CVE-2009-2620 Denial of service in n/a

Medium 5.0 Published 29 Jul 2009 Updated 7 Aug 2024

Remote attackers can crash the Firebird SQL database server by sending a malformed connection request, causing a denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2009-2620?

CVE-2009-2620 is a medium-severity denial of service vulnerability in n/a, published on 29 Jul 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

src/remote/server.cpp in fbserver.exe in Firebird SQL 1.5 before 1.5.6, 2.0 before 2.0.6, 2.1 before 2.1.3, and 2.5 before 2.5 Beta 2 allows remote attackers to cause a denial of service (daemon crash) via a malformed op_connect_request message that triggers an infinite loop or NULL pointer dereference.

Weakness: CWE-20

Which versions are affected by CVE-2009-2620?

It affects 1 product.

Products include Firebirdsql Firebird.

How do I fix CVE-2009-2620?

No fix has been published for CVE-2009-2620 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2009-2620 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-2620 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-rp94-92gp-7q47.