Description
A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.x through 2.9.9. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has JDOM 1.x or 2.x jar in the classpath, an attacker can send a specifically crafted JSON message that allows them to read arbitrary local files on the server.
Remediation
References
https://github.com/FasterXML/jackson-databind/issues/2341
https://lists.debian.org/debian-lts-announce/2019/06/msg00019.html
https://security.netapp.com/advisory/ntap-20190625-0006/
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
https://access.redhat.com/errata/RHSA-2019:2858
https://access.redhat.com/errata/RHSA-2019:2937
https://access.redhat.com/errata/RHSA-2019:2936
https://access.redhat.com/errata/RHSA-2019:2935
https://access.redhat.com/errata/RHSA-2019:2938
https://access.redhat.com/errata/RHSA-2019:3046
https://access.redhat.com/errata/RHSA-2019:3045
https://access.redhat.com/errata/RHSA-2019:3044
https://access.redhat.com/errata/RHSA-2019:3050
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
https://access.redhat.com/errata/RHSA-2019:3149
https://access.redhat.com/errata/RHSA-2019:3292
https://access.redhat.com/errata/RHSA-2019:3297
https://access.redhat.com/errata/RHSA-2019:3200
https://www.oracle.com/security-alerts/cpujan2020.html
https://www.oracle.com/security-alerts/cpujul2020.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://lists.apache.org/thread.html/1e04d9381c801b31ab28dec813c31c304b2a596b2a3707fa5462c5c0%40%3Cnotifications.zookeeper.apache.org%3E
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