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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.
Publish Date : 2017-10-30 Last Update Date : 2019-10-03
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CVSS Scores & Vulnerability Types
| CVSS Score |
9.0 |
| Confidentiality Impact |
Complete
(There is total information disclosure, resulting in all system files being revealed.) |
| Integrity Impact |
Complete
(There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.) |
| Availability Impact |
Complete
(There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.) |
| Access Complexity |
Low
(Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. ) |
| Authentication |
??? |
| Gained Access |
None |
| Vulnerability Type(s) |
Denial Of ServiceOverflowMemory corruptionObtain Information |
| CWE ID |
119 |
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Products Affected By CVE-2017-15597
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Number Of Affected Versions By Product
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Vendor
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Product
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Vulnerable Versions
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XEN |
XEN |
1 |
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References For CVE-2017-15597
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Metasploit Modules Related To CVE-2017-15597
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