Citrix XenServer Multiple Security Updates (CTX219378)

Published: 2017-01-03 09:14:13
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:C

Detection Method:
Check the installed hotfixes

Recommendations:
Apply the hotfix referenced in the advisory

Summary:
Security vulnerabilities have been identified in Citrix XenServer that may allow malicious code running within a guest VM to read a small part of hypervisor memory and allow privileged-mode code running within a guest VM to hang or crash the host. The following vulnerabilities have been addressed: CVE-2016-9932 (Low): x86 CMPXCHG8B emulation fails to ignore operand size override CVE-2016-10024 (Medium): x86 PV guests may be able to mask interrupts CVE-2016-10025 (Low): missing NULL pointer check in VMFUNC emulation

Affected Versions:
These vulnerabilities affect all currently supported versions of Citrix XenServer up to and including Citrix XenServer 7.0.

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2016-9932
https://nvd.nist.gov/vuln/detail/CVE-2016-10024
https://nvd.nist.gov/vuln/detail/CVE-2016-10025

CVE Analysis

https://www.mageni.net/cve/CVE-2016-9932
https://www.mageni.net/cve/CVE-2016-10024
https://www.mageni.net/cve/CVE-2016-10025

References:

https://support.citrix.com/article/CTX219378

Severity
Medium
CVSS Score
4.9
Published
2017-01-03
Modified
2018-10-19
Category
Citrix Xenserver Local Security Checks

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