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.

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-0440 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.
Github GHSA Github GHSA GHSA-qmqc-x3r4-6v39 Polymorphic deserialization of malicious object in jackson-databind
Fixes

Solution

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-05T00:26:39.152Z

Reserved: 2019-08-10T00:00:00.000Z

Link: CVE-2019-14893

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-03-02T21:15:17.520

Modified: 2024-11-21T04:27:37.670

Link: CVE-2019-14893

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-09-20T00:00:00Z

Links: CVE-2019-14893 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses