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Ubuntu 16.04 LTS: USN-6978-1 Critical: XStream Remote Code Execution

ubuntu
Calendar Grey August 22, 2024
Dist Ubuntu Esm H88
Solutions addressing several libxstream-java vulnerabilities impacting Ubuntu distributions and associated threats are outlined here.
Several security issues were fixed in XStream.

Summary

Several security issues were fixed in XStream.

Software Description:

- libxstream-java: Java library to serialize objects to XML and back again

Details:

It was discovered that XStream incorrectly handled parsing of certain

crafted XML documents. A remote attacker could possibly use this issue to

read arbitrary files. (CVE-2016-3674)

Zhihong Tian and Hui Lu found that XStream was vulnerable to remote code

execution. A remote attacker could run arbitrary shell commands by

manipulating the processed input stream. (CVE-2020-26217)

It was discovered that XStream was vulnerable to server-side forgery

attacks. A remote attacker could request data from internal resources

that are not publicly available only by manipulating the processed input

stream. (CVE-2020-26258)

It was discovered that XStream was vulnerable to arbitrary file deletion

on the local host. A remote attacker could use this to delete arbitrary

known files on the host as long as the executing pro...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service remote code execution server-side forgery libxstream-java

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 LTS
   libxstream-java                 1.4.8-1ubuntu0.1+esm3
                                   Available with Ubuntu Pro

Ubuntu 14.04 LTS
   libxstream-java                 1.4.7-1ubuntu0.1+esm2
                                   Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6978-1

CVE-2016-3674, CVE-2020-26217, CVE-2020-26258, CVE-2020-26259,

CVE-2021-21341, CVE-2021-21342, CVE-2021-21343, CVE-2021-21344,

CVE-2021-21345, CVE-2021-21346, CVE-2021-21347, CVE-2021-21348,

CVE-2021-21349, CVE-2021-21350, CVE-2021-21351

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6978-1

Topics%20covered

Topics Covered

security advisory denial of service remote code execution server-side forgery libxstream-java

Package Information

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