Insecure deserialization In jackson-databind
Description
Information exposure in FasterXML jackson-databind 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.
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Package | Affected version | Patched versions |
|---|---|---|---|
 debian 11 | 2.9.8-2 | ||
debian 13 | 2.9.8-2 | ||
debian 14 | 2.9.8-2 | ||
 maven | 2.9.9, 2.8.11.4, 2.7.9.6, 2.6.7.3 | ||
debian 12 | 2.9.8-2 | ||
 rpm rhel8 | 0:10.7.3-1.module+el8.1.0+3964+500fc130 |
Aliases
References