CVE-2017-18110 : What You Need to Know
Learn about CVE-2017-18110 affecting Atlassian Crowd. Discover how remote attackers can access file system data through an XXE vulnerability and how to mitigate the risk.
Atlassian Crowd before 3.0.2 and between 3.1.0 and 3.1.1 allows remote attackers to access file system data through an XXE vulnerability.
Understanding CVE-2017-18110
A vulnerability in Atlassian Crowd enables remote attackers to compromise the administration backup restore feature.
What is CVE-2017-18110?
The vulnerability in Atlassian Crowd allows remote attackers to read files from the filesystem via an XXE vulnerability.
The Impact of CVE-2017-18110
- Remote attackers can access file system data
- Compromises the administration backup restore feature
Technical Details of CVE-2017-18110
Atlassian Crowd vulnerability details
Vulnerability Description
- XXE vulnerability in Atlassian Crowd
- Allows remote file system access
Affected Systems and Versions
- Product: Crowd
- Vendor: Atlassian
- Versions affected:
- Crowd < 3.0.2
- Crowd >= 3.1.0 and < 3.1.1
Exploitation Mechanism
- Remote attackers exploit XXE vulnerability
Mitigation and Prevention
Protecting against CVE-2017-18110
Immediate Steps to Take
- Update Atlassian Crowd to version 3.0.2 or above
- Apply security patches provided by Atlassian
Long-Term Security Practices
- Regularly update software and security patches
- Implement network segmentation and access controls
Patching and Updates
- Atlassian has released patches to address the vulnerability