Vulnerability Name:

CVE-2017-17046 (CCN-132787)

Assigned:2017-09-28
Published:2017-09-28
Updated:2018-10-19
Summary:An issue was discovered in Xen through 4.9.x on the ARM platform allowing guest OS users to obtain sensitive information from DRAM after a reboot, because disjoint blocks, and physical addresses that do not start at zero, are mishandled.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/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): High
Integrity (I): None
Availibility (A): None
4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
3.5 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/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): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2017-17046

Source: CCN
Type: Xen Security Advisory XSA-245
ARM: Some memory not scrubbed at boot

Source: XF
Type: UNKNOWN
xen-dram-info-disc(132787)

Source: MLIST
Type: UNKNOWN
[debian-lts-announce] 20181018 [SECURITY] [DLA 1549-1] xen security update

Source: GENTOO
Type: UNKNOWN
GLSA-201801-14

Source: CONFIRM
Type: Issue Tracking, Patch, Vendor Advisory
https://xenbits.xen.org/xsa/advisory-245.html

Vulnerable Configuration:Configuration 1:
  • cpe:/o:xen:xen:*:*:*:*:*:*:*:* (Version <= 4.9.1)

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

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:2017170460000000
    V
    		CVE-2017-17046 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-11-28
    oval:com.ubuntu.artful:def:201717046000
    V
    		CVE-2017-17046 on Ubuntu 17.10 (artful) - medium.
    2017-11-28
    oval:com.ubuntu.xenial:def:201717046000
    V
    		CVE-2017-17046 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-11-28
    oval:com.ubuntu.disco:def:2017170460000000
    V
    		CVE-2017-17046 on Ubuntu 19.04 (disco) - medium.
    2017-11-28
    oval:com.ubuntu.bionic:def:201717046000
    V
    		CVE-2017-17046 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-11-28
    oval:com.ubuntu.cosmic:def:2017170460000000
    V
    		CVE-2017-17046 on Ubuntu 18.10 (cosmic) - medium.
    2017-11-28
    oval:com.ubuntu.cosmic:def:201717046000
    V
    		CVE-2017-17046 on Ubuntu 18.10 (cosmic) - medium.
    2017-11-28
    oval:com.ubuntu.bionic:def:2017170460000000
    V
    		CVE-2017-17046 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-11-28
    oval:com.ubuntu.trusty:def:201717046000
    V
    		CVE-2017-17046 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-11-28
    BACK
    xen xen *
    xensource xen *