Vulnerability Details : CVE-2017-17045
An issue was discovered in Xen through 4.9.x allowing HVM guest OS users to gain privileges on the host OS, obtain sensitive information, or cause a denial of service (BUG and host OS crash) by leveraging the mishandling of Populate on Demand (PoD) Physical-to-Machine (P2M) errors.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2017-17045
Probability of exploitation activity in the next 30 days: 0.06%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 25 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-17045
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST |
8.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
2.0
|
6.0
|
NIST |
CWE ids for CVE-2017-17045
-
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-17045
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http://www.securitytracker.com/id/1039879
Xen Populate on Demand Error Checking Flaw Bug Lets Local Users on a Guest System Gain Elevated Privileges on the Host System - SecurityTrackerThird Party Advisory;VDB Entry
-
https://xenbits.xen.org/xsa/advisory-247.html
XSA-247 - Xen Security AdvisoriesIssue Tracking;Mitigation;Patch;Vendor Advisory
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https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html
[SECURITY] [DLA 1559-1] xen security update
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https://security.gentoo.org/glsa/201801-14
Xen: Multiple vulnerabilities (GLSA 201801-14) — Gentoo security
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http://www.securityfocus.com/bid/102129
RETIRED: Citrix XenServer Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
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https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html
[SECURITY] [DLA 1230-1] xen security update
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https://support.citrix.com/article/CTX230138
Citrix XenServer Multiple Security UpdatesIssue Tracking;Third Party Advisory
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http://www.securityfocus.com/bid/102013
Xen CVE-2017-17045 Privilege Escalation VulnerabilityVDB Entry;Third Party Advisory
Products affected by CVE-2017-17045
- cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*