CVE-2017-7464 : Exploit Details and Defense Strategies

An analysis uncovered XXE vulnerabilities in the JBoss EAP 7.0 implementation of JAXP for SAX and DOM parsing, potentially leading to DoS, SSRF, or sensitive information disclosure.

Understanding CVE-2017-7464

What is CVE-2017-7464?

CVE-2017-7464 is a vulnerability in JBoss EAP 7.0 that allows attackers to exploit XXE vulnerabilities in XML parsing, leading to various security risks.

The Impact of CVE-2017-7464

Exploiting this vulnerability could result in Denial of Service (DoS), Server-Side Request Forgery (SSRF), or disclosure of sensitive information.

Technical Details of CVE-2017-7464

Vulnerability Description

The vulnerability lies in the JBoss EAP 7.0 implementation of JAXP for SAX and DOM parsing, allowing attackers to supply malicious XML content for parsing.

Affected Systems and Versions

Product: JBoss
Vendor: [UNKNOWN]
Versions affected: JBoss EAP 7.0

Exploitation Mechanism

Attack Complexity: HIGH
Attack Vector: NETWORK
Availability Impact: HIGH
Confidentiality Impact: HIGH
Privileges Required: NONE
Scope: CHANGED
Vector String: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:H

Mitigation and Prevention

Immediate Steps to Take

Apply vendor patches and updates promptly.
Restrict network access to vulnerable systems.
Monitor and filter XML content to prevent malicious input.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.
Conduct security assessments and audits to identify and mitigate risks.

Patching and Updates

Regularly check for security advisories and updates from the vendor to apply patches and secure the system.