CVE-2017-7464

Impact:
Moderate
Public Date:
2017-05-11
CWE:
CWE-611
Bugzilla:
1439520: CVE-2017-7464 JBoss: JAXP in EAP 7.0 allows info disclosure via XXE
It was found that the JAXP implementation used in EAP 7.0 for SAX and DOM parsing is vulnerable to certain XXE flaws. An attacker could use this flaw to cause DoS, SSRF, or information disclosure if they are able to provide XML content for parsing.

Find out more about CVE-2017-7464 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 4
Base Metrics AV:N/AC:H/Au:N/C:P/I:N/A:P
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact Partial

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 8.7
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Changed
Confidentiality High
Integrity Impact None
Availability Impact High

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Mobile Application Platform On-Premise 4 security Not affected
Red Hat JBoss Web Server 3.0 tomcat Not affected
Red Hat JBoss EAP 7 XML Frameworks Will not fix

Acknowledgements

This issue was discovered by Jason Shepherd (Red Hat).

Mitigation

Enable the security features of the DocumentBuilderFactory or SaxParserFactory as described by OWASP: https://www.owasp.org/index.php/XML_External_Entity_(XXE)_Prevention_Cheat_Sheet#JAXP_DocumentBuilderFactory.2C_SAXParserFactory_and_DOM4J

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