CVE-2009-0543 SQL injection in n/a
Remote attackers can bypass SQL injection protections in ProFTPD with NLS enabled using encoded multibyte characters, potentially accessing database data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2009-0543?
CVE-2009-0543 is a medium-severity SQL injection vulnerability in n/a, published on 12 Feb 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ProFTPD Server 1.3.1, with NLS support enabled, allows remote attackers to bypass SQL injection protection mechanisms via invalid, encoded multibyte characters, which are not properly handled in (1) mod_sql_mysql and (2) mod_sql_postgres.
Weakness: CWE-89
Which versions are affected by CVE-2009-0543?
It affects 1 product.
Products include Proftpd Proftpd.
How do I fix CVE-2009-0543?
Upgrade to a fixed version.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2009-0543 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-0543 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2009-0543, GHSA-3qqr-wq7g-hxwh.