CVE-2020-14338 Information

Description

A flaw was found in Wildfly’s implementation of Xerces specifically in the way the XMLSchemaValidator class in the JAXP component of Wildfly enforced the \use-grammar-pool-only\ feature. This flaw allows a specially-crafted XML file to manipulate the validation process in certain cases. This issue is the same flaw as CVE-2020-14621 which affected OpenJDK and uses a similar code. This flaw affects all Xerces JBoss versions before 2.12.0.SP3.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=1860054 https://lists.apache.org/thread.html/rf96c5afb26b596b4b97883aa90b6c0b0fc4c26aaeea7123c21912103@3Cj-users.xerces.apache.org3E

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

5.3