CVE-2023-6002 : Vulnerability Insights and Analysis

This CVE-2023-6002 was assigned by Yugabyte and was published on November 7, 2023. It pertains to a vulnerability in YugabyteDB related to cross-site scripting through log injection.

Understanding CVE-2023-6002

This CVE involves a vulnerability in YugabyteDB that allows for cross-site scripting (XSS) via log injection. This can potentially enable an attacker to manipulate log entries or insert malicious content into logs.

What is CVE-2023-6002?

The CVE-2023-6002 vulnerability in YugabyteDB allows attackers to perform cross-site scripting attacks by injecting content into log files. This can be exploited by writing unvalidated user input to log files, enabling the attacker to manipulate logs for their malicious purposes.

The Impact of CVE-2023-6002

The impact of this vulnerability, categorized under CAPEC-93: Log Injection-Tampering-Forging, is rated as medium severity with a CVSS v3.1 base score of 6.5. The vulnerability allows attackers to tamper with logs, potentially leading to unauthorized activities and data manipulation.

Technical Details of CVE-2023-6002

This section delves into the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in YugabyteDB arises from improper handling of user input in log files, leading to a potential avenue for cross-site scripting attacks. Attackers can inject malicious content into log files, impacting the integrity and confidentiality of the system.

Affected Systems and Versions

YugabyteDB versions 2.0.0.0, 2.14.13.0, 2.16.7.0, and 2.18.3.0 are affected by this vulnerability, while versions 2.14.14.0, 2.16.8.0, and 2.18.4.0 are deemed unaffected.

Exploitation Mechanism

The exploitation of CVE-2023-6002 involves manipulating log files by injecting malicious content. Attackers can abuse this vulnerability to introduce XSS payloads into log entries, potentially compromising system integrity.

Mitigation and Prevention

To address CVE-2023-6002 and enhance system security, specific mitigation and prevention measures can be taken.

Immediate Steps to Take

Immediate steps include validating and sanitizing user input before writing to log files, implementing input filtering mechanisms, and monitoring log files for unusual activities that could indicate malicious log injection attempts.

Long-Term Security Practices

In the long term, adopting secure coding practices, conducting regular security audits, and educating developers and system administrators on log security best practices can help prevent similar vulnerabilities.

Patching and Updates

Ensuring YugabyteDB is updated to the latest unaffected versions, implementing security patches provided by Yugabyte, and staying informed about security advisories are crucial steps in safeguarding systems against CVE-2023-6002 and similar vulnerabilities.