CVE-2018-1000088 : Security Advisory and Response
Learn about CVE-2018-1000088 affecting Doorkeeper versions 2.1.0 to 4.2.5. Understand the XSS vulnerability allowing malicious code execution and how to mitigate the risk by updating to versions 4.2.6 or 4.3.0.
Versions of Doorkeeper from 2.1.0 to 4.2.5 have a Cross Site Scripting (XSS) vulnerability that allows for executing malicious code through a Stored XSS attack. The vulnerability affects users interacting with the OAuth Client's name in the web view.
Understanding CVE-2018-1000088
This CVE involves a security weakness in Doorkeeper versions 2.1.0 to 4.2.5 that enables a Stored XSS attack through the OAuth app form and user authorization prompt web view.
What is CVE-2018-1000088?
- Doorkeeper versions 2.1.0 to 4.2.5 are susceptible to Cross Site Scripting (XSS) in the web view's OAuth app form and user authorization prompt web view.
- The vulnerability allows for executing malicious code through a Stored XSS attack when interacting with the OAuth Client's name.
The Impact of CVE-2018-1000088
- Malicious code execution is possible through a Stored XSS attack, affecting users interacting with the OAuth Client's name.
- Exploiting the vulnerability requires deceiving the victim into clicking on a disguised link that leads to the web view where the XSS payload is executed.
Technical Details of CVE-2018-1000088
Doorkeeper version 2.1.0 through 4.2.5 contains a Cross Site Scripting (XSS) vulnerability in the web view's OAuth app form and user authorization prompt web view.
Vulnerability Description
- The vulnerability allows for executing a Stored XSS attack on the OAuth Client's name, leading to the execution of malicious payloads.
Affected Systems and Versions
- Versions affected: 2.1.0 to 4.2.5
Exploitation Mechanism
- To exploit, the victim must be tricked into clicking on a disguised link that appears normal but runs the XSS payload.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Upgrade Doorkeeper to versions 4.2.6 or 4.3.0 to mitigate the vulnerability.
- Educate users to be cautious of clicking on suspicious links.
Long-Term Security Practices
- Regularly update software to the latest versions to ensure security patches are applied.
- Implement security training for users to recognize and avoid social engineering attacks.
Patching and Updates
- The vulnerability has been resolved in versions 4.2.6 and 4.3.0, so updating to these versions is recommended.