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Security Bulletin: Venom vulnerability affects IBM PureApplication System (CVE-2015-3456)

Security Bulletin


IBM PureApplication System is vulnerable to Venom: "Virtualized Environment Neglected Operation Manipulation".

Vulnerability Details

CVEID: CVE-2015-3456
DESCRIPTION: QEMU is vulnerable to a buffer overflow, caused by improper bounds checking by the Floppy Disk Controller (FDC) emulation. By sending specially crafted FDC commands, a guest operating system attacker with access to the FDC I/O ports could overflow a buffer and execute arbitrary code on the system with root privileges. Note: This vulnerability is also being called VENOM.

CVSS Base Score: 7.7
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:A/AC:L/Au:S/C:C/I:C/A:C)

Affected Products and Versions

IBM PureApplication System V2.0
IBM PureApplication System V2.1


The IBM PureApplication System may be affected. Contact IBM Support for information regarding mitigation.

IBM recommends that you review your entire environment to identify vulnerable releases of the open-source hypervisor QEMU and virtualization infrastructures that utilize QEMU and take appropriate mitigation and remediation actions.

Workarounds and Mitigations


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Change History

27 May 2015: Original Version Published

*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.


According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

[{"Product":{"code":"SSM8NY","label":"PureApplication System"},"Business Unit":{"code":"BU004","label":"Hybrid Cloud"},"Component":"Security","Platform":[{"code":"PF016","label":"Linux"},{"code":"PF002","label":"AIX"},{"code":"PF033","label":"Windows"},{"code":"PF025","label":"Platform Independent"}],"Version":";;;2.0","Edition":""}]

Document Information

Modified date:
15 June 2018