{"id":479127,"date":"2023-08-09T10:01:33","date_gmt":"2023-08-09T10:01:33","guid":{"rendered":""},"modified":"2023-09-05T11:18:13","modified_gmt":"2023-09-05T11:18:13","slug":"stack-smashing","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/cn\/wiki\/stack-smashing\/","title":{"rendered":"\u5806\u6808\u7c89\u788e"},"content":{"rendered":"<p>\u6709\u5173 Stack Smashing \u7684\u7b80\u8981\u4fe1\u606f<\/p>\n<p>\u5806\u6808\u7834\u574f\uff0c\u4e5f\u79f0\u4e3a\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u662f\u6307\u7a0b\u5e8f\u5411\u5806\u6808\u4e0a\u7684\u7f13\u51b2\u533a\u5199\u5165\u7684\u6570\u636e\u591a\u4e8e\u5b9e\u9645\u5206\u914d\u7ed9\u8be5\u7f13\u51b2\u533a\u7684\u6570\u636e\u7684\u60c5\u51b5\u3002\u8fd9\u901a\u5e38\u4f1a\u5bfc\u81f4\u6570\u636e\u8986\u76d6\u76f8\u90bb\u7684\u5185\u5b58\u4f4d\u7f6e\u3002\u8fd9\u662f\u4e00\u4e2a\u81ed\u540d\u662d\u8457\u7684\u6f0f\u6d1e\uff0c\u53ef\u80fd\u5bfc\u81f4\u4efb\u610f\u4ee3\u7801\u6267\u884c\uff0c\u4ece\u800c\u4f7f\u653b\u51fb\u8005\u80fd\u591f\u63a7\u5236\u7cfb\u7edf\u3002<\/p>\n<h2>Stack Smashing \u7684\u8d77\u6e90\u548c\u9996\u6b21\u63d0\u53ca<\/h2>\n<p>\u5806\u6808\u7834\u574f\u7684\u6982\u5ff5\u53ef\u4ee5\u8ffd\u6eaf\u5230\u8ba1\u7b97\u673a\u53d1\u5c55\u7684\u65e9\u671f\u3002\u7b2c\u4e00\u4e2a\u516c\u5f00\u8bb0\u5f55\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\u6848\u4f8b\u662f 1988 \u5e74\u7684 Morris Worm\uff0c\u5b83\u5229\u7528\u4e86 UNIX \u7684 Finger Daemon \u4e2d\u7684\u6f0f\u6d1e\u3002\u8fd9\u4e00\u4e8b\u4ef6\u5f15\u53d1\u4e86\u8ba1\u7b97\u673a\u5b89\u5168\u9886\u57df\u7684\u5174\u8da3\uff0c\u5e76\u4f7f\u7814\u7a76\u4eba\u5458\u548c\u4ece\u4e1a\u4eba\u5458\u66f4\u52a0\u5173\u6ce8\u6b64\u7c7b\u6f0f\u6d1e\u3002<\/p>\n<h2>\u6709\u5173 Stack Smashing \u7684\u8be6\u7ec6\u4fe1\u606f\uff1a\u6269\u5c55\u4e3b\u9898<\/h2>\n<p>\u5806\u6808\u7834\u574f\u662f\u8ba1\u7b97\u673a\u5386\u53f2\u4e0a\u6700\u666e\u904d\u3001\u6700\u5371\u9669\u7684\u6f0f\u6d1e\u4e4b\u4e00\u3002\u901a\u8fc7\u5199\u5165\u8d85\u51fa\u7f13\u51b2\u533a\u5927\u5c0f\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u8986\u76d6\u76f8\u90bb\u7684\u5185\u5b58\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u5404\u79cd\u5b89\u5168\u98ce\u9669\uff0c\u5305\u62ec\uff1a<\/p>\n<ol>\n<li><strong>\u4ee3\u7801\u6267\u884c<\/strong>\uff1a\u901a\u8fc7\u8986\u76d6\u51fd\u6570\u7684\u8fd4\u56de\u5730\u5740\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5c06\u6267\u884c\u91cd\u5b9a\u5411\u5230\u6076\u610f\u4ee3\u7801\u3002<\/li>\n<li><strong>\u6570\u636e\u635f\u574f<\/strong>\uff1a\u8986\u76d6\u91cd\u8981\u7684\u6570\u636e\u7ed3\u6784\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u51fa\u73b0\u610f\u5916\u884c\u4e3a\u3002<\/li>\n<li><strong>\u62d2\u7edd\u670d\u52a1<\/strong>\uff1a\u901a\u8fc7\u8986\u76d6\u5173\u952e\u63a7\u5236\u6570\u636e\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u3002<\/li>\n<\/ol>\n<p>\u5806\u6808\u5d29\u6e83\u7684\u98ce\u9669\u53d6\u51b3\u4e8e\u591a\u79cd\u56e0\u7d20\uff0c\u4f8b\u5982\u7f16\u7a0b\u8bed\u8a00\u3001\u7f16