ELA-336-1 libxstream-java security update

arbitrary file deletion

2020-12-31
Packagelibxstream-java
Version1.4.11.1-1+deb8u1
Related CVEs CVE-2020-26258 CVE-2020-26259

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

CVE-2020-26258

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 8 jessie, these problems have been fixed in version 1.4.11.1-1+deb8u1.

We recommend that you upgrade your libxstream-java packages.

Further information about Extended LTS security advisories can be found at: https://deb.freexian.com/extended-lts/