Micro Focus Secure Messaging Gateway manage_domains_save_data SaveData Command Injection Remote Code Execution Vulnerability

August 10th, 2020
ZDI-20-977 ZDI-CAN-10333

CVE ID

CVSS Score

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

Affected Vendors

Micro Focus

Affected Products

Secure Messaging Gateway

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Micro Focus Secure Messaging Gateway. Authentication is required to exploit this vulnerability.

The specific flaw exists within manage_domains_save_data.php. When parsing the SaveData parameter, the process 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 the www-data user.

Additional Details

Micro Focus has issued an update to correct this vulnerability. More details can be found at:
https://support.microfocus.com/kb/doc.php?id=7024775

Disclosure Timeline

  • 2020-03-03 - Vulnerability reported to vendor
  • 2020-08-10 - Coordinated public release of advisory
  • 2021-06-29 - Advisory Updated

Credit

Mehmet D. INCE @mdisec from T0.group

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