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Red Hat OpenShift: CVE-2019-12086: jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server.

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Red Hat OpenShift: CVE-2019-12086: jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server.

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
05/17/2019
Created
10/09/2019
Added
10/08/2019
Modified
04/09/2020

Description

A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.x before 2.9.9. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint, the service has the mysql-connector-java jar (8.0.14 or earlier) in the classpath, and an attacker can host a crafted MySQL server reachable by the victim, an attacker can send a crafted JSON message that allows them to read arbitrary local files on the server. This occurs because of missing com.mysql.cj.jdbc.admin.MiniAdmin validation.

Solution(s)

  • linuxrpm-upgrade-logging

References

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