{"id":9947,"date":"2014-09-26T13:40:41","date_gmt":"2014-09-26T05:40:41","guid":{"rendered":"https:\/\/blog.trendmicro.com.tw\/?p=9947"},"modified":"2014-09-26T14:07:05","modified_gmt":"2014-09-26T06:07:05","slug":"%e9%97%9c%e6%96%bc-shellshock-bash-%e6%bc%8f%e6%b4%9e-%e4%bd%a0%e8%a9%b2%e7%9f%a5%e9%81%93%e7%9a%84%e4%ba%8b","status":"publish","type":"post","link":"https:\/\/blog.trendmicro.com.tw\/?p=9947","title":{"rendered":"\u95dc\u65bc Shellshock (bash \u6f0f\u6d1e) \u4f60\u8a72\u77e5\u9053\u7684\u4e8b"},"content":{"rendered":"

\"red<\/a><\/p>\n

Shellshock<\/strong>\u6f0f\u6d1e<\/strong><\/p>\n

\u672c\u9031\u53c8\u51fa\u73fe\u4e00\u500b\u9700\u8981\u7acb\u5373\u8655\u7406\u4e14\u5f71\u97ff\u5ee3\u6cdb\u7684\u91cd\u5927\u6f0f\u6d1e\uff0c\u6216\u8a31\uff0c\u751a\u81f3\u6bd4 Heartbleed\u5fc3\u6dcc\u8840\u6f0f\u6d1e<\/a>\u7684\u5f71\u97ff\u7bc4\u570d\u66f4\u5927\uff0c\u90a3\u5c31\u662fShellshock<\/a>\uff0c\u800c\u53d7\u5f71\u97ff\u7684\u5247\u662f\u4e00\u500b\u540d\u70ba\u300cbash\u300d\u7684\u958b\u653e\u539f\u59cb\u78bc\u7a0b\u5f0f\u3002<\/p>\n

bash\u662f\u4e00\u500b\u6307\u4ee4\u5217\u4ecb\u9762\u7a0b\u5f0f (shell)\uff0c\u5ee3\u6cdb\u5b58\u5728\u65bc Linux\u3001BSD \u548c Mac OS X \u4f5c\u696d\u7cfb\u7d71\uff0c\u6f0f\u6d1e\u8a73\u60c5\u8acb\u53c3\u95b1 CVE\u20132014\u20137169<\/a>\u3002<\/p>\n

\u6211\u5011\u8a72\u95dc\u6ce8\u7684\u662f\uff0c\u9019\u500b\u6f0f\u6d1e\u7684\u5b58\u5728\u975e\u5e38\u666e\u904d\uff0c\u6f5b\u5728\u7684\u640d\u5bb3\u4e5f\u5f88\u56b4\u91cd\uff0c\u800c\u4e14\u4e0d\u9700\u4ec0\u9ebc\u9ad8\u6df1\u6280\u8853\u5c31\u80fd\u52a0\u4ee5\u5229\u7528\u3002\u7531\u65bc\u7db2\u969b\u7db2\u8def\u4e0a\u4e00\u534a\u4ee5\u4e0a\u7684\u4f3a\u670d\u5668\u4ee5\u53ca Android \u624b\u6a5f\u548c\u7269\u806f\u7db2 (IoT) \u88dd\u7f6e\u90fd\u662f\u4ee5 Linux \u7cfb\u7d71\u70ba\u57fa\u790e\uff0c\u56e0\u6b64\u53ef\u60f3\u800c\u77e5\u5176\u5f71\u97ff\u7bc4\u570d\u4e4b\u5ee3\u3002<\/p>\n

\u4e0d\u4f46\u5982\u6b64\uff0c\u7531\u65bc Bitcoin \u6838\u5fc3<\/a>\u662f\u5229\u7528 bash \u4f86\u63a7\u5236\u7684\uff0c\u56e0\u6b64\u9019\u500b\u6f0f\u6d1e\u4e5f\u6703\u5f71\u97ff\u6bd4\u7279\u5e63\u958b\u63a1\u8005\u4ee5\u53ca\u5176\u5b83\u6bd4\u7279\u5e63\u76f8\u95dc\u7cfb\u7d71\uff0c\u9019\u7576\u7136\u4e5f\u4f7f\u5f97\u4ed6\u5011\u6210\u70ba\u6b79\u5f92\u975e\u5e38\u89ac\u89a6\u7684\u653b\u64ca\u76ee\u6a19\u3002<\/p>\n

