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CVE
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CVE-2017-17566Date: (C)2017-12-13   (M)2019-04-04


An issue was discovered in Xen through 4.9.x allowing PV guest OS users to cause a denial of service (host OS crash) or gain host OS privileges in shadow mode by mapping a certain auxiliary page.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.8CVSS Score : 6.9
Exploit Score: 1.1Exploit Score: 3.4
Impact Score: 6.0Impact Score: 10.0
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: COMPLETE
Scope: CHANGEDIntegrity: COMPLETE
Confidentiality: HIGHAvailability: COMPLETE
Integrity: HIGH 
Availability: HIGH 
  
Reference:
BID-102167
SECTRACK-1040768
DSA-4112
GLSA-201801-14
https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html
http://www.openwall.com/lists/oss-security/2017/12/12/4
https://support.citrix.com/article/CTX232096
https://xenbits.xen.org/xsa/advisory-248.html

CWE    1
CWE-19
OVAL    13
oval:org.secpod.oval:def:113839
oval:org.secpod.oval:def:113807
oval:org.secpod.oval:def:1800826
oval:org.secpod.oval:def:1800270
...

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