CVE-2005-3420 Code injection in n/a
Remote attackers can execute arbitrary PHP code by injecting an 'e' modifier into a regular expression via the signature_bbcode_uid parameter in phpBB.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2005-3420?
CVE-2005-3420 is a high-severity code injection vulnerability in Phpbb Group Phpbb, published on 1 Nov 2005. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
usercp_register.php in phpBB 2.0.17 allows remote attackers to modify regular expressions and execute PHP code via the signature_bbcode_uid parameter, as demonstrated by injecting an "e" modifier into a preg_replace statement.
Which versions are affected by CVE-2005-3420?
It affects 1 product.
Products include Phpbb Group Phpbb.
How do I fix CVE-2005-3420?
Upgrade to a fixed version.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2005-3420 being exploited?
There is no known exploitation of CVE-2005-3420 in the wild and no public exploit code.
Other vulnerabilities in Phpbb Group Phpbb
Sources
Also known as GHSA-2g77-3x3p-6v8w.