CVE-2017-17566HIGH
New! CVE Severity Now Using CVSS v3
The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
Description
An issue was discovered in Xen through 4.9.x allowing PV guest OS users to cause a denial of service (host OS crash) or gain host OS privileges in shadow mode by mapping a certain auxiliary page.
References
http://www.openwall.com/lists/oss-security/2017/12/12/4
http://www.securityfocus.com/bid/102167
http://www.securitytracker.com/id/1040768
https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
https://security.gentoo.org/glsa/201801-14
https://support.citrix.com/article/CTX232096
Details
Source: MITRE
Published: 2017-12-12
Updated: 2019-10-03
Type: NVD-CWE-noinfo
Risk Information
CVSS v2
Base Score: 6.9
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.4
Severity: MEDIUM
CVSS v3
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Impact Score: 6
Exploitability Score: 1.1
Severity: HIGH
Vulnerable Software
Configuration 1
OR
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* versions up to 4.9.1 (inclusive)
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 140019 | OracleVM 3.4 : xen (OVMSA-2020-0039) (Bunker Buster) (Foreshadow) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) (Meltdown) (POODLE) (Spectre) | Nessus | OracleVM Local Security Checks | critical |
| 118215 | Debian DLA-1549-1 : xen security update | Nessus | Debian Local Security Checks | critical |
| 111992 | OracleVM 3.4 : xen (OVMSA-2018-0248) (Bunker Buster) (Foreshadow) (Meltdown) (POODLE) (Spectre) | Nessus | OracleVM Local Security Checks | critical |
| 110305 | OracleVM 3.2 : xen (OVMSA-2018-0225) | Nessus | OracleVM Local Security Checks | high |
| 110110 | OracleVM 3.3 : xen (OVMSA-2018-0224) (Meltdown) (Spectre) | Nessus | OracleVM Local Security Checks | high |
| 109989 | OracleVM 3.4 : xen (OVMSA-2018-0221) | Nessus | OracleVM Local Security Checks | high |
| 109987 | OracleVM 3.4 : xen (OVMSA-2018-0218) (Meltdown) (Spectre) | Nessus | OracleVM Local Security Checks | high |
| 108886 | Citrix XenServer Multiple Vulnerabilities (CTX232096) | Nessus | Misc. | high |
| 108369 | SUSE SLES11 Security Update : xen (SUSE-SU-2018:0678-1) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
| 107254 | SUSE SLES11 Security Update : xen (SUSE-SU-2018:0638-1) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
| 107144 | SUSE SLES12 Security Update : xen (SUSE-SU-2018:0609-1) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
| 107140 | SUSE SLES12 Security Update : xen (SUSE-SU-2018:0601-1) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
| 106901 | SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2018:0472-1) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
| 106864 | openSUSE Security Update : xen (openSUSE-2018-169) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
| 106834 | SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2018:0438-1) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
| 106820 | Debian DSA-4112-1 : xen - security update | Nessus | Debian Local Security Checks | high |
| 106038 | GLSA-201801-14 : Xen: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | high |
| 105882 | Fedora 27 : xen (2017-5945560816) | Nessus | Fedora Local Security Checks | high |
| 105621 | Debian DLA-1230-1 : xen security update | Nessus | Debian Local Security Checks | high |
| 105617 | Citrix XenServer Multiple Vulnerabilities (CTX231390) (Meltdown)(Spectre) | Nessus | Misc. | high |
| 105511 | Fedora 26 : xen (2017-16a414b3c5) | Nessus | Fedora Local Security Checks | high |
| 105490 | Xen PV Guests Internally Used Pages Access Handling Guest-to-Host Privilege Escalation (XSA-248) | Nessus | Misc. | high |