CVE-2021-43797
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
HTTP request smuggling in netty
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-43797
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2022:5498
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-43797.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| rocky | 8 | fixed | |
| debian | bookworm | fixed | 1:4.1.48-6 |
| debian | bullseye | fixed | 1:4.1.48-4+deb11u1 |
| debian | forky | fixed | 1:4.1.48-6 |
| debian | sid | fixed | 1:4.1.48-6 |
| debian | trixie | fixed | 1:4.1.48-6 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | io.netty:netty-codec-http | >=4.0.0,<4.1.71.Final | 4.1.71.Final |
| Maven | org.jboss.netty:netty | | |
| Maven | io.netty:netty | | |
References
- https://www.suse.com/security/cve/CVE-2021-43797.html
- https://errata.rockylinux.org/RLSA-2022:5498
- https://github.com/netty/netty/security/advisories/GHSA-wx5j-54mm-rqqq
- https://nvd.nist.gov/vuln/detail/CVE-2021-43797
- https://github.com/netty/netty/pull/11891
- https://github.com/netty/netty/commit/07aa6b5938a8b6ed7a6586e066400e2643897323
- https://github.com/netty/netty
- https://lists.debian.org/debian-lts-announce/2023/01/msg00008.html
- https://security.netapp.com/advisory/ntap-20220107-0003
- https://www.debian.org/security/2023/dsa-5316
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://security-tracker.debian.org/tracker/CVE-2021-43797
Verify integrity in audit chain (admin only). AS-IS.