c3p0 may be exploited by a Billion Laughs Attack when loading XML configuration
注入与走私 / XML Entity Expansion / #509315
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原文中的代码
import com.mchange.v2.c3p0.cfg.C3P0ConfigXmlUtils;
import java.io.InputStream;
public class C3P0PoC {
public static void main(String[] args) throws Exception {
String payload = args[0];
InputStream inputStream = C3P0PoC.class.getResourceAsStream(payload); …默认不展示报告全文。以上为简短摘录，完整复现过程请阅读原文。版权归研究员与 Central Security Project 所有。
时间线
- 报告提交
- 公开披露
阅读 HackerOne 原文 ↗作者 @amassey · 版权归作者与 Central Security Project 所有