CVE-2019-6986 Explained : Impact and Mitigation

Vulnerability in VIVO Vitro v1.10.0 allows remote attackers to execute unauthorized SPARQL queries, leading to denial of service (DoS) due to regular expression denial of service (ReDoS).

Understanding CVE-2019-6986

VIVO Vitro v1.10.0 is vulnerable to a SPARQL Injection flaw that can be exploited by attackers to execute unauthorized queries.

What is CVE-2019-6986?

This CVE refers to a vulnerability in VIVO Vitro v1.10.0 that enables remote attackers to perform unauthorized SPARQL queries through the uri parameter, potentially resulting in a denial of service (DoS) due to regular expression denial of service (ReDoS).

The Impact of CVE-2019-6986

The exploitation of this vulnerability can lead to a denial of service (DoS) condition, impacting the availability of the affected system.

Technical Details of CVE-2019-6986

Vulnerability in VIVO Vitro v1.10.0

Vulnerability Description

SPARQL Injection vulnerability in VIVO Vitro v1.10.0
Allows remote attackers to execute unauthorized SPARQL queries
Can result in denial of service (DoS) due to ReDoS

Affected Systems and Versions

Vendor: n/a
Product: n/a
Version: n/a

Exploitation Mechanism

Attackers manipulate the FILTER%20regex within a /individual?uri= request

Mitigation and Prevention

Immediate Steps to Take

Implement input validation to sanitize user-supplied data
Regularly monitor and analyze SPARQL queries for suspicious patterns
Apply security patches and updates promptly Long-Term Security Practices
Conduct regular security training for developers on secure coding practices
Employ web application firewalls to detect and block malicious SPARQL queries
Keep abreast of security advisories and best practices
Patching and Updates
Apply the latest patches and updates provided by the vendor to address the vulnerability