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Citrix XenServer Multiple Security Updates (CTX227185)

Information

Severity

Severity

High

Family

Family

Citrix Xenserver Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.2

CVSSv2 Vector

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

4 years ago

Modified

Modified

3 years ago

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Summary

A number of security vulnerabilities have been identified in Citrix XenServer that may allow a malicious administrator of a guest VM to compromise the host: - CVE-2017-14316: (High) Missing NUMA node parameter verification. - CVE-2017-14318: (Medium) Missing check for grant table. - CVE-2017-14319: (High) insufficient grant unmapping checks for x86 PV guests.

Affected Software

Affected Software

XenServer versions 7.2, 7.1, 7.0, 6.5, 6.2.0, 6.0.2.

Solution

Solution

Apply the hotfix referenced in the advisory.

Common Vulnerabilities and Exposures (CVE)

References

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Citations 1. Costs and Consequences of Gaps in Vulnerability Response, Ponemom Institute 2. Cost of a Data Breach Report 2021, IBM

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