\u8bd1\u5668\u548c\u64cd\u4f5c\u7cfb\u7edf\u3002<\/p>\n<h2>\u5806\u6808\u7c89\u788e\u7684\u5185\u90e8\u7ed3\u6784\uff1a\u5176\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u5806\u6808\u7834\u574f\u7684\u5185\u90e8\u5de5\u4f5c\u539f\u7406\u6d89\u53ca\u5229\u7528\u7a0b\u5e8f\u7684\u5806\u6808\u5e03\u5c40\u3002\u5b83\u901a\u5e38\u7684\u5c55\u5f00\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li><strong>\u7f13\u51b2\u533a\u521b\u5efa<\/strong>\uff1a\u5728\u5806\u6808\u4e0a\u521b\u5efa\u4e00\u4e2a\u7f13\u51b2\u533a\uff08\u901a\u5e38\u662f\u4e00\u4e2a\u6570\u7ec4\uff09\u3002<\/li>\n<li><strong>\u6ea2\u51fa<\/strong>\uff1a\u5199\u5165\u7f13\u51b2\u533a\u7684\u6570\u636e\u91cf\u8d85\u51fa\u4e86\u5176\u5bb9\u7eb3\u80fd\u529b\u3002<\/li>\n<li><strong>\u5185\u5b58\u8986\u76d6<\/strong>\uff1a\u76f8\u90bb\u7684\u5185\u5b58\u4f4d\u7f6e\uff08\u4f8b\u5982\u5176\u4ed6\u5c40\u90e8\u53d8\u91cf\u6216\u8fd4\u56de\u5730\u5740\uff09\u88ab\u8986\u76d6\u3002<\/li>\n<li><strong>\u63a7\u5236\u52ab\u6301<\/strong>\uff1a\u8986\u76d6\u7684\u8fd4\u56de\u5730\u5740\u4f1a\u5bfc\u81f4\u610f\u5916\u7684\u63a7\u5236\u6d41\uff0c\u53ef\u80fd\u6267\u884c\u6076\u610f\u4ee3\u7801\u3002<\/li>\n<\/ol>\n<h2>Stack Smashing \u4e3b\u8981\u7279\u6027\u5206\u6790<\/h2>\n<p>\u5806\u6808\u7c89\u788e\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u653b\u51fb\u5411\u91cf<\/strong>\uff1a\u5229\u7528\u5bf9\u5185\u5b58\u63a7\u5236\u4e0d\u4f73\u7684\u5199\u5165\u3002<\/li>\n<li><strong>\u5f71\u54cd<\/strong>\uff1a\u53ef\u80fd\u5bfc\u81f4\u672a\u7ecf\u6388\u6743\u7684\u4ee3\u7801\u6267\u884c\u3001\u6570\u636e\u635f\u574f\u6216\u7cfb\u7edf\u5d29\u6e83\u3002<\/li>\n<li><strong>\u7f13\u89e3\u6280\u672f<\/strong>\uff1a\u5305\u62ec\u5806\u6808\u91d1\u4e1d\u96c0\u3001ASLR\uff08\u5730\u5740\u7a7a\u95f4\u5e03\u5c40\u968f\u673a\u5316\uff09\u548c\u6b63\u786e\u7684\u7f16\u7801\u5b9e\u8df5\u3002<\/li>\n<\/ul>\n<h2>\u5806\u6808\u7c89\u788e\u7684\u7c7b\u578b\uff1a\u4f7f\u7528\u8868\u683c\u548c\u5217\u8868<\/h2>\n<p>\u7f13\u51b2\u533a\u6ea2\u51fa\u653b\u51fb\u6709\u591a\u79cd\u7c7b\u578b\uff0c\u5305\u62ec\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7c7b\u578b<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5806\u6808\u6ea2\u51fa<\/td>\n<td>\u6ea2\u51fa\u5806\u6808\u4e0a\u7684\u672c\u5730\u7f13\u51b2\u533a\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5806\u6ea2\u51fa<\/td>\n<td>\u6ea2\u51fa\u5806\u4e0a\u5206\u914d\u7684\u7f13\u51b2\u533a\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u6574\u6570\u6ea2\u51fa<\/td>\n<td>\u5229\u7528\u6574\u6570\u8fd0\u7b97\u5bfc\u81f4\u6ea2\u51fa\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u683c\u5f0f\u5b57\u7b26\u4e32<\/td>\n<td>\u5229\u7528\u683c\u5f0f\u5b57\u7b26\u4e32\u6f0f\u6d1e\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Stack Smashing \u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u95ee\u9898\u53ca\u5176\u89e3\u51b3\u65b9\u6848<\/h2>\n<h3>\u4f7f\u7528\u65b9\u6cd5\uff1a<\/h3>\n<ul>\n<li>\u7528\u4e8e\u6f0f\u6d1e\u8bc4\u4f30\u7684\u9053\u5fb7\u9ed1\u5ba2\u884c\u4e3a\u3002<\/li>\n<li>\u4e0d\u9053\u5fb7\u7684\u9ed1\u5ba2\u884c\u4e3a\uff0c\u7528\u4e8e\u672a\u7ecf\u6388\u6743\u7684\u7cfb\u7edf\u63a7\u5236\u3002<\/li>\n<\/ul>\n<h3>\u95ee\u9898\uff1a<\/h3>\n<ul>\n<li>\u5b89\u5168\u98ce\u9669<\/li>\n<li>\u6570\u636e\u5b8c\u6574\u6027\u4e22\u5931<\/li>\n<\/ul>\n<h3>\u89e3\u51b3\u65b9\u6848\uff1a<\/h3>\n<ul>\n<li>\u91c7\u7528\u9002\u5f53\u7684\u7f16\u7801\u5b9e\u8df5\u3002<\/li>\n<li>\u5b9e\u73b0\u8fd0\u884c\u65f6\u9632\u5fa1\uff0c\u5982\u5806\u6808\u91d1\u4e1d\u96c0\u548c ASLR\u3002<\/li>\n<\/ul>\n<h2>\u4e3b\u8981\u7279\u70b9\u53ca\u5176\u4ed6\u4e0e\u540c\u7c7b\u4ea7\u54c1\u7684\u6bd4\u8f83<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u5b66\u671f<\/th>\n<th>\u7279\u5f81<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5806\u6808\u7c89\u788e<\/td>\n<td>\u5806\u6808\u6ea2\u51fa\uff0c\u5f71\u54cd\u63a7\u5236\u6d41\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5806\u7c89\u788e<\/td>\n<td>\u5806\u6ea2\u51fa\uff0c\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u635f\u574f\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u6574\u6570\u6ea2\u51fa<\/td>\n<td>\u6574\u6570\u7b97\u672f\u9519\u8bef\u7684\u7ed3\u679c\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4e0e Stack Smashing \u76f8\u5173\u7684\u672a\u6765\u89c2\u70b9\u548c\u6280\u672f<\/h2>\n<p>\u672a\u6765\u7684\u6280\u672f\u5c06\u6ce8\u91cd\u68c0\u6d4b\u548c\u9884\u9632\uff1a<\/p>\n<ul>\n<li>\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u6765\u68c0\u6d4b\u6f0f\u6d1e\u3002<\/li>\n<li>\u5148\u8fdb\u7684\u7f16\u8bd1\u5668\u6280\u672f\uff0c\u5b9e\u73b0\u66f4\u5b89\u5168\u7684\u4ee3\u7801\u751f\u6210\u3002<\/li>\n<li>\u4e0b\u4e00\u4ee3\u786c\u4ef6\u8bbe\u8ba1\u672c\u8d28\u4e0a\u53ef\u4ee5\u9632\u6b62\u6ea2\u51fa\u653b\u51fb\u3002<\/li>\n<\/ul>\n<h2>\u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6216\u5c06\u5176\u4e0e Stack Smashing \u5173\u8054<\/h2>\n<p>\u50cf OneProxy \u8fd9\u6837\u7684\u4ee3\u7406\u670d\u52a1\u5668\u5728\u5b89\u5168\u65b9\u9762\u53ef\u4ee5\u53d1\u6325\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u5b83\u4eec\u53ef\u4ee5\u914d\u7f6e\u4e3a\u901a\u8fc7\u76d1\u63a7\u6d41\u91cf\u6a21\u5f0f\u548c\u6f5c\u5728\u7684\u6076\u610f\u8d1f\u8f7d\u6765\u68c0\u6d4b\u548c\u51cf\u8f7b\u7f13\u51b2\u533a\u6ea2\u51fa\u653b\u51fb\u7684\u5f71\u54cd\u3002<\/p>\n<h2>\u76f8\u5173\u94fe\u63a5<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.owasp.org\/index.php\/Buffer_Overflow\" target=\"_new\" rel=\"noopener nofollow\">OWASP \u7f13\u51b2\u533a\u6ea2\u51fa\u89e3\u91ca<\/a><\/li>\n<li><a href=\"https:\/\/cwe.mitre.org\/data\/definitions\/120.html\" target=\"_new\" rel=\"noopener nofollow\">CWE-120\uff1a\u4e0d\u68c0\u67e5\u8f93\u5165\u5927\u5c0f\u7684\u7f13\u51b2\u533a\u590d\u5236<\/a><\/li>\n<li><a href=\"https:\/\/www.sans.org\/reading-room\/whitepapers\/securecode\/understanding-exploiting-buffer-overflow-attacks-1750\" target=\"_new\" rel=\"noopener nofollow\">SANS \u7814\u7a76\u6240\uff1a\u4e86\u89e3\u7f13\u51b2\u533a\u6ea2\u51fa\u653b\u51fb<\/a><\/li>\n<\/ul>","protected":false},"featured_media":479128,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479127","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Stack Smashing<\/mark>","faq_items":[{"question":"What is Stack Smashing?","answer":"<p>Stack Smashing, also known as buffer overflow, is a cybersecurity vulnerability where a program writes more data to a buffer on the stack than it can hold. This can lead to memory corruption and security risks.<\/p>"},{"question":"How did Stack Smashing originate, and when was it first mentioned?","answer":"<p>Stack Smashing has been a concern since the early days of computing. The first documented case was the Morris Worm in 1988, which exploited a buffer overflow vulnerability in UNIX's finger daemon.<\/p>"},{"question":"How does Stack Smashing work internally?","answer":"<p>Stack Smashing exploits the program's stack layout. By overflowing a buffer, adjacent memory locations, such as return addresses, can be overwritten, leading to unintended control flow and potential code execution.<\/p>"},{"question":"What are the key features of Stack Smashing?","answer":"<p>Key features include its attack vector, potential impact (code execution, data corruption), and mitigation techniques like stack canaries and ASLR.<\/p>"},{"question":"What are the types of Stack Smashing attacks?","answer":"<p>There are several types, including Stack Overflow, Heap Overflow, Integer Overflow, and Format String attacks.<\/p>"},{"question":"How can Stack Smashing be used, and what problems does it pose?","answer":"<p>Stack Smashing can be used for ethical hacking (vulnerability assessment) or unethical purposes (unauthorized system control). The main problems are security risks and potential data integrity loss.<\/p>"},{"question":"How can Stack Smashing be mitigated?","answer":"<p>Proper coding practices and runtime defenses like stack canaries and ASLR can help prevent Stack Smashing vulnerabilities.<\/p>"},{"question":"How does Stack Smashing compare with Heap Smashing and Integer Overflow?","answer":"<p>Stack Smashing involves overflows on the stack, while Heap Smashing affects heap-allocated buffers, and Integer Overflow results from arithmetic errors.<\/p>"},{"question":"What are the future perspectives and technologies related to Stack Smashing?","answer":"<p>Future technologies focus on detection and prevention, including machine learning algorithms, advanced compiler techniques, and next-gen hardware designs.<\/p>"},{"question":"How can proxy servers like OneProxy be associated with Stack Smashing?","answer":"<p>Proxy servers like OneProxy can play a crucial role in security by monitoring traffic patterns and detecting potential buffer overflow attacks.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/479127","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/479127\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media\/479128"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media?parent=479127"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}