnerability in Atlassian Crowd's login resource allows attackers to redirect users to an alternate website, facilitating phishing attacks through an open redirect.

The Impact of CVE-2017-18109

Remote attackers can exploit the vulnerability to redirect users to malicious websites.
This can lead to phishing attacks through open redirects.

Technical Details of CVE-2017-18109

This section provides technical details of the CVE.

Vulnerability Description

Attackers can abuse the login resource in Atlassian Crowd to redirect users to unauthorized sites.

Affected Systems and Versions

Product: Atlassian Crowd
Versions Affected:
Less than 3.0.2
3.1.0
Less than 3.1.1

Exploitation Mechanism

Attackers exploit the vulnerability in the login resource to redirect users to malicious websites.

Mitigation and Prevention

Protect your systems from CVE-2017-18109 with these mitigation strategies.

Immediate Steps to Take

Update Atlassian Crowd to version 3.0.2 or higher.
Be cautious of unexpected redirects on login pages.

Long-Term Security Practices

Regularly monitor and update security patches.
Educate users about phishing attacks and the importance of verifying URLs.

Patching and Updates

Apply security patches promptly to prevent exploitation of vulnerabilities.