Marvell QConvergeConsole getFileUploadBytes Directory Traversal Information Disclosure Vulnerability

August 10th, 2020
ZDI-20-969 ZDI-CAN-10499

CVE ID

CVE-2020-15641

CVSS Score

7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors

Marvell

Affected Products

QConvergeConsole

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Marvell QConvergeConsole. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the getFileUploadBytes method of the FlashValidatorServiceImpl 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 disclose stored credentials, leading to further compromise.

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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