Security Bulletin: Open Source XStream as used in IBM QRadar SIEM is vulnerable to Denial of Service. (CVE-2017-7957)

Summary

Open Source XStream is vulnerable to a Denial of Service attack.

Vulnerability Details

CVEID: CVE-2017-7957**
DESCRIPTION:** XStream is vulnerable to a denial of service, caused by the improper handling of attempts to create an instance of the primitive type ‘void’ during unmarshalling. A remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/125800 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

· IBM QRadar SIEM 7.2.0 – 7.2.8 Patch 8

· IBM QRadar SIEM 7.3.0 – 7.3.0 Patch 3

Remediation/Fixes

· QRadar/QRM/QVM/QRIF/QNI 7.2.8 Patch 9

· QRadar/QRM/QVM/QRIF/QNI 7.3.0 Patch 4

Workarounds and Mitigations

None