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CVE-2019-12086 PUBLISHED

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.

EPSS 15.50% · 94.6th percentile

Risk Scores

EPSS Score
15.50%
94.6th percentile

Affected Products

VendorProductVersions
Ubuntu:Pro:14.04:LTSjackson-databind0, 2.2.2-1, 2.2.2-1ubuntu0.1~esm1
Ubuntu:18.04:LTSjackson-databind0, 2.8.6-1, 2.9.1-1
Ubuntu:Pro:16.04:LTSjackson-databind2.4.2-2, 2.4.2-3, 2.4.2-3ubuntu0.1~esm1
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