CVE-2020-14062

NameCVE-2020-14062
DescriptionFasterXML jackson-databind 2.x before 2.9.10.5 mishandles the interaction between serialization gadgets and typing, related to com.sun.org.apache.xalan.internal.lib.sql.JNDIConnectionPool (aka xalan2).
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-2270-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
jackson-databind (PTS)stretch2.8.6-1+deb9u7fixed
stretch (security)2.8.6-1+deb9u6vulnerable
buster2.9.8-3+deb10u2fixed
buster (security)2.9.8-3+deb10u1vulnerable
bullseye, sid2.11.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
jackson-databindsourcejessie2.4.2-2+deb8u15DLA-2270-1
jackson-databindsourcestretch2.8.6-1+deb9u7
jackson-databindsourcebuster2.9.8-3+deb10u2
jackson-databindsource(unstable)2.11.1-1

Notes

https://github.com/FasterXML/jackson-databind/issues/2704
Starting from 2.10 series mitigated as Safe Default Typing is enabled by default
but still an issue when Default Typing is enabled.

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