ID CVE-2020-5357
Summary Dell Dock Firmware Update Utilities for Dell Client Consumer and Commercial docking stations contain an Arbitrary File Overwrite vulnerability. The vulnerability is limited to the Dell Dock Firmware Update Utilities during the time window while being executed by an administrator. During this time window, a locally authenticated low-privileged malicious user could exploit this vulnerability by tricking an administrator into overwriting arbitrary files via a symlink attack. The vulnerability does not affect the actual binary payload that the update utility delivers.
References
Vulnerable Configurations
  • cpe:2.3:o:dell:dock_wd15_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:dell:dock_wd15_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:dell:dock_wd15:-:*:*:*:*:*:*:*
    cpe:2.3:h:dell:dock_wd15:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dell:dock_wd19_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:dell:dock_wd19_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:dell:dock_wd19:-:*:*:*:*:*:*:*
    cpe:2.3:h:dell:dock_wd19:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dell:thunderbolt_dock_tb16_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:dell:thunderbolt_dock_tb16_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:dell:thunderbolt_dock_tb16:-:*:*:*:*:*:*:*
    cpe:2.3:h:dell:thunderbolt_dock_tb16:-:*:*:*:*:*:*:*
  • cpe:2.3:o:dell:precision_dual_usb-c_thunderbolt_dock_-_tb18dc_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:dell:precision_dual_usb-c_thunderbolt_dock_-_tb18dc_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:dell:precision_dual_usb-c_thunderbolt_dock_-_tb18dc:-:*:*:*:*:*:*:*
    cpe:2.3:h:dell:precision_dual_usb-c_thunderbolt_dock_-_tb18dc:-:*:*:*:*:*:*:*
CVSS
Base: 2.6 (as of 29-05-2020 - 20:02)
Impact:
Exploitability:
CWE CWE-427
CAPEC
  • Leveraging/Manipulating Configuration File Search Paths
    This pattern of attack sees an adversary load a malicious resource into a program's standard path so that when a known command is executed then the system instead executes the malicious component. The adversary can either modify the search path a program uses, like a PATH variable or classpath, or they can manipulate resources on the path to point to their malicious components. J2EE applications and other component based applications that are built from multiple binaries can have very long list of dependencies to execute. If one of these libraries and/or references is controllable by the attacker then application controls can be circumvented by the attacker.
  • Search Order Hijacking
    An adversary exploits a weakness in an application's specification of external libraries to exploit the functionality of the loader where the process loading the library searches first in the same directory in which the process binary resides and then in other directories. Exploitation of this preferential search order can allow an attacker to make the loading process load the adversary's rogue library rather than the legitimate library. This attack can be leveraged with many different libraries and with many different loading processes. No forensic trails are left in the system's registry or file system that an incorrect library had been loaded.
Access
VectorComplexityAuthentication
LOCAL HIGH NONE
Impact
ConfidentialityIntegrityAvailability
NONE PARTIAL PARTIAL
cvss-vector via4 AV:L/AC:H/Au:N/C:N/I:P/A:P
refmap via4
misc https://www.dell.com/support/article/SLN321564
Last major update 29-05-2020 - 20:02
Published 28-05-2020 - 20:15
Last modified 29-05-2020 - 20:02
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