CVE-2019-9187 : Vulnerability Insights and Analysis

Versions of ikiwiki prior to 3.20170111.1 and 3.2018x, as well as 3.2019x preceding 3.20190228, are susceptible to a Server-Side Request Forgery (SSRF) vulnerability through the use of the aggregate plugin. This vulnerability could potentially allow an attacker to read local files by exploiting file: URIs.

Understanding CVE-2019-9187

This CVE identifies a vulnerability in ikiwiki that could lead to SSRF attacks.

What is CVE-2019-9187?

CVE-2019-9187 is a Server-Side Request Forgery (SSRF) vulnerability found in ikiwiki versions before 3.20170111.1 and 3.2018x, as well as 3.2019x before 3.20190228. The flaw exists in the aggregate plugin, enabling attackers to potentially access local files using file: URIs.

The Impact of CVE-2019-9187

The vulnerability allows malicious actors to perform SSRF attacks, leading to unauthorized access to local files through the exploitation of file: URIs.

Technical Details of CVE-2019-9187

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The SSRF vulnerability in ikiwiki versions before 3.20170111.1 and 3.2018x, as well as 3.2019x before 3.20190228, allows attackers to read local files by misusing the aggregate plugin.

Affected Systems and Versions

Versions of ikiwiki before 3.20170111.1
Versions of ikiwiki 3.2018x
Versions of ikiwiki 3.2019x before 3.20190228

Exploitation Mechanism

Attackers exploit the aggregate plugin in ikiwiki to trigger SSRF attacks, gaining unauthorized access to local files using file: URIs.

Mitigation and Prevention

Protecting systems from CVE-2019-9187 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update ikiwiki to versions 3.20170111.1, 3.2018x, or 3.2019x after 3.20190228 to mitigate the vulnerability.
Implement network controls to restrict access to potentially vulnerable services.

Long-Term Security Practices

Regularly monitor and audit network traffic for suspicious activities.
Educate users on the risks of SSRF attacks and best practices for secure coding.

Patching and Updates

Apply patches provided by ikiwiki promptly to address the SSRF vulnerability and enhance system security.