| Título | java-json-tools jackson-coreutils 2.0 SSRF + BigDecimal Amplification Remote DoS |
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| Descrição | SSRF + BigDecimal Amplification Remote DoS Chain via fromURL() and WRITE_BIGDECIMAL_AS_PLAIN
The combination of JsonLoader.fromURL() (which performs no URL validation) and the default WRITE_BIGDECIMAL_AS_PLAIN configuration in JacksonUtils.newMapper() creates a remote denial-of-service chain. An attacker-controlled URL can serve a tiny JSON payload (e.g., {"x": 1e2000000000}) that expands to ~2GB in memory when serialized via BigDecimal.toPlainString(), causing OutOfMemoryError. |
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| Fonte | ⚠️ https://github.com/java-json-tools/jackson-coreutils/issues/64 |
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| Utilizador | York Shen - Yong Shen - PayPal Cyber Security Team (UID 100171) |
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| Submissão | 29/07/2026 06h48 (há 1 mês) |
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| Moderação | 07/09/2026 07h45 (1 month later) |
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| Estado | Aceite |
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| Entrada VulDB | 399511 [java-json-tools jackson-coreutils 2.0 URL Validation JsonLoader.java JsonLoader.fromURL Elevação de Privilégios] |
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| Pontos | 20 |
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