\u8da8\u52e2\u79d1\u6280<\/a>\u5df2\u7d93\u5728\u7db2\u8def\u4e0a\u898b\u5230\u4e00\u4e9b\u653b\u64ca\u6848\u4f8b<\/a>\u3002<\/p>\n

\u4fee\u88dc\u7a0b\u5f0f<\/strong><\/p>\n

\u67d0\u4e9b Linux \u767c\u884c\u7248\u672c\u5df2\u91cb\u51fa\u4fee\u88dc\u7a0b\u5f0f\u4f86\u66ab\u6642\u89e3\u6c7a\u6b64\u6f0f\u6d1e\u7684\u90e8\u5206\u554f\u984c\uff0c\u8da8\u52e2\u79d1\u6280<\/a>\u5efa\u8b70\u5927\u5bb6\u76e1\u5feb\u90e8\u7f72\u9019\u4e9b\u4fee\u88dc\u7a0b\u5f0f\uff0c\u4e26\u4e14\u96a8\u6642\u6ce8\u610f\u958b\u767c\/\u7814\u7a76\u4eba\u54e1\u4f55\u6642\u91cb\u51fa\u53e6\u4e00\u6ce2\u4fee\u88dc\u7a0b\u5f0f\u4f86\u5fb9\u5e95\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u81f3\u65bc Android \u624b\u6a5f\u548c\u5176\u4ed6\u88dd\u7f6e\uff0c\u5247\u8981\u770b\u751f\u7522\u7684\u5ee0\u5546\u662f\u5426\u91cb\u51fa\u4fee\u88dc\u7a0b\u5f0f\u3002<\/p>\n

\u7a7a\u7a97\u671f<\/strong><\/p>\n

\u5f9e\u6f0f\u6d1e\u4fee\u88dc\u7a0b\u5f0f\u91cb\u51fa\u5230\u4fee\u88dc\u7a0b\u5f0f\u9806\u5229\u5b8c\u5168\u90e8\u7f72\u5230\u4f60\u7684\u74b0\u5883\uff0c\u9019\u4e4b\u9593\u7e3d\u662f\u6703\u6709\u4e00\u6bb5\u7a7a\u7a97\u671f\u3002<\/p>\n

\u9019\u5c31\u662f\u88dc\u5f37\u6027\u5b89\u5168\u6a5f\u5236\u767c\u63ee\u4f5c\u7528\u7684\u6642\u523b\u3002\u91dd\u5c0d\u6b64\u6b21\u7684\u6848\u4f8b\uff0c\u4f60\u61c9\u8a72\u64c1\u6709\u4e00\u5957\u5165\u4fb5\u9632\u8b77 (IPS) \u6216\u662f\u5176\u4ed6\u7db2\u8def\u5c64\u7684\u7d93\u9a57\u5f0f\u9632\u79a6\u6a5f\u5236\u4f86\u76e3\u63a7\u4f60\u4e3b\u6a5f\u6240\u6536\u5230\u7684\u7db2\u8def\u6d41\u91cf\u3002<\/p>\n

\u4e3b\u6a5f\u5f0f\u9632\u8b77\u53ef\u76e3\u63a7\u9032\u51fa\u4f60\u4e3b\u6a5f\u7684\u7db2\u8def\u6d41\u91cf\uff0c\u767c\u6398\u662f\u5426\u6709\u4efb\u4f55\u5617\u8a66\u653b\u64ca\u7684\u8de1\u8c61\uff0c\u9032\u800c\u52a0\u4ee5\u6514\u622a\uff0c\u4e0d\u8b93\u653b\u64ca\u5f97\u901e\uff0c\u6709\u6548\u5730\u63d0\u4f9b\u4f3a\u670d\u5668\u4e00\u7a2e\u865b\u64ec\u4fee\u88dc\u3002\u6b64\u6b21\u6f0f\u6d1e\u7684\u653b\u64ca\u76f8\u5c0d\u5bb9\u6613\u5075\u6e2c\uff0c\u800c\u4e14 IPS \u61c9\u6709\u80fd\u529b\u5728\u653b\u64ca\u5230\u9054\u8edf\u9ad4\u4e4b\u524d\u9810\u5148\u52a0\u4ee5\u6514\u622a\u3002<\/p>\n

