CVE-2022-0543

Redis Debian-specific Redis Servers: Debian-specific Redis Server Lua Sandbox Escape

As of , CVE-2022-0543 in Redis Debian-specific Redis Servers is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 28 March 2022
US federal deadline
18 April 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.99Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.54 on 28 March 2022EPSS on the day CISA listed it.
Public exploit
1 Metasploit module
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Redis is prone to a (Debian-specific) Lua sandbox escape, which could result in remote code execution.

CISA's 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.

The CVE record's description, from debian

CVE published
18 February 2022
Assigned by
debian
CVSS
10.0 Critical (CVSS 3.1, from CISA-ADP)
CWE-862
Missing Authorization
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Public exploits

Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.

  • Metasploit: Redis Lua Sandbox Escapeexploit module, rank excellent

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