CVE-2021-21345

NameCVE-2021-21345
DescriptionXStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker who has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.16.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2616-1
Debian Bugs985843

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libxstream-java (PTS)buster, buster (security)1.4.11.1-1+deb10u3fixed
bullseye (security), bullseye1.4.15-3+deb11u1fixed
bookworm, sid1.4.19-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libxstream-javasourcestretch1.4.11.1-1+deb9u2DLA-2616-1
libxstream-javasourcebuster1.4.11.1-1+deb10u3
libxstream-javasource(unstable)1.4.15-2985843

Notes

https://github.com/x-stream/xstream/security/advisories/GHSA-hwpc-8xqv-jvj4

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