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.
References
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Information
Published : 2019-05-17 10:29
Updated : 2022-04-19 17:15
NVD link : CVE-2019-12086
Mitre link : CVE-2019-12086
JSON object : View
CWE
CWE-502
Deserialization of Untrusted Data
Products Affected
debian
- debian_linux
fasterxml
- jackson-databind