Advisory Details

August 10th, 2020

Marvell QConvergeConsole getFileUploadBytes Directory Traversal Information Disclosure Vulnerability

ZDI-20-968
ZDI-CAN-10497

CVE ID CVE-2020-15640
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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