CVE-2017-7995

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Summary

CVECVE-2017-7995
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-05-03 19:59:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionXen PV guest before Xen 4.3 checked access permissions to MMIO ranges only after accessing them, allowing host PCI device space memory reads, leading to information disclosure. This is an error in the get_user function. NOTE: the upstream Xen Project considers versions before 4.5.x to be EOL.

Risk And Classification

Primary CVSS: v3.0 3.8 LOW from [email protected]

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Problem Types: CWE-200 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary3.8LOWCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
2.0[email protected]Primary1.7AV:L/AC:L/Au:S/C:P/I:N/A:N

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
None
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Novell Suse Linux Enterprise Point Of Sale 11.0 sp3 All All
Operating System Novell Suse Linux Enterprise Server 11.0 sp3 All All
Application Suse Manager 2.1 All All All
Application Suse Manager Proxy 2.1 All All All
Application Suse Openstack Cloud 5 All All All
Operating System Xen Xen All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Xen CVE-2017-7995 Information Disclosure Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Bug 1033948 – VUL-0: CVE-2017-7995: xen: access-before-verification vulnerability in old Xen af854a3a-2127-422b-91ae-364da2661108 bugzilla.suse.com Issue Tracking, Third Party Advisory, VDB Entry
[security-announce] SUSE-SU-2017:1146-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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