| Название | antlr ANTLR4 4.13.2 Code Injection |
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| Описание | ANTLR4 grammar files (.g4) support embedded action blocks — @header { }, @members { }, @init { }, @after { }, and inline { } actions — that are injected verbatim and without sanitization into the generated source code. Any system that accepts .g4 files from untrusted sources and compiles/executes the generated output is fully compromised. The attack requires no special privileges; a single .g4 file causes Remote Code Execution upon class loading. |
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| Источник | ⚠️ https://github.com/wooyun123/wooyun/issues/4 |
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| Пользователь | jiazhou (UID 89028) |
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| Представление | 27.05.2026 10:49 (1 месяц назад) |
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| Модерация | 27.06.2026 20:28 (1 month later) |
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| Статус | принято |
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| Запись VulDB | 374495 [antlr ANTLR4 до 4.13.2 Grammar Action Block OutputFile.java эскалация привилегий] |
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| Баллы | 20 |
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