Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
High
Attack Vector
Local
0

CVE-2016-9379

Disclosure Date: January 23, 2017
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes and S-expressions in the bootloader configuration file.

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CVSS V3 Severity and Metrics
Base Score:
7.9 High
Impact Score:
5.8
Exploitability Score:
1.5
Vector:
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
None

General Information

Vendors

  • citrix,
  • xen

Products

  • xen,
  • xenserver 6.0.2,
  • xenserver 6.2.0,
  • xenserver 6.5,
  • xenserver 7.0
Technical Analysis