Vulnerability Name:

CVE-2014-8867

Assigned:2014-11-27
Published:2014-11-27
Updated:2017-11-14
Summary:The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM guests to cause a denial of service (host crash) via unspecified vectors.
CVSS v3 Severity:4.0 Medium (CCN CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
3.7 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC: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
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.2 Medium (REDHAT CVSS v2 Vector: AV:A/AC:M/Au:S/C:N/I:N/A:C)
3.8 Low (REDHAT Temporal CVSS v2 Vector: AV:A/AC:M/Au:S/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-17
References:Source: CONFIRM
Type: UNKNOWN
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705

Source: SUSE
Type: VENDOR_ADVISORY
openSUSE-SU-2015:0226

Source: SUSE
Type: VENDOR_ADVISORY
openSUSE-SU-2015:0256

Source: REDHAT
Type: VENDOR_ADVISORY
RHSA-2015:0783

Source: CONFIRM
Type: UNKNOWN
http://support.citrix.com/article/CTX200288

Source: CONFIRM
Type: UNKNOWN
http://support.citrix.com/article/CTX201794

Source: DEBIAN
Type: VENDOR_ADVISORY
DSA-3140

Source: BID
Type: VENDOR_ADVISORY
71331

Source: CONFIRM
Type: VENDOR_ADVISORY
http://xenbits.xenproject.org/xsa/advisory-112.html

Source: XF
Type: UNKNOWN
xen-cve20148867-dos(99019)

Source: GENTOO
Type: UNKNOWN
GLSA-201504-04

Vulnerable Configuration:Configuration 1:
  • cpe:/o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:xen:xen:3.2.0:*:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:3.2.1:*:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:3.2.2:*:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:3.2.3:*:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:4.4.0:*:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:4.4.1:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:debian:debian_linux:7.0:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
  • OR cpe:/o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

  • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20148867
    V
    CVE-2014-8867
    2018-08-15
    oval:org.cisecurity:def:249
    P
    DSA-3140-1 -- xen -- security update
    2016-02-08
    oval:com.redhat.rhsa:def:20150783
    P
    RHSA-2015:0783: kernel security and bug fix update (Important)
    2015-04-07
    oval:com.ubuntu.precise:def:20148867000
    V
    CVE-2014-8867 on Ubuntu 12.04 LTS (precise) - medium.
    2014-12-01
    oval:com.ubuntu.trusty:def:20148867000
    V
    CVE-2014-8867 on Ubuntu 14.04 LTS (trusty) - medium.
    2014-12-01
    BACK
    redhat enterprise linux 5.0
    redhat enterprise linux desktop 5.0
    xen xen 3.2.0
    xen xen 3.2.1
    xen xen 3.2.2
    xen xen 3.2.3
    xen xen 4.4.0
    xen xen 4.4.1
    debian debian linux 7.0
    novell opensuse 13.1
    novell opensuse 13.2