Advisory Details

March 31st, 2020

IBM Spectrum Protect Plus uploadHttpsCertificate Directory Traversal File Creation Vulnerability

ZDI-20-345
ZDI-CAN-9952

CVE ID CVE-2020-4209
CVSS SCORE 5.4, AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
AFFECTED VENDORS IBM
AFFECTED PRODUCTS Spectrum Protect Plus
VULNERABILITY DETAILS

This vulnerability allows remote attackers to create arbitrary files on affected installations of IBM Spectrum Protect Plus. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.

The specific flaw exists within the Administrative Console Framework service. 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 create files in the context of an administrator.

ADDITIONAL DETAILS IBM has issued an update to correct this vulnerability. More details can be found at:
https://www.ibm.com/support/pages/node/6116488
DISCLOSURE TIMELINE
  • 2019-12-12 - Vulnerability reported to vendor
  • 2020-03-31 - Coordinated public release of advisory
CREDIT KPC of Trend Micro Zero Day Initiative
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