CVE-2022-43570 : What You Need to Know
Learn about CVE-2022-43570, a high-severity vulnerability in Splunk Enterprise allowing XML external entity injection. Understand impact, technical details, and mitigation steps.
This CVE-2022-43570 article provides an in-depth analysis of a security vulnerability affecting Splunk Enterprise versions below 8.1.12, 8.2.9, and 9.0.2. Learn about the impact, technical details, and mitigation steps related to this CVE.
Understanding CVE-2022-43570
CVE-2022-43570 is a security vulnerability identified in Splunk Enterprise that allows an authenticated user to execute an XML external entity (XXE) injection via a custom View. This injection leads to incorrect document embedding in Splunk Web errors.
What is CVE-2022-43570?
In Splunk Enterprise versions below 8.1.12, 8.2.9, and 9.0.2, an authenticated user can perform an extensible markup language (XML) external entity (XXE) injection through a custom View, resulting in the embedding of incorrect documents into an error within Splunk Web.
The Impact of CVE-2022-43570
The vulnerability poses a high risk, with a CVSS v3.1 base score of 8.8 (High). It has a low attack complexity, impacts confidentiality, integrity, and availability of the system, and requires low privileges for exploitation. The attack vector is via the network, requiring no user interaction.
Technical Details of CVE-2022-43570
Vulnerability Description
The CVE-2022-43570 vulnerability involves an XML external entity (XXE) injection that can be triggered by an authenticated user via a custom View, causing incorrect document embedding in error messages within Splunk Web.
Affected Systems and Versions
Splunk Enterprise versions 8.1.12, 8.2.9, and 9.0.2 are affected by this vulnerability.
Exploitation Mechanism
An attacker with authenticated access can exploit this vulnerability by injecting external entities through a custom View in Splunk Enterprise.
Mitigation and Prevention
Immediate Steps to Take
To mitigate the CVE-2022-43570 vulnerability, users are advised to update their Splunk Enterprise installations to versions that are not affected by the XXE injection issue.
Long-Term Security Practices
In the long term, it is essential to stay updated on security advisories and promptly apply security patches to prevent exploitation of known vulnerabilities.
Patching and Updates
Users should regularly check for security updates and apply patches released by Splunk to address security vulnerabilities and enhance system security.