Description
A weakness has been identified in EyouCMS up to 1.7.1/5.0. Impacted is the function check_userinfo of the file Diyajax.php of the component Member Avatar Handler. Executing a manipulation of the argument viewfile can lead to unrestricted upload. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | EyouCMS | 1.7.0, 1.7.1, 5.0 | — |
References
- VDB-341699 | EyouCMS Member Avatar Diyajax.php check_userinfo unrestricted upload vdb-entry technical-description
- VDB-341699 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- Submit #731540 | Hainan Zanzan Network Technology Co. Eyoucms <=1.7.1 causing code execution due to file inclusion third-party-advisory
- https://github.com/24-2021/vul3/blob/main/Eyoucms/Eyoucms%3D1.7.1%20check_userinfo%20api%20viewfile%20exists%2C%20causing%20code%20execution%20due%20to%20file%20inclusion.md broken-link
- https://github.com/24-2021/vul3/blob/main/Eyoucms/Eyoucms%3D1.7.1%20check_userinfo%20api%20viewfile%20exists%2C%20causing%20code%20execution%20due%20to%20file%20inclusion.md#poc broken-link exploit