CVE-2021-3524 · cross-distro fix matrix

CVE-2021-3524: A flaw was found in the Red Hat Ceph Storage RadosGW (Ceph Object Gateway) in versions before 14.2.21. The vulnerability is related to the injection of HTTP headers via a CORS ExposeHeader tag. The newline character in the ExposeHeader tag in the CORS configuration file generates a header injection

Affects 4 Linux releases across 4 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-3524 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

ceph→ fixed in14.2.21-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ceph
```

Debian bookworm

Source: Debian Security Tracker

ceph→ fixed in14.2.21-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ceph
```

Debian trixie

Source: Debian Security Tracker

ceph→ fixed in14.2.21-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ceph
```

Alpine v3.18

Source: Alpine secdb

ceph16→ fixed in16.2.4-r0
```
apk update && apk add --upgrade ceph16
```

Are YOU affected by CVE-2021-3524?

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