Actively exploited · Published Feb 18, 2022 · Assigned by debian

CVE-2022-0543

Critical 10.0 Exploited

In plain English

A critical-severity missing authorization in redis from Debian. Attackers are actively exploiting it in the wild (listed by CISA on March 28, 2022). The chance it is exploited in the next 30 days is estimated at 99.4% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)10.0Critical

Exploit odds (30 days)99.4%top 0.1% of all CVEs

Exploited in the wildYesCISA KEV since Mar 28, 2022

Attack tooling3Metasploit, Nuclei, Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Apr 18, 2022.

Official description

It was discovered, that redis, a persistent key-value database, due to a packaging issue, is prone to a (Debian-specific) Lua sandbox escape, which could result in remote code execution.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Debian:12	redis	5:6.0.16-2	DEBIAN-CVE-2022-0543
Debian:13	redis	5:6.0.16-2	DEBIAN-CVE-2022-0543
Debian:14	redis	5:6.0.16-2	DEBIAN-CVE-2022-0543

Affected products (as reported)

Vendor	Product	Versions
Debian	redis	n/a

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

https://bugs.debian.org/1005787 x_refsource_MISC
https://www.ubercomp.com/posts/2022-01-20_redis_on_debian_rce x_refsource_MISC
[debian-security-announce] 20220218 [SECURITY] [DSA 5081-1] redis security update mailing-list, x_refsource_MLIST
DSA-5081 vendor-advisory, x_refsource_DEBIAN
https://security.netapp.com/advisory/ntap-20220331-0004/ x_refsource_CONFIRM
http://packetstormsecurity.com/files/166885/Redis-Lua-Sandbox-Escape.html x_refsource_MISC
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0543 government-resource