Advisory Details

March 31st, 2020

IBM Spectrum Protect Plus uploadLdapCertificate Command Injection Remote Code Execution Vulnerability

ZDI-20-347
ZDI-CAN-9957

CVE ID CVE-2020-4242
CVSS SCORE 8.8, AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS IBM
AFFECTED PRODUCTS Spectrum Protect Plus
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code 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. When parsing the filename parameter, the uploadLdapCertificate method does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root.

ADDITIONAL DETAILS IBM has issued an update to correct this vulnerability. More details can be found at:
https://www.ibm.com/support/pages/node/6114130
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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