Huawei has noticed the buffer overflow vulnerability in the floppy disk controller (FDC) of QEMU disclosed by open source organization Xen. This vulnerability allows an attacker to escape out of the virtual machine, execute code on the physical host with full privilege. (Vulnerability ID: HWPSIRT-2015-05025)
This Vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-3456.
Product Name
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Affected Version
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Resolved Product and Version
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FusionCompute
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V100R003C00SPC300 and earlier versions
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Upgrade to V100R005C00CP3001
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V100R003C10SPC600 and earlier versions
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V100R005C00SPC300 and earlier versions
|
V100R005C00CP3001
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FusionSphere OpenStack
|
V100R005C00SPC115 and earlier versions
|
V100R005C00SPC116
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The attacker can execute code on the physical host with full privilege.
The vulnerability classification has been performed by using the CVSSv2 scoring system (http://www.first.org/cvss/).
Base Score: 7.7 (AV:A/AC:L/Au:S/C:C/I:C/A:C)
Temporal Score: 6.4 (E:F/RL:O/RC:C)
1. Prerequisite:
The attacker logs in to the virtual machine using the root or administrator privilege.
2. Attacking procedure:
The attack runs the malicious program in the virtual machine to cause a buffer overflow and exploit the vulnerability.
This vulnerability was reported by open source organization Xen. Huawei PSIRT is not aware of any public announcements or malicious use of the vulnerability described in this advisory.
For security problems about Huawei products and solutions, please contact
PSIRT@huawei.com.
For general problems about Huawei products and solutions, please directly contact Huawei TAC (Huawei Technical Assistance Center) to request the configuration or technical assistance.
2015-06-29 V1.1 UPDATED updated list of affected products
2015-06-09 V1.0 INITIAL
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