| Package | Affected versions | Patched versions |
|---|---|---|
| shadow | ≥ 4.0.0, ≤ 4.1.5 | |
| sudo | ≥ 1.3.0, ≤ 1.7.4 |
There is a possible tty hijacking in shadow 4.x before 4.1.5 and sudo 1.x before 1.7.4 via "su - user -c program". The user session can be escaped to the parent session by using the TIOCSTI ioctl to push characters into the input buffer to be read by the next process.
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