Vulnerability Name:

CVE-2014-3125 (CCN-92947)

Assigned:2014-05-01
Published:2014-05-01
Updated:2018-10-30
Summary:Xen 4.4.x, when running on an ARM system, does not properly context switch the CNTKCTL_EL1 register, which allows local guest users to modify the hardware timers and cause a denial of service (crash) via unspecified vectors.
CVSS v3 Severity:6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/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:6.2 Medium (CVSS v2 Vector: AV:A/AC:L/Au:S/C:N/I:P/A:C)
4.6 Medium (Temporal CVSS v2 Vector: AV:A/AC:L/Au:S/C:N/I:P/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Complete
4.7 Medium (CCN CVSS v2 Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C)
3.5 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-264
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2014-3125

Source: CCN
Type: oss-security Mailing List, Thu 01 May 2014
Xen Security Advisory 91 (CVE-2014-3125) - Hardware timer context is not properly context switched on ARM

Source: SECUNIA
Type: Vendor Advisory
58347

Source: MLIST
Type: UNKNOWN
[oss-security] 20140430 Re: Xen Security Advisory 91 - Hardware timer context is not properly context switched on ARM

Source: MLIST
Type: UNKNOWN
[oss-security] 20140430 Xen Security Advisory 91 - Hardware timer context is not properly context switched on ARM

Source: BID
Type: UNKNOWN
67157

Source: CCN
Type: BID-67157
Xen ARM 'CNTKCTL_EL1' Register Local Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1030184

Source: CONFIRM
Type: Patch, Vendor Advisory
http://xenbits.xen.org/xsa/advisory-91.html

Source: CCN
Type: XSA-91
Hardware timer context is not properly context switched on ARM

Source: XF
Type: UNKNOWN
xen-cve20143125-dos(92947)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:xen:xen:4.4.0:*:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:4.4.0:rc1:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:xen:xen:4.4.0:rc1:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:4.4.0:-:~~~~x64~:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20143125000
    V
    		CVE-2014-3125 on Ubuntu 12.04 LTS (precise) - medium.
    2014-05-02
    oval:com.ubuntu.trusty:def:20143125000
    V
    		CVE-2014-3125 on Ubuntu 14.04 LTS (trusty) - medium.
    2014-05-02
    BACK
    xen xen 4.4.0
    xen xen 4.4.0 rc1
    xen xen 4.4.0 rc1
    xen xen 4.4.0 -