Advisory Details

August 10th, 2020

Marvell QConvergeConsole writeObjectToConfigFile Directory Traversal Remote Code Execution Vulnerability

ZDI-20-974
ZDI-CAN-10565

CVE ID CVE-2020-17387
CVSS SCORE 8.8, (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
AFFECTED VENDORS Marvell
AFFECTED PRODUCTS QConvergeConsole
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Marvell QConvergeConsole. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.

The specific flaw exists within the writeObjectToConfigFile method of the GWTTestServiceImpl class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.

ADDITIONAL DETAILS Marvell has issued an update to correct this vulnerability. More details can be found at:
https://www.marvell.com/content/dam/marvell/en/public-collateral/fibre-channel/marvell-fibre-channel-security-advisory-2020-07.pdf
DISCLOSURE TIMELINE
  • 2020-04-01 - Vulnerability reported to vendor
  • 2020-08-10 - Coordinated public release of advisory
CREDIT rgod
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