[GXYCTF2019]Ping Ping Ping

yu22x 发布时间：2020-03-02 19:36:04 ，浏览量：3

题目地址：https://buuoj.cn/challenges 打开题目发现提示输入ip，发现应该是个命令执行，源码中应该是exec()、shell_exec()之类的函数，然后传入 ping + ip，我们首先尝试 ?ip=1;ls发现flag.php、index.php.尝试打开flag.php发现存在过滤，几次尝试之后发现过滤了flag 空格还有一些符号，空格有很多种代替方法。 %20、%09、$IFS$1、${IFS}、、


    
        
        
        
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	请求信息 : 2025-04-09 17:13:14 HTTP/2.0 GET : /home/article/detail/id/437327.html
运行时间 : 0.0468s ( Load:0.0113s Init:0.0012s Exec:0.0241s Template:0.0102s )
吞吐率 : 21.37req/s
内存开销 : 1,924.64 kb
查询信息 : 16 queries 0 writes 
文件加载 : 36
缓存信息 : 5 gets 0 writes 
配置加载 : 132
会话信息 : SESSION_ID=qm0mrta38shqsaeei62ottl6dq
    
    
        
    
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	[ app_init ] --START--
Run Behavior\BuildLiteBehavior [ RunTime:0.000010s ]
[ app_init ] --END-- [ RunTime:0.000052s ]
[ app_begin ] --START--
Run Behavior\ReadHtmlCacheBehavior [ RunTime:0.000430s ]
[ app_begin ] --END-- [ RunTime:0.000471s ]
[ view_parse ] --START--
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Run Behavior\ContentReplaceBehavior [ RunTime:0.000068s ]
[ template_filter ] --END-- [ RunTime:0.000091s ]
Run Behavior\ParseTemplateBehavior [ RunTime:0.007935s ]
[ view_parse ] --END-- [ RunTime:0.007956s ]
[ view_filter ] --START--
Run Behavior\WriteHtmlCacheBehavior [ RunTime:0.000170s ]
[ view_filter ] --END-- [ RunTime:0.000185s ]
[ app_end ] --START--
    
    
        
    
	[2] session_save_path(): open_basedir restriction in effect. File(/var/lib/php/session) is not within the allowed path(s): (/www/wwwroot/www.chaojiit.com/:/tmp/) /www/wwwroot/www.chaojiit.com/ThinkPHP/Common/functions.php 第 1239 行.
[8192] Array and string offset access syntax with curly braces is deprecated /www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Cache/Driver/File.class.php 第 59 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 34 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 134 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 134 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 135 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 135 行.
[8] Undefined variable: pinglun_list /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 144 行.
[8] Undefined variable: top_list /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 179 行.
    
    
        
    
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SELECT `value` FROM `configuration` WHERE `name` = 'site_name' LIMIT 1   [ RunTime:0.0002s ]
SHOW COLUMNS FROM `menu` [ RunTime:0.0002s ]
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SELECT * FROM `menu` WHERE `fid` = 1 AND `status` = 1  [ RunTime:0.0001s ]
SELECT * FROM `menu` WHERE `fid` = 2 AND `status` = 1  [ RunTime:0.0001s ]
SELECT * FROM `menu` WHERE `fid` = 3 AND `status` = 1  [ RunTime:0.0001s ]
SELECT * FROM `menu` WHERE `fid` = 4 AND `status` = 1  [ RunTime:0.0001s ]
SHOW COLUMNS FROM `article` [ RunTime:0.0003s ]
SELECT * FROM `article` WHERE `id` = 437327 LIMIT 1   [ RunTime:0.0002s ]
SHOW COLUMNS FROM `bloger` [ RunTime:0.0002s ]
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SELECT COUNT(*) AS tp_count FROM `article` WHERE `bloger_id` = 802 LIMIT 1   [ RunTime:0.0001s ]
SHOW COLUMNS FROM `article_content` [ RunTime:0.0002s ]
SELECT `content` FROM `article_content` WHERE `article_id` = 437327 LIMIT 1   [ RunTime:0.0065s ]
SELECT * FROM `article` WHERE `bloger_id` = 802 ORDER BY view_count desc LIMIT 0,10   [ RunTime:0.0007s ]
    
    
        
    
	    
    
    



0.0468s