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Ubuntu: USN-4813-1 (CVE-2019-12086): Jackson Databind vulnerabilities

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Ubuntu: USN-4813-1 (CVE-2019-12086): Jackson Databind vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
05/17/2019
Created
03/29/2023
Added
03/22/2023
Modified
03/22/2023

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)

  • ubuntu-upgrade-libjackson2-databind-java

References

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