Vulnerability Name:

CVE-2014-8867

Assigned:2014-11-14
Published:2014-11-27
Updated:2016-12-21
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:6.2 Medium (CCN CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
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): 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
5.2 Medium (REDHAT CVSS v2 Vector: AV:A/AC:M/Au:S/C:N/I:N/A: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
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html

Source: SUSE
Type: VENDOR_ADVISORY
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html

Source: REDHAT
Type: VENDOR_ADVISORY
http://rhn.redhat.com/errata/RHSA-2015-0783.html

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

Source: DEBIAN
Type: VENDOR_ADVISORY
http://www.debian.org/security/2015/dsa-3140

Source: BID
Type: VENDOR_ADVISORY
71331

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

Source: GENTOO
Type: UNKNOWN
https://security.gentoo.org/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:novell:opensuse:13.2:*:*:*:*:*:*:*
  • OR cpe:/o:novell:opensuse:13.1:*:*:*:*:*:*:*

  • 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
    2017-09-25
    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 13.2
    novell opensuse 13.1
    redhat enterprise_linux 5