CVE-2019-19191 · cross-distro fix matrix

CVE-2019-19191: Shibboleth Service Provider (SP) 3.x before 3.1.0 shipped a spec file that calls chown on files in a directory controlled by the service user (the shibd account) after installation. This allows the user to escalate to root by pointing symlinks to files such as /etc/shadow.

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-19191 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

shibboleth-sp→ fixed in3.1.0+dfsg1-2urgency: unimportant
```
sudo apt-get install --only-upgrade -y shibboleth-sp
```

Debian bookworm

Source: Debian Security Tracker

shibboleth-sp→ fixed in3.1.0+dfsg1-2urgency: unimportant
```
sudo apt-get install --only-upgrade -y shibboleth-sp
```

Debian trixie

Source: Debian Security Tracker

shibboleth-sp→ fixed in3.1.0+dfsg1-2urgency: unimportant
```
sudo apt-get install --only-upgrade -y shibboleth-sp
```

Are YOU affected by CVE-2019-19191?

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.

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