Vulnerability Name:

CVE-2016-9817 (CCN-119645)

Assigned:2016-11-29
Published:2016-11-29
Updated:2017-07-28
Summary:Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving a (1) data or (2) prefetch abort with the ESR_EL2.EA bit set.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/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 v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)
6.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/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-284
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-9817

Source: MLIST
Type: Mailing List, Mitigation, Third Party Advisory
[oss-security] 20161129 Xen Security Advisory 201 - ARM guests may induce host asynchronous abort

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20161204 Re: Xen Security Advisory 201 - ARM guests may induce host asynchronous abort

Source: BID
Type: Third Party Advisory, VDB Entry
94581

Source: CCN
Type: BID-94581
Xen XSA-201 Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1037358

Source: CONFIRM
Type: Mitigation, Patch, Vendor Advisory
http://xenbits.xen.org/xsa/advisory-201.html

Source: CONFIRM
Type: Patch, Vendor Advisory
http://xenbits.xen.org/xsa/xsa201-3-4.7.patch

Source: CONFIRM
Type: Patch, Vendor Advisory
http://xenbits.xen.org/xsa/xsa201-3.patch

Source: XF
Type: UNKNOWN
xen-cve20169817-dos(119645)

Source: GENTOO
Type: UNKNOWN
GLSA-201612-56

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-9817

Source: CCN
Type: Xen Security Advisory XSA-201
ARM guests may induce host asynchronous abort

Vulnerable Configuration:Configuration 1:
  • cpe:/o:xen:xen:4.7.0:*:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:4.7.1:*:*:*:*:*:*:*

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

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20169817000
    V
    		CVE-2016-9817 on Ubuntu 12.04 LTS (precise) - medium.
    2017-02-27
    oval:com.ubuntu.trusty:def:20169817000
    V
    		CVE-2016-9817 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-02-27
    oval:com.ubuntu.xenial:def:20169817000
    V
    		CVE-2016-9817 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-02-27
    oval:com.ubuntu.xenial:def:201698170000000
    V
    		CVE-2016-9817 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-02-27
    BACK
    xen xen 4.7.0
    xen xen 4.7.1
    xensource xen *