Vulnerability Name:

CCN-109029

Published:2015-12-17
Updated:2015-12-17
Summary:Xen could allow a local attacker to gain elevated privileges on the system, caused by the failure to take special precaution by the hypervisor code when handling I/O requests. An attacker could exploit this vulnerability to gain elevated privileges on the system, obtain sensitive information and cause the host to crash.
CVSS v3 Severity:5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/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): Low
Availibility (A): Low
CVSS v2 Severity:4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
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 Consequences:Gain Privileges
References:Source: CCN
Type: Xen Security Advisory XSA-166
ioreq handling possibly susceptible to multiple read issue

Source: XF
Type: UNKNOWN
xen-ioreq-priv-esc(109029)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:xensource:xen:4.1:*:*:*:*:*:*:*
  • OR cpe:/a:xensource:xen:4.5:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    xensource xen 4.1
    xensource xen 4.5