CVE-2019-20098 : Security Advisory and Response
Learn about CVE-2019-20098, a CSRF vulnerability in Atlassian Jira Server and Data Center before 8.7.0. Find out the impact, affected systems, exploitation method, and mitigation steps.
A security vulnerability in the VerifySmtpServerConnection!add.jspa component of Atlassian Jira Server and Data Center prior to version 8.7.0 allows for cross-site request forgery (CSRF) attacks.
Understanding CVE-2019-20098
This CVE involves a CSRF vulnerability in Atlassian Jira Server and Data Center before version 8.7.0, potentially enabling unauthorized HTTP requests.
What is CVE-2019-20098?
The vulnerability in the VerifySmtpServerConnection!add.jspa component of Atlassian Jira Server and Data Center before version 8.7.0 allows attackers to deceive administrators into executing unauthorized HTTP requests.
The Impact of CVE-2019-20098
Exploiting this CSRF vulnerability could enable attackers to identify hosts and access open ports on the internal network where the Jira server is located.
Technical Details of CVE-2019-20098
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The VerifySmtpServerConnection!add.jspa component in Atlassian Jira Server and Data Center before version 8.7.0 is vulnerable to CSRF attacks.
Affected Systems and Versions
- Product: Jira Server
- Vendor: Atlassian
- Versions Affected: Less than 8.7.0
- Version Type: Custom
Exploitation Mechanism
Attackers can exploit this vulnerability by tricking an administrative user into making malicious HTTP requests, allowing them to enumerate hosts and open ports on the internal network.
Mitigation and Prevention
Protecting systems from CVE-2019-20098 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Upgrade Jira Server and Data Center to version 8.7.0 or higher to mitigate the vulnerability.
- Educate administrators about the risks of CSRF attacks and unauthorized HTTP requests.
Long-Term Security Practices
- Implement strict access controls and authentication mechanisms to prevent unauthorized requests.
- Regularly monitor and audit network traffic for suspicious activities.
Patching and Updates
- Stay informed about security updates and patches released by Atlassian to address vulnerabilities like CVE-2019-20098.