CVE-2021-21349

NameCVE-2021-21349
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 to request data from internal resources that are not publicly available 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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2616-1, ELA-398-1
Debian Bugs985843

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libxstream-java (PTS)jessie, jessie (lts)1.4.11.1-1+deb8u6fixed
stretch (security)1.4.11.1-1+deb9u5fixed
stretch (lts), stretch1.4.11.1-1+deb9u6fixed
buster1.4.11.1-1+deb10u3fixed
buster (security)1.4.11.1-1+deb10u4fixed
bullseye (security), bullseye1.4.15-3+deb11u2fixed
sid, trixie, bookworm1.4.20-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libxstream-javasourcejessie1.4.11.1-1+deb8u2ELA-398-1
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-f6hm-88x3-mfjv

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