Security Bulletin
Summary
PowerKVM is affected by a vulnerability in SPICE. IBM has now addressed this vulnerability.
Vulnerability Details
CVEID: CVE-2018-10873
DESCRIPTION: SPICE is vulnerable to a denial of service, caused by a missing check in python_modules/demarshal.py:write_validate_array_item(). By sending a specially-crafted message, a remote authenticated attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 8.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/148522 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H)
Affected Products and Versions
PowerKVM 3.1
Remediation/Fixes
Customers can update PowerKVM systems by using "yum update".
Fix images are made available via Fix Central. For version 3.1, see https://ibm.biz/BdHggw. This issue is addressed starting with v3.1.0.2 update 16.
Workarounds and Mitigations
none
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References
Change History
28 September 2018 - Initial Version
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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Document Information
Modified date:
17 December 2018
UID
ibm10735381