Description
An XML External Entity (XXE) vulnerability exists in the Ambari/Oozie
project, allowing an attacker to inject malicious XML entities. This
vulnerability occurs due to insecure parsing of XML input using the
`DocumentBuilderFactory` class without disabling external entity
resolution. An attacker can exploit this vulnerability to read arbitrary
files on the server or perform server-side request forgery (SSRF)
attacks. The issue has been fixed in both Ambari 2.7.9 and the trunk
branch.
Understanding This Vulnerability
This Common Vulnerabilities and Exposures (CVE) entry provides detailed information about a security vulnerability that has been publicly disclosed. CVEs are standardized identifiers assigned by MITRE Corporation to track and catalog security vulnerabilities across software and hardware products.
The severity rating (UNKNOWN) indicates the potential impact of this vulnerability based on the CVSS (Common Vulnerability Scoring System) framework. Higher severity ratings typically indicate vulnerabilities that could lead to more significant security breaches if exploited. Security teams should prioritize remediation efforts based on severity, exploit availability, and the EPSS (Exploit Prediction Scoring System) score, which predicts the likelihood of exploitation in the wild.
If this vulnerability affects products or systems in your infrastructure, we recommend reviewing the affected products section, checking for available patches or updates from vendors, and implementing recommended workarounds or solutions until a permanent fix is available. Organizations should also monitor security advisories and threat intelligence feeds for updates about active exploitation of this vulnerability.