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CVE-2016-7093
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation..
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:4.7.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.6.3:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- http://xenbits.xen.org/xsa/advisory-186.html
- http://www.securitytracker.com/id/1036752
- http://support.citrix.com/article/CTX216071
- http://xenbits.xen.org/xsa/xsa186-0001-x86-emulate-Correct-boundary-interactions-of-emul
- http://www.securityfocus.com/bid/92865
- https://security.gentoo.org/glsa/201611-09