Shulou(Shulou.com)05/31 Report--

Today, I will talk to you about how to carry out CVE-2021-3129 vulnerability analysis, many people may not know much about it. In order to make you understand better, the editor has summarized the following contents for you. I hope you can get something according to this article.

Preface of 0x00

The CVE-2021-3129 vulnerability is very similar to hitcon2018's One Line PHP Challenge, so I went to see it.

Pass in the orange parameter through Get as the file name, and the system matches the first six characters of the file with @

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