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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade sudoUpgrade shadow | Jul 30, 2024 | Nov 4, 2019 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Nov 4, 2019 |
| Suse | — | Upgrade coreutilsUpgrade coreutils-x86Upgrade coreutils-debuginfo-x86Upgrade coreutils-debuginfoUpgrade coreutils-debugsourceUpgrade coreutils-lang | Dec 12, 2013 | Dec 10, 2013 |
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