Citrix XenServer Multiple Security Updates (CTX230138)

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

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

Summary:
A number of security vulnerabilities have been identified in Citrix XenServer that may allow a malicious administrator of an HVM guest VM to compromise the host. - CVE-2017-7980: code execution via overflow in Cirrus Logic emulation - CVE-2017-15592: Incorrect handling of self-linear shadow mappings with translated guests - CVE-2017-17044: Infinite loop due to missing PoD error checking - CVE-2017-17045: Missing p2m error checking in PoD code

Affected Versions:
XenServer versions 7.2, 7.1, 7.0, 6.5, 6.2.0 and 6.0.2.

Recommendations:
Apply the hotfix referenced in the advisory.

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

https://nvd.nist.gov/vuln/detail/CVE-2017-7980
https://nvd.nist.gov/vuln/detail/CVE-2017-15592
https://nvd.nist.gov/vuln/detail/CVE-2017-17044
https://nvd.nist.gov/vuln/detail/CVE-2017-17045

CVE Analysis

https://www.mageni.net/cve/CVE-2017-7980
https://www.mageni.net/cve/CVE-2017-15592
https://www.mageni.net/cve/CVE-2017-17044
https://www.mageni.net/cve/CVE-2017-17045

References:

https://support.citrix.com/article/CTX230138