SQL injection is a technique used to take advantage of non-validated input vulnerabilities to pass SQL commands through a Web application for execution by a backend database.

learn more… | top users | synonyms

4
votes
2answers
144 views

Changing windows client form values at runtime

I am performing a code audit of an older VB6 application which uses dynamically constructed SQL to execute against the database. While I see this as a SQL injection point, the developer contends that ...
0
votes
2answers
160 views

How much security should I use for my web application?

My question is, for a "normal" site, what do you think is enough to secure against methods used by "script kiddies"? For example, SQL injection, XSS, and stuff like that. Same question for password ...
5
votes
3answers
602 views

Best way to alert a website owner of a vulnerability?

recently i was browsing a site, and i noticed that at the end of the URL it said id=168, which is a common indicator that the site is vulnerable to an SQL injection attack. i did some tests and found ...
1
vote
0answers
175 views

How anonymous used UTF-16 ASCII to fool PHP escaping [duplicate]

Possible Duplicate: How anonymous used UTF-16 ASCII to fool PHP escaping (Reposted here as per request). A few months ago, anonymous took down a child pornography site using SQL-injection. ...
3
votes
4answers
4k views

How is my website vulnerable for sql injections?

I am running a small website where I have published some articles. I am also very interesed in security topics and tried sqlmap on my website. It found the database name, so my question is how it ...
3
votes
4answers
1k views

SQL query sanitation (black list)

I have a following problem/challenge: Web application (ASP.NET 3.5) installed on corporate LAN and operates on SQL Server DB needs to provide ability to generate custom reports. These reports can be ...
2
votes
2answers
692 views

How can an IPS\IDS detect SQLi \ XSS (or other application layer) attacks?

I've been thinking about how an IPS works, and as far as I know it inspects the packets on the TCP\IP layer. How can it detect attacks on higher levels without harming the user experience? How does ...
13
votes
2answers
4k views

Multibyte character exploits - PHP/MySQL

Could someone please point me to a link with some information on multibyte character exploits for MySQL? A friend brought them to my attention, but I've not been able to find much information on the ...
6
votes
2answers
236 views

Presentation on Web App Security (ACM Student Chapter)

I am a member of the local ACM student chapter in my university and as part of our activities I am scheduled to give a talk on current issues on Web Application Security (and possibly secure coding ...
6
votes
1answer
1k views

Do I have to make any more check if I use prepared statements for integers?

I am currently using PDO with prepared statements for some integer values (see PDO::PARAM_INT). That means I call PDO like this: $stmt = $conn->prepare("SELECT `lastMove` FROM ".GAMES_TABLE. ...
49
votes
6answers
10k views

SQL injection — but why isn't escape quotes safe anymore?

I haven't seen this question asked, and feel it's a valuable bit of information to have, especially because this is a huge source of mystery and confusion. Raw SQL When you're writing SQL -- for ...
15
votes
3answers
13k views

SQL injection with AND 1=1

Please explain the meaning of "AND 1 = 1" in a SQL injection attack. It's from an exercise in my university. E.g. select * from user where id = 'smith'' AND 1=1;-- and birthdate = 1970; or ...
4
votes
2answers
965 views

Is it possible to test for Postgres BlindSQL injection using pg_sleep() in a WHERE clause?

In mysql, I am familiar with using the following payloads to test for blindsql when the WHERE clause is vulnerable (all payload examples from fuzzdb): 1 or sleep(TIME)# " or sleep(TIME)# ' or ...
14
votes
4answers
5k views

Levraging a shell from SQL injection

As I understand it, SQL injection should only allow for the manipulation and retrivial of data, nothing more. Assuming no passwords are obtained, how can simple SQL injection be used to leverage a ...
10
votes
2answers
866 views

What are the SQL-injections issues of parameterized queries?

I've written some code to generate an SQL query in ASP classic. I'm not sure if it's secure or not: Set adoCon = Server.CreateObject("ADODB.Connection") adoCon.Open "Provider=Microsoft.Jet.OLEDB.4.0; ...
2
votes
1answer
247 views

How to evade a signature to detect “xp_cmdshell” for SQLi?

What methods can be used to bypass a signature which detects "xp_cmdshell"?
10
votes
5answers
1k views

SQL Injection in a Non-Web Application

Does someone know of a good example of a SQL Injection vulnerability that isn't in a web application? What is the user input for this attack? I am looking for a real vulnerability, not speculation. ...
5
votes
1answer
573 views

SQL Injection on URL, not on parameters

Should WAF or any protecting method, block SQLi done on URLs?(eg GET /test/url'or 1=1--)
8
votes
3answers
720 views

Suggestion setting up a SQL injection honeypot

I just stumbled on a website vulnerable to an SQL injection attack by mistake ( http://stackoverflow.com/questions/6181248/is-this-site-vulnerable-to-an-sql-injection-attack ). That made me curious ...
3
votes
2answers
436 views

I'm Trying to Find how to Exploit my SQL Code

I'm trying to find a way to exploit my stored procedure to test for security problems, I have specifically been testing for SQL truncation-based injection, but I did not succeed so far; I don't think ...
1
vote
1answer
330 views

Is this enough to tackle script / malicious code insertion in GET, POST requests?

I've got legacy PHP code which attempts to prevent script / SQL injection with the following: if (!empty($_POST)) { reset($_POST); while (list($k,$v)=each($_POST)) { ...
14
votes
7answers
1k views

SQL Injection Prevention

SQL Injection is always a hot topic particularly when it comes to web security. In this regard I am interested in what are the steps that should always be taken to prevent SQL Injection within any web ...
16
votes
2answers
1k views

Does an ORM framework such as hibernate completely mitigate SQL injection?

I know that to prevent (prevent all or most?) SQL injection attacks that you should use parametrized queries. I've been using hibernate for a while instead of hand writing my sql statements. Are there ...