CVE-2021-3909 · cross-distro fix matrix

CVE-2021-3909: OctoRPKI does not limit the length of a connection, allowing for a slowloris DOS attack to take place which makes OctoRPKI wait forever. Specifically, the repository that OctoRPKI sends HTTP requests to will keep the connection open for a day before a response is returned, but does keep drip feeding

Affects 3 Linux releases across 7 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-3909 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

cfrpki→ fixed in1.4.2-1~deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y cfrpki
```
fort-validator→ fixed in1.5.3-1~deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y fort-validator
```

Debian bookworm

Source: Debian Security Tracker

cfrpki→ fixed in1.4.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y cfrpki
```
fort-validator→ fixed in1.5.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y fort-validator
```
rpki-client→ fixed in7.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y rpki-client
```

Debian trixie

Source: Debian Security Tracker

fort-validator→ fixed in1.5.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y fort-validator
```
rpki-client→ fixed in7.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y rpki-client
```

Are YOU affected by CVE-2021-3909?

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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