CVE-2017-17564

Current Description

An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging incorrect error handling for reference counting in shadow mode.

Basic Data

PublishedDecember 12, 2017
Last ModifiedOctober 19, 2018
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-388
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:L/AC:M/Au:N/C:C/I:C/A:C
CVSS 2 - Access VectorLOCAL
CVSS 2 - Access ComplexityMEDIUM
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactCOMPLETE
CVSS 2 - Availability ImpactCOMPLETE
CVSS 2 - Base Score6.9
SeverityMEDIUM
Exploitability Score3.4
Impact Score10.0
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

CVSS 3 - Version3.0
CVSS 3 - Vector StringCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 3 - Attack VectorLOCAL
CVSS 3 - Attack ComplexityHIGH
CVSS 3 - Privileges RequiredLOW
CVSS 3 - User InteractionNONE
CVSS 3 - ScopeCHANGED
CVSS 3 - Confidentiality ImpactHIGH
CVSS 3 - Integrity ImpactHIGH
CVSS 3 - Availability ImpactHIGH
CVSS 3 - Base Score7.8
CVSS 3 - Base SeverityHIGH
Exploitability Score1.1
Base SeverityHIGH

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3OSXenXen********4.9.1

Vulnerable Software List

VendorProductVersions
Xen Xen *

References

NameSourceURLTags
http://www.openwall.com/lists/oss-security/2017/12/12/3http://www.openwall.com/lists/oss-security/2017/12/12/3CONFIRMMailing List
102172http://www.securityfocus.com/bid/102172BID
1040770http://www.securitytracker.com/id/1040770SECTRACK
[debian-lts-announce] 20180105 [SECURITY] [DLA 1230-1] xen security updatehttps://lists.debian.org/debian-lts-announce/2018/01/msg00003.htmlMLIST
[debian-lts-announce] 20181018 [SECURITY] [DLA 1549-1] xen security updatehttps://lists.debian.org/debian-lts-announce/2018/10/msg00009.htmlMLIST
GLSA-201801-14https://security.gentoo.org/glsa/201801-14GENTOO
https://support.citrix.com/article/CTX232096https://support.citrix.com/article/CTX232096CONFIRM
DSA-4112https://www.debian.org/security/2018/dsa-4112DEBIAN
https://xenbits.xen.org/xsa/advisory-250.htmlhttps://xenbits.xen.org/xsa/advisory-250.htmlCONFIRMMitigation Patch Vendor Advisory