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CVE-2005-4890 · cross-distro fix matrix

CVE-2005-4890: 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.

Affects 3 Linux releases across 6 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2005-4890 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • shadow→ fixed in1:4.1.5-1urgency: low
    sudo apt-get install --only-upgrade -y shadow
  • sudo→ fixed in1.7.4p4urgency: low
    sudo apt-get install --only-upgrade -y sudo

Debian bookworm

Source: Debian Security Tracker

  • shadow→ fixed in1:4.1.5-1urgency: low
    sudo apt-get install --only-upgrade -y shadow
  • sudo→ fixed in1.7.4p4urgency: low
    sudo apt-get install --only-upgrade -y sudo

Debian trixie

Source: Debian Security Tracker

  • shadow→ fixed in1:4.1.5-1urgency: low
    sudo apt-get install --only-upgrade -y shadow
  • sudo→ fixed in1.7.4p4urgency: low
    sudo apt-get install --only-upgrade -y sudo
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