CVE-2020-14338

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.59%
Vendor Advisory redhat.com
Affected: n/a Wildfly
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1860054 vendor advisory issue tracking
https://lists.apache.org/thread.html/rf96c5afb26b596b4b97883aa90b6c0b0fc4c26aaeea7123c21912103%40%3Cj-users.xerces.apache.org%3E mailing list

Frequently Asked Questions

What is the severity of CVE-2020-14338?
CVE-2020-14338 has been scored as a medium severity vulnerability.
How to fix CVE-2020-14338?
To fix CVE-2020-14338, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-14338 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-14338 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-14338?
CVE-2020-14338 affects n/a Wildfly.
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