National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-15597 Detail

Current Description

An issue was discovered in Xen through 4.9.x. Grant copying code made an implication that any grant pin would be accompanied by a suitable page reference. Other portions of code, however, did not match up with that assumption. When such a grant copy operation is being done on a grant of a dying domain, the assumption turns out wrong. A malicious guest administrator can cause hypervisor memory corruption, most likely resulting in host crash and a Denial of Service. Privilege escalation and information leaks cannot be ruled out.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.1 CRITICAL
Vector: AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H (V3.0 legend)
Impact Score: 6.0
Exploitability Score: 2.3


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 9.0 HIGH
Vector: (AV:N/AC:L/Au:S/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): Single
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2017/10/24/3 Issue Tracking Mailing List Mitigation Third Party Advisory
http://www.securityfocus.com/bid/101564 Issue Tracking Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039653 Issue Tracking Third Party Advisory VDB Entry
http://xenbits.xen.org/xsa/advisory-236.html Issue Tracking Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
https://support.citrix.com/article/CTX229057 Issue Tracking Third Party Advisory
https://www.debian.org/security/2017/dsa-4050

Technical Details

Vulnerability Type (View All)

  • Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119)
  • Information Exposure (CWE-200)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:xen:xen:*:rc7:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
4.9.0


Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-15597
NVD Published Date:
10/30/2017
NVD Last Modified:
10/02/2019