Vulnerability Name:

CVE-2018-10471

Assigned:2018-04-25
Published:2018-04-25
Updated:2018-06-07
Summary:An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754.
CVSS v3 Severity:6.5 Medium (CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.1 High (CCN CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)
6.2 Medium (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-787
References:Source: BID
Type: VENDOR_ADVISORY
104003

Source: XF
Type: UNKNOWN
xen-xpti-dos(142368)

Source: DEBIAN
Type: VENDOR_ADVISORY
DSA-4201

Source: CONFIRM
Type: VENDOR_ADVISORY
https://xenbits.xen.org/xsa/advisory-259.html

Vulnerable Configuration:Configuration 1:
  • cpe:/o:xen:xen:4.10.1:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:xensource:xen:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:201810471
    V
    CVE-2018-10471
    2018-09-18
    oval:com.ubuntu.artful:def:201810471000
    V
    CVE-2018-10471 on Ubuntu 17.10 (artful) - medium.
    2018-04-27
    oval:com.ubuntu.bionic:def:201810471000
    V
    CVE-2018-10471 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-04-27
    oval:com.ubuntu.trusty:def:201810471000
    V
    CVE-2018-10471 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-04-27
    oval:com.ubuntu.xenial:def:201810471000
    V
    CVE-2018-10471 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-04-27
    BACK
    xen xen 4.10.1
    debian debian linux 9.0
    xensource xen *