Fujitsu ETERNUS CentricStor CS8000 up to 8.1A SP02 P03 grel.php grel_finfo user/pw/file os command injection

Summaryinfo

A vulnerability described as critical has been identified in Fujitsu ETERNUS CentricStor CS8000 up to 8.1A SP02 P03. This affects the function grel_finfo of the file grel.php. Such manipulation of the argument user/pw/file leads to os command injection. This vulnerability is traded as CVE-2022-31795. The attack may be launched remotely. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Fujitsu ETERNUS CentricStor CS8000 up to 8.1A SP02 P03 and classified as critical. Affected by this issue is the function grel_finfo of the file grel.php. The manipulation of the argument user/pw/file with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered on Fujitsu ETERNUS CentricStor CS8000 (Control Center) devices before 8.1A SP02 P04. The vulnerability resides in the grel_finfo function in grel.php. An attacker is able to influence the username (user), password (pw), and file-name (file) parameters and inject special characters such as semicolons, backticks, or command-substitution sequences in order to force the application to execute arbitrary commands.

The weakness was shared 06/20/2022. The advisory is shared for download at research.nccgroup.com. This vulnerability is handled as CVE-2022-31795 since 05/29/2022. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1202.

By approaching the search of inurl:grel.php it is possible to find vulnerable targets with Google Hacking.

Applying the patch 8.1A SP02 P04 is able to eliminate this problem.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Fujitsu

Name

• ETERNUS CentricStor CS8000

Version

• 8.1A SP02 P03

License

• commercial

CPE 2.3info

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CPE 2.2info

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