this post was submitted on 04 Apr 2024
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Oh sweet summer child.
First, injection attacks are third on the owasp list, although they do roll xss into it too, which changed the name, since "shit sanitization on input" and "shit escaping before use" are the cause of both.
https://owasp.org/Top10/A03_2021-Injection/
Secondly, SQL injection is freakishly common and easy. I don't know of any database libraries that prevent you from directly executing an SQL literal, they just encourage parameterized statements.
I have personally run into plenty of systems where people build SQL via string concatenation because for whatever reason they can't use an orm or "proper" SQL generator.
You can find them in the wild fairly often by just tossing
' or 1=1;--into fields in forms. If it gets mad in a way that doesn't make sense or suddenly takes forever, you win!Don't do that though, because it's illegal.
Do you have any recent examples of major SQL injection holes?
https://www.securityweek.com/millions-of-user-records-stolen-from-65-websites-via-sql-injection-attacks/
https://www.darkreading.com/remote-workforce/critical-security-flaw-wordpress-sql-injection
https://www.tenable.com/blog/cve-2023-48788-critical-fortinet-forticlientems-sql-injection-vulnerability
https://www.cisa.gov/news-events/cybersecurity-advisories/aa23-158a
https://nvd.nist.gov/vuln/search/results?form_type=Advanced&results_type=overview&search_type=all&cwe_id=CWE-89&isCpeNameSearch=false
You can fiddle with the nvd search settings to find whatever severity score you like, or filter by execution parameters.
https://nvd.nist.gov/vuln/detail/CVE-2024-1597
That one was a treat when I check under critical, since it's an injection attack that can bypass parameterized query protections for the database driver, which is why "defense in depth" and "always sanitize your fucking inputs" are such key things to remember.
I hope that provided what you're looking for, and maybe increases your awareness of SQL injection. 😊
Great comment. Thanks!
https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=sql+injection
And without giving away specifics, I've personally found SQLi vulns in the wild within the last 5ish years.