Bug#929177: jackson-databind: CVE-2019-12086

[Markus Koschany]

Package: jackson-databind
X-Debbugs-CC: team at security.debian.org
Severity: important
Tags: security

Hi,

I will take care of this one myself.

The following vulnerability was published for jackson-databind.

CVE-2019-12086[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2019-12086
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12086

Please adjust the affected versions in the BTS as needed.


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