Vulnerability Name:

CVE-2017-15589

Assigned:2017-10-18
Published:2017-10-18
Updated:2017-11-14
Summary:An issue was discovered in Xen through 4.9.x allowing x86 HVM guest OS users to obtain sensitive information from the host OS (or an arbitrary guest OS) because intercepted I/O operations can cause a write of data from uninitialized hypervisor stack memory.
CVSS v3 Severity:6.5 Medium (CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N)
5.7 Medium (Temporal CVSS v3 Vector: CVSS:3.0/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
7.1 High (CCN CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N)
6.2 Medium (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/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): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
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
References:Source: BID
Type: VENDOR_ADVISORY
101496

Source: SECTRACK
Type: VENDOR_ADVISORY
1039568

Source: XF
Type: UNKNOWN
xen-intercept-code-info-disc(133335)

Source: CONFIRM
Type: UNKNOWN
https://support.citrix.com/article/CTX228867

Source: CONFIRM
Type: VENDOR_ADVISORY
https://xenbits.xen.org/xsa/advisory-239.html

Vulnerable Configuration:Configuration 1:
  • cpe:/o:xen:xen:4.9.0:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:201715589
    V
    CVE-2017-15589
    2017-11-19
    oval:com.ubuntu.xenial:def:201715589000
    V
    CVE-2017-15589 on Ubuntu 16.04 LTS (xenial) - untriaged.
    2017-10-18
    oval:com.ubuntu.trusty:def:201715589000
    V
    CVE-2017-15589 on Ubuntu 14.04 LTS (trusty) - untriaged.
    2017-10-18
    BACK
    xen xen 4.9.0