CVE-2017-10920
CVSS V2 High 10
CVSS V3 Critical 10
Description
The grant-table feature in Xen through 4.8.x mishandles a GNTMAP_device_map and GNTMAP_host_map mapping, when followed by only a GNTMAP_host_map unmapping, which allows guest OS users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 1.
Overview
- CVE ID
- CVE-2017-10920
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2017-07-05T01:29:00
- Last Modified Date
- 2019-10-03T00:03:26
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* | 1 | OR | 4.8.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:C/I:C/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 10
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 10
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 10
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 6
References
| Reference URL | Reference Tags |
|---|---|
| https://xenbits.xen.org/xsa/advisory-224.html | Patch Vendor Advisory |
| http://www.securitytracker.com/id/1038734 | |
| https://security.gentoo.org/glsa/201708-03 | |
| https://security.gentoo.org/glsa/201710-17 | |
| http://www.debian.org/security/2017/dsa-3969 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-10920 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10920 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:19:37 | Added to TrackCVE | |||
| 2022-12-02 18:16:26 | 2017-07-05T01:29Z | 2017-07-05T01:29:00 | CVE Published Date | updated |
| 2022-12-02 18:16:26 | 2019-10-03T00:03:26 | CVE Modified Date | updated | |
| 2022-12-02 18:16:26 | Modified | Vulnerability Status | updated |