\u8a72\u600e\u9ebc\u505a\uff1f<\/strong><\/p>\n

\u7a0d\u65e9\u7684\u6587\u7ae0<\/a>\u8a73\u7d30\u8aaa\u660e\u4e86\u6bcf\u4e00\u500b\u4eba\u90fd\u61c9\u63a1\u53d6\u7684\u9632\u7bc4\u6b65\u9a5f\uff0c\u540c\u6642\u4e5f\u7279\u5225\u5217\u51fa\u8da8\u52e2\u79d1\u6280<\/a>\u5ba2\u6236\u53ef\u63a1\u53d6\u7684\u6b65\u9a5f\u3002<\/p>\n

\u5c0d\u65bc\u5927\u591a\u6578\u53d7\u5f71\u97ff\u7684\u767c\u884c\u7248\u672c\u4f86\u8aaa\uff0c\u76ee\u524d\u5df2\u6709\u4fee\u88dc\u7a0b\u5f0f\u4f86\u89e3\u6c7a\u8a72\u6f0f\u6d1e\u7684\u90e8\u5206\u554f\u984c\uff0c\u4f46\u66f4\u5b8c\u6574\u7684\u89e3\u6c7a\u65b9\u6848\u76ee\u524d\u4ecd\u5728\u9032\u884c\u7576\u4e2d\u3002<\/p>\n

\u6b64\u554f\u984c\u975e\u5e38\u7dca\u6025\uff0c\u4f60\u61c9\u8a72\u7acb\u5373\u63a1\u53d6\u884c\u52d5\u3002\u6240\u5e78\uff0c\u5176\u6b65\u9a5f\u4e5f\u975e\u5e38\u7c21\u55ae\uff1a<\/p>\n\n\n\n
\n
    \n
  1. \u82e5\u4f60\u662f\u4e00\u822c\u4f7f\u7528\u8005\uff0c\u8acb\u7b49\u5019\u4f60\u7684 Mac\u3001Android \u624b\u6a5f\u6216\u5176\u4ed6\u88dd\u7f6e\u5ee0\u5546\u91cb\u51fa\u4fee\u88dc\u7a0b\u5f0f\u3002<\/li>\n
  2. \u82e5\u4f60\u6b63\u5728\u4f7f\u7528 Linux \u7cfb\u7d71\uff0c\u5347\u7ea7BASH\u81f3\u6700\u65b0\u7248\u672c\u3002<\/li>\n
  3. \u82e5\u4f60\u6b63\u5728\u4f7f\u7528 Linux\/Apache \u7d44\u5408\u7684\u7db2\u7ad9\u4f3a\u670d\u5668\uff0c\u4e14\u53c8\u7528\u5230 bash \u7a0b\u5e8f\u6a94 (script)\uff0c\u8acb\u8003\u616e\u91cd\u65b0\u4fee\u6539\u4f60\u7684\u7a0b\u5e8f\u6a94\uff0c\u6539\u7528 bash \u4ee5\u5916\u7684\u6307\u4ee4\u5217\u4ecb\u9762\u7a0b\u5f0f (shell)\uff0c\u76f4\u5230\u5b8c\u6574\u7684\u4fee\u88dc\u7a0b\u5f0f\u51fa\u73fe\u70ba\u6b62\u3002<\/li>\n
  4. \u82e5\u4f60\u662f\u4ee3\u7ba1\u5f0f\u670d\u52d9\u7684\u5ba2\u6236\uff0c\u8acb\u806f\u7d61\u4f60\u7684\u670d\u52d9\u5ee0\u5546\uff0c\u770b\u770b\u4ed6\u5011\u662f\u5426\u5b58\u5728\u9019\u9805\u6f0f\u6d1e\uff0c\u4ee5\u53ca\u4ed6\u5011\u6709\u4f55\u61c9\u8b8a\u8a08\u5283\u3002<\/li>\n<\/ol>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u63a5\u4e0b\u4f86\uff0c\u4f60\u61c9\u8a72\u63a1\u53d6\u4e0b\u5217\u6b65\u9a5f\u4f86\u4fdd\u8b77\u4f60\u7684\u4f3a\u670d\u5668\uff1a<\/p>\n\n\n\n
    \n
      \n
    1. \u78ba\u5b9a\u4f60\u5728\u6240\u6709\u53d7\u5f71\u97ff\u7684\u4f3a\u670d\u5668\u4e4b\u524d\u90e8\u7f72\u4e86\u4e00\u5957\u5165\u4fb5\u9632\u8b77 (IPS)\uff0c\u4e14\u5165\u4fb5\u9632\u8b77\u5fc5\u9808\u555f\u7528\u4e26\u4e3b\u52d5\u6514\u622a CVE\u20132014\u20137169 \u6f0f\u6d1e\u3002\u6211\u5011\u7684 Deep Security \u4e5f\u63d0\u4f9b\u4e86\u529f\u80fd\u5b8c\u6574\u7684\u514d\u8cbb\u8a66\u7528 (\u8edf\u9ad4<\/a>\u6216\u670d\u52d9<\/a>) \u53ef\u7acb\u5373\u5354\u52a9\u4f60\u89e3\u6c7a\u9019\u9805\u554f\u984c\u3002<\/li>\n
    2. \u7576\u4fee\u88dc\u7a0b\u5f0f\u6700\u7d42\u91cb\u51fa\u6642\uff0c\u8acb\u52d9\u5fc5\u76e1\u901f\u90e8\u7f72\uff0c\u9019\u6a23\u624d\u80fd\u591a\u4e00\u9053\u4fdd\u969c (\u52a0\u4e0a\u4f60\u7684 IPS)\u3002<\/li>\n
    3. \u6301\u7e8c\u76e3\u63a7\u6b64\u554f\u984c\u7684\u5f8c\u7e8c\u767c\u5c55\u3002<\/li>\n<\/ol>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u91dd\u5c0d\u6709\u5371\u96aa\u7684\u684c\u4e0a\u578b\u96fb\u8166 (\u5982 Linux \u548c Mac OS X)\uff1a<\/p>\n\n\n\n
      \n
        \n
      1. \u66ab\u6642\u6539\u7528\u5176\u4ed6\u7684\u6307\u4ee4\u5217\u4ecb\u9762\u7a0b\u5f0f (shell) \u4f86\u907f\u958b\u6b64\u6f0f\u6d1e\u3002\u6b64\u6f0f\u6d1e\u76ee\u524d\u5118\u5b58\u5728\u65bc bash\uff0c\u5176\u4ed6\u6307\u4ee4\u5217\u4ecb\u9762\u7a0b\u5f0f\u4e0d\u53d7\u5f71\u97ff\u3002\u8acb\u53c3\u95b1Mac OS X \u76f8\u95dc\u8aaa\u660e<\/a>\u3002<\/li>\n
      2. \u4e00\u65e6\u4f60\u7684\u4f5c\u696d\u7cfb\u7d71\u91cb\u51fa\u4e86\u4fee\u88dc\u7a0b\u5f0f\uff0c\u8acb\u76e1\u901f\u66f4\u65b0\u3002<\/li>\n<\/ol>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \u8da8\u52e2\u79d1\u6280\u5ba2\u6236<\/strong><\/p>\n

