CVE-2019-14893 Security Details

CVE ID

CVE-2019-14893

CWE

CWE-200

CWE-502

CVE Description

A flaw was discovered in FasterXML jackson-databind in all versions before 2.9.10 and 2.10.0, where it would permit polymorphic deserialization of malicious objects using the xalan JNDI gadget when used in conjunction with polymorphic type handling methods such as `enableDefaultTyping()` or when @JsonTypeInfo is using `Id.CLASS` or `Id.MINIMAL_CLASS` or in any other way which ObjectMapper.readValue might instantiate objects from unsafe sources. An attacker could use this flaw to execute arbitrary code.

Published

Nov 25, 2019

CVSS Score & Severity

9.8Critical

CVSS Vector

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

EPSS Score

0.956%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

com/fasterxml/jackson/databind/deser/BeanDeserializerFactory.createBeanDeserializer(Lcom/fasterxml/jackson/databind/DeserializationContext;Lcom/fasterxml/jackson/databind/JavaType;Lcom/fasterxml/jackson/databind/BeanDescription;)Lcom/fasterxml/jackson/databind/JsonDeserializer;

JVMVulnerable params: 0

com/fasterxml/jackson/databind/jsontype/impl/SubTypeValidator.validateSubType(Lcom/fasterxml/jackson/databind/DeserializationContext;Lcom/fasterxml/jackson/databind/JavaType;Lcom/fasterxml/jackson/databind/BeanDescription;)V

JVMVulnerable params: 0

Affected Ecosystems

affected

Source

National Vulnerability Database

References

GitHub · Issue #2469PROJECT