Security Bulletin: IBM Watson Discovery for IBM Cloud Pak for Data affected by vulnerability in XStream

Summary

IBM Watson Discovery for IBM Cloud Pak for Data contains a vulnerable version of XStream.

Vulnerability Details

CVEID:CVE-2020-26258
**DESCRIPTION:**XStream is vulnerable to server-side request forgery, caused by a flaw when unmarshalling. By manipulating the processed input stream, a remote attacker could exploit this vulnerability to obtain sensitive data.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/193525 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2020-26259
**DESCRIPTION:**XStream could allow a remote attacker to delete arbitrary files from the system, caused by improper input sanitization. By manipulating the processed input, an attacker could exploit this vulnerability to delete arbitrary files from the system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/193524 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

CVEID:CVE-2020-26217
**DESCRIPTION:**XStream could allow a remote attacker to execute arbitrary code on the system, caused by flaws in the XStream.java and SecurityVulnerabilityTest.java scripts. By manipulating the processed input stream, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/192210 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Remediation/Fixes

Upgrade to IBM Watson Discovery 2.2.1

<https://cloud.ibm.com/docs/discovery-data?topic=discovery-data-install&gt;

Workarounds and Mitigations

None