Xerces JBoss up to 2.12.0.0SP2 JAXP XMLSchemaValidator XML File input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Xerces JBoss up to 2.12.0.0SP2. It has been declared as critical. This affects the function XMLSchemaValidator of the component JAXP. Such manipulation as part of XML File leads to input validation. This vulnerability is referenced as CVE-2020-14338. It is possible to launch the attack remotely. No exploit is available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in Xerces JBoss up to 2.12.0.0SP2 (Application Server Software) and classified as critical. Affected by this issue is the function XMLSchemaValidator of the component JAXP. The manipulation as part of a XML File leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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. All xerces jboss versions before 2.12.0.SP3.

The weakness was published 09/17/2020 as Bug 1860054 as not defined bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability is handled as CVE-2020-14338 since 06/17/2020. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

Applying the patch 2.12.0.0SP3 is able to eliminate this problem.

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Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 2.12.0.0SP3

Timelineinfo

06/17/2020 🔍
09/17/2020 +92 days 🔍
09/18/2020 +1 days 🔍
09/18/2020 +0 days 🔍

Sourcesinfo

Advisory: Bug 1860054
Status: Not defined

CVE: CVE-2020-14338 (🔍)
GCVE (CVE): GCVE-0-2020-14338
GCVE (VulDB): GCVE-100-161510

Entryinfo

Created: 09/18/2020 08:31
Updated: 09/18/2020 08:36
Changes: 09/18/2020 08:31 (43), 09/18/2020 08:36 (18)
Complete: 🔍
Cache ID: 216::103

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