CVE-2022-0543: Debian-specific Redis Server Lua Sandbox Escape Vulnerability

CVE-2022-0543 · Severity: critical · CVSS 10 · Exploited in the wild · Published 2022-03-28

A packaging issue in Debian-specific Redis builds allows for a Lua sandbox escape. This vulnerability enables remote attackers to execute arbitrary code on the host system via the Redis Lua interpreter.

Vendors: Redis.

Quick answers

Is CVE-2022-0543 exploited in the wild?
Yes. CVE-2022-0543 is known to be exploited in the wild, first recorded on 28 March 2022. Treat it as urgent.
How severe is CVE-2022-0543?
Critical severity, with a CVSS score of 10, published 28 March 2022.
Which products and versions are affected?
Debian Redis Server 9.0, 10.0, 11.0; Canonical Ubuntu Linux 20.04, 21.10.
Is there a fix for CVE-2022-0543?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2022-0543 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2022-0543?
Check whether you run Redis Debian-Specific Redis Servers. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Debian Redis Server 9.0, 10.0, 11.0
  • Canonical Ubuntu Linux 20.04, 21.10

Timeline

  • 2022-01-20: disclosed: Initial discovery/post by Ubercomp
  • 2022-03-28: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2022-03-28: advisory: NVD publication date
  • 2022-03-28: exploited: Confirmed exploited in the wild per CISA KEV catalog

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