Vulnerability Name:

CVE-2014-1666

Assigned:2014-01-24
Published:2014-01-26
Updated:2017-11-14
Summary:The do_physdev_op function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the (1) PHYSDEVOP_prepare_msix and (2) PHYSDEVOP_release_msix operations, which allows local PV guests to cause a denial of service (host or guest malfunction) or possibly gain privileges via unspecified vectors.
CVSS v3 Severity:9.6 Critical (CCN CVSS v3 Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:8.3 High (CVSS v2 Vector: AV:A/AC:L/Au:N/C:C/I:C/A:C)
6.2 Medium (Temporal CVSS v2 Vector: AV:A/AC:L/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.4 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/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): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-264
References:Source: FEDORA
Type: UNKNOWN
FEDORA-2014-1552

Source: SUSE
Type: UNKNOWN
SUSE-SU-2014:0372

Source: SUSE
Type: UNKNOWN
SUSE-SU-2014:0373

Source: GENTOO
Type: UNKNOWN
GLSA-201407-03

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

Source: MLIST
Type: UNKNOWN
[oss-security] 20140123 Xen Security Advisory 87 (CVE-2014-1666) - PHYSDEVOP_{prepare,release}_msix exposed to unprivileged guests

Source: BID
Type: UNKNOWN
65125

Source: SECTRACK
Type: UNKNOWN
1029684

Source: CONFIRM
Type: UNKNOWN
http://xenbits.xen.org/xsa/advisory-87.html

Source: MISC
Type: VENDOR_ADVISORY
http://xenbits.xen.org/xsa/xsa87-unstable-4.3.patch

Source: XF
Type: UNKNOWN
xen-cve20141666-priv-esc(90675)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:xen:xen:4.1.5:*:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:4.1.6.1:*:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:4.2.2:*:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:4.2.3:*:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:4.3.0:*:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:4.3.1:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20141666
    V
    CVE-2014-1666
    2017-11-19
    oval:org.mitre.oval:def:25302
    P
    SUSE-SU-2014:0372-1 -- Security update for Xen
    2014-09-08
    oval:org.mitre.oval:def:25390
    P
    SUSE-SU-2014:0373-1 -- Security update for Xen
    2014-09-08
    oval:com.ubuntu.precise:def:20141666000
    V
    CVE-2014-1666 on Ubuntu 12.04 LTS (precise) - medium.
    2014-01-26
    BACK
    xen xen 4.1.5
    xen xen 4.1.6.1
    xen xen 4.2.2
    xen xen 4.2.3
    xen xen 4.3.0
    xen xen 4.3.1