Debian 9: DLA-2507-1 moderate: libxstream-java server-side forgery

debian lts

December 31, 2020

Several security vulnerabilities were discovered in XStream, a Java library to serialize objects to XML and back again

Topics Covered

security advisory moderate software update debian moderate severity file deletion server-side forgery libxstream-java

Summary

XStream is vulnerable to a Server-Side Forgery Request which can be
activated when unmarshalling. The vulnerability may allow a remote attacker
to request data from internal resources that are not publicly available
only by manipulating the processed input stream.

CVE-2020-26259

Xstream is vulnerable to an Arbitrary File Deletion on the local host when
unmarshalling. The vulnerability may allow a remote attacker to delete
arbitrary known files on the host as long as the executing process has
sufficient rights only by manipulating the processed input stream.

For Debian 9 stretch, these problems have been fixed in version
1.4.11.1-1+deb9u1.

We recommend that you upgrade your libxstream-java packages.

For the detailed security status of libxstream-java please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/libxstream-java

Further information about Debian LTS security advisories, how to apply