CVE-2019-12814

NameCVE-2019-12814
DescriptionA Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.x through 2.9.9. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has JDOM 1.x or 2.x jar in the classpath, an attacker can send a specifically crafted JSON message that allows them to read arbitrary local files on the server.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1831-1
NVD severitymedium (attack range: remote)
Debian Bugs930750

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
jackson-databind (PTS)jessie2.4.2-2+deb8u4vulnerable
jessie (security)2.4.2-2+deb8u8fixed
stretch2.8.6-1+deb9u4vulnerable
stretch (security)2.8.6-1+deb9u5vulnerable
buster2.9.8-3fixed
bullseye, sid2.9.9.3-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
jackson-databindsource(unstable)2.9.8-3medium930750
jackson-databindsourcejessie2.4.2-2+deb8u7mediumDLA-1831-1

Notes

https://github.com/FasterXML/jackson-databind/issues/2341
https://github.com/FasterXML/jackson-databind/commit/5f7c69bba07a7155adde130d9dee2e54a54f1fa5

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