CVE-2013-4331 · cross-distro fix matrix

CVE-2013-4331: Light Display Manager (aka LightDM) 1.4.x before 1.4.3, 1.6.x before 1.6.2, and 1.7.x before 1.7.14 uses 0664 permissions for the temporary .Xauthority file, which allows local users to obtain sensitive information by reading the file.

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

Fix per ecosystem

Each block below is a distro release where CVE-2013-4331 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

lightdm→ fixed in1.6.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lightdm
```

Debian bookworm

Source: Debian Security Tracker

lightdm→ fixed in1.6.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lightdm
```

Debian trixie

Source: Debian Security Tracker

lightdm→ fixed in1.6.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lightdm
```

Are YOU affected by CVE-2013-4331?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

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