CVE-2020-8597 · cross-distro fix matrix

CVE-2020-8597: eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and eap_response functions.

Affects 8 Linux releases across 11 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-8597 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

lwip→ fixed in2.1.2+dfsg1-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lwip
```
ppp→ fixed in2.4.8-1+1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ppp
```

Debian bookworm

Source: Debian Security Tracker

lwip→ fixed in2.1.2+dfsg1-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lwip
```
ppp→ fixed in2.4.8-1+1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ppp
```

Debian trixie

Source: Debian Security Tracker

lwip→ fixed in2.1.2+dfsg1-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lwip
```
ppp→ fixed in2.4.8-1+1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ppp
```

Alpine v3.20

Source: Alpine secdb

ppp→ fixed in2.4.8-r1
```
apk update && apk add --upgrade ppp
```

Alpine v3.21

Source: Alpine secdb

ppp→ fixed in2.4.8-r1
```
apk update && apk add --upgrade ppp
```

Alpine edge

Source: Alpine secdb

ppp→ fixed in2.4.8-r1
```
apk update && apk add --upgrade ppp
```

Alpine v3.18

Source: Alpine secdb

ppp→ fixed in2.4.8-r1
```
apk update && apk add --upgrade ppp
```

Alpine v3.19

Source: Alpine secdb

ppp→ fixed in2.4.8-r1
```
apk update && apk add --upgrade ppp
```

Are YOU affected by CVE-2020-8597?

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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