CVE-2021-29099 : Exploit Details and Defense Strategies

A SQL injection vulnerability has been identified in certain configurations of Esri's ArcGIS Server versions 10.8.1 and earlier. Malicious web requests can potentially expose sensitive information not intended for disclosure. However, web services utilizing file-based data sources remain unaffected by this security issue.

Understanding CVE-2021-29099

This section will provide an in-depth analysis of the SQL injection vulnerability present in ArcGIS Server.

What is CVE-2021-29099?

The CVE-2021-29099 vulnerability involves a SQL injection exploit within ArcGIS Server versions 10.8.1 and below, allowing unauthorized access to sensitive data.

The Impact of CVE-2021-29099

The vulnerability poses a medium severity risk, potentially leading to unauthorized access and disclosure of confidential data. Although the attack complexity is low, it can have significant implications if exploited.

Technical Details of CVE-2021-29099

Here, we will delve into the specific technical aspects of the CVE-2021-29099 vulnerability.

Vulnerability Description

The SQL injection flaw in ArcGIS Server versions 10.8.1 and earlier enables threat actors to manipulate SQL queries, exposing confidential information stored within the database.

Affected Systems and Versions

ArcGIS Server versions prior to 10.8.1 are susceptible to this vulnerability. Specifically, the x64 platform is affected by this security issue.

Exploitation Mechanism

By exploiting this vulnerability, attackers can craft malicious web requests to inject SQL code, potentially gaining unauthorized access to sensitive data.

Mitigation and Prevention

This section will outline the necessary steps to mitigate the risks associated with CVE-2021-29099.

Immediate Steps to Take

It is crucial to update ArcGIS Server to version 10.9.0 or above to patch the SQL injection vulnerability and enhance system security.

Long-Term Security Practices

Implementing robust input validation mechanisms and conducting regular security audits can help prevent SQL injection attacks and enhance overall cybersecurity.

Patching and Updates

Regularly applying security patches released by Esri and staying informed about the latest security advisories is essential to protect your system from potential vulnerabilities.