| tiêu đề | https://github.com/crmeb/crmeb_java crmeb_java v1.4 Server -Side Request Forgery |
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| Mô tả | SSRF in CRMEB-Java v1.4 via /api/front/qrcode/base64
A Server-Side Request Forgery (SSRF) vulnerability exists in CRMEB-Java v1.4 within the /api/front/qrcode/base64 endpoint. Due to a misconfiguration in the authentication interceptor (WebConfig), this specific path is whitelisted, allowing remote attackers to access it without any credentials. The endpoint accepts a url parameter and passes it directly to RestTemplate.getForEntity() without proper validation. Attackers can exploit this flaw to force the server into initiating arbitrary HTTP requests, enabling internal network probing (e.g., MySQL, Redis), port scanning, or cloud metadata extraction. |
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| Nguồn | ⚠️ https://github.com/crmeb/crmeb_java/issues/35 |
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| Người dùng | mukyuuhate (UID 93052) |
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| Đệ trình | 16/05/2026 06:48 (cách đây 5 các tháng) |
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| Kiểm duyệt | 03/06/2026 17:42 (18 days later) |
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| Trạng thái | được chấp nhận |
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| Mục VulDB | 368137 [crmeb crmeb_java 1.4 base64 Qrcode Endpoint RestTemplateUtil.java RestTemplate.getForEntity url nâng cao đặc quyền] |
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| điểm | 20 |
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