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CVE-2017-7228
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
An issue (known as XSA-212) was discovered in Xen, with fixes available for 4.8.x, 4.7.x, 4.6.x, 4.5.x, and 4.4.x. The earlier XSA-29 fix introduced an insufficient check on XENMEM_exchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays..
CVSSv2.0 Score
- Severity
- High
- Base Score
- 7.2/10
- Exploit Score
- 3.9/10
- Access Vector
- Local
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 10/10
- Confidentiality Impact
- Complete
- Availability Impact
- Complete
- Integrity Impact
- Complete
CVSSv3.1 Score
- Severity
- High
- Base Score
- 8.2/10
- Exploit Score
- 1.5/10
- Access Vector
- Local
- Access Complexity
- Low
- Privileges Required
- High
- Impact Score
- 6/10
- Confidentiality Impact
- High
- Availability Impact
- High
- Integrity Impact
- High
- Scope
- Changed
- User Interaction
- None
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- http://xenbits.xen.org/xsa/advisory-212.html
- http://openwall.com/lists/oss-security/2017/04/04/3
- http://www.securityfocus.com/bid/97375
- https://googleprojectzero.blogspot.com/2017/04/pandavirtualization-exploiting-xen.html
- https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-029-2017.txt
- http://www.securitytracker.com/id/1038223
- https://www.exploit-db.com/exploits/41870/
- http://www.debian.org/security/2017/dsa-3847