        \u8da8\u52e2\u79d1\u6280<\/a>\u5ba2\u6236\u8acb\u53c3\u8003\u6211\u5011\u652f\u63f4\u7db2\u7ad9<\/a>\u4e0a\u7684\u77e5\u8b58\u5eab\u6587\u7ae0\u3002\u8a72\u7db2\u9801\u96c6\u5408\u4e86\u6211\u5011\u6240\u6709\u8207\u6b64\u6f0f\u6d1e\u76f8\u95dc\u7684\u7522\u54c1\u8cc7\u8a0a\u3002\u8acb\u96a8\u6642\u56de\u4f86\u67e5\u770b\u6b64\u9801\u4ee5\u638c\u63e1\u6700\u65b0\u52d5\u614b\uff0c\u6211\u5011\u5c07\u4e0d\u65b7\u63d0\u4f9b\u6700\u65b0\u6d88\u606f\u3002<\/p>\n

        \u8da8\u52e2\u79d1\u6280\u6709\u4ec0\u9ebc\u65b9\u6848\u53ef\u4ee5\u9632\u7bc4\u9019\u500b\u6f0f\u6d1e\uff1f<\/em><\/strong><\/p>\n

        \u8da8\u52e2\u79d1\u6280\u00a0Deep Security<\/a>\u5ba2\u6236\u8acb\u52d9\u5fc5\u5957\u7528 DSRU14-028 \u66f4\u65b0\uff0c\u4e26\u555f\u7528\u4e0b\u5217\u898f\u5247\uff1a<\/p>\n\n\n\n
        \n