ZhongBangKeJi CRMEB 3.1.0+ UploadService.php Getshell unrestricted upload

Summaryinfo

A vulnerability marked as critical has been reported in ZhongBangKeJi CRMEB 3.1.0+. Affected is the function Getshell of the file /crmeb/crmeb/services/UploadService.php. This manipulation causes unrestricted upload. This vulnerability is tracked as CVE-2020-21787. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in ZhongBangKeJi CRMEB 3.1.0+. Affected by this vulnerability is the function Getshell of the file /crmeb/crmeb/services/UploadService.php. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 06/24/2021. The advisory is shared at gitee.com. This vulnerability is known as CVE-2020-21787. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

By approaching the search of inurl:crmeb/crmeb/services/UploadService.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.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• ZhongBangKeJi

Name

• CRMEB

Version

• 3.1.0+

Website

• Product: https://gitee.com/ZhongBangKeJi/CRMEB/

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CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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