CVE-2017-6080 : What You Need to Know
Discover the impact of CVE-2017-6080, a vulnerability in Zammad versions prior to 1.0.4, 1.1.x prior to 1.1.3, and 1.2.x prior to 1.2.1, allowing attackers to exploit missing protective mechanisms in HTTP Access-Control headers.
A vulnerability has been found in Zammad versions prior to 1.0.4, 1.1.x prior to 1.1.3, and 1.2.x prior to 1.2.1, allowing attackers to exploit a missing protective mechanism related to HTTP Access-Control headers.
Understanding CVE-2017-6080
This CVE identifies a security vulnerability in Zammad versions that could be exploited by attackers to send cross-domain requests directly to the REST API using a valid session cookie.
What is CVE-2017-6080?
The vulnerability in Zammad versions prior to 1.0.4, 1.1.x prior to 1.1.3, and 1.2.x prior to 1.2.1 arises from the absence of a protective mechanism involving HTTP Access-Control headers. This flaw allows attackers to perform unauthorized actions by sending requests to the REST API.
The Impact of CVE-2017-6080
This vulnerability enables attackers to bypass security measures and access sensitive information or perform malicious actions within affected Zammad versions.
Technical Details of CVE-2017-6080
CVE-2017-6080 involves the following technical aspects:
Vulnerability Description
The vulnerability is caused by the lack of a protection mechanism related to HTTP Access-Control headers in Zammad versions prior to 1.0.4, 1.1.x prior to 1.1.3, and 1.2.x prior to 1.2.1.
Affected Systems and Versions
- Zammad versions prior to 1.0.4
- Zammad 1.1.x versions prior to 1.1.3
- Zammad 1.2.x versions prior to 1.2.1
Exploitation Mechanism
Attackers can exploit this vulnerability by sending cross-domain requests directly to the REST API using a valid session cookie, allowing them to retrieve sensitive information.
Mitigation and Prevention
To address CVE-2017-6080, consider the following mitigation strategies:
Immediate Steps to Take
- Upgrade Zammad to version 1.0.4, 1.1.3, or 1.2.1, which contain fixes for this vulnerability.
- Implement strict session management practices to prevent unauthorized access.
Long-Term Security Practices
- Regularly monitor and audit cross-domain requests to detect suspicious activities.
- Educate users on safe browsing practices and the risks associated with session cookies.
Patching and Updates
- Stay informed about security advisories and updates from Zammad to apply patches promptly and enhance system security.