Gxlcms QY 1.0.0713 UploadAction.class.php upload change the config[upload_class] code injection

Summaryinfo

A vulnerability labeled as critical has been found in Gxlcms QY 1.0.0713. This impacts the function Upload of the file Lib\Lib\Action\Admin\UploadAction.class.php. Such manipulation of the argument change the config[upload_class] leads to code injection. This vulnerability is documented as CVE-2018-9848. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Gxlcms QY 1.0.0713 and classified as critical. Affected by this issue is the function upload of the file Lib\Lib\Action\Admin\UploadAction.class.php. The manipulation of the argument change the config[upload_class] with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In Gxlcms QY v1.0.0713, the upload function in Lib\Lib\Action\Admin\UploadAction.class.php allows remote attackers to execute arbitrary PHP code by first using an Admin-Admin-Configsave request to change the config[upload_class] value from jpg,gif,png,jpeg to jpg,gif,png,jpeg,php and then making an Admin-Upload-Upload request.

The bug was discovered 04/07/2018. The weakness was released 04/07/2018 (Website). The advisory is shared for download at atksec.com. This vulnerability is handled as CVE-2018-9848 since 04/07/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.

By approaching the search of inurl:Lib\Lib\Action\Admin\UploadAction.class.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-115919, VDB-115918, VDB-115917 and VDB-115915. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• Gxlcms QY

Version

• 1.0.0713

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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