CVE-2020-9547

NameCVE-2020-9547
DescriptionFasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to com.ibatis.sqlmap.engine.transaction.jta.JtaTransactionConfig (aka ibatis-sqlmap).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2135-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
jackson-databind (PTS)buster2.9.8-3+deb10u3fixed
buster (security)2.9.8-3+deb10u5fixed
bullseye (security), bullseye2.12.1-1+deb11u1fixed
bookworm, sid, trixie2.14.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
jackson-databindsourcejessie2.4.2-2+deb8u12DLA-2135-1
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/2634
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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