CVE-2007-3950 Denial of service in n/a

Medium 4.3 Published 24 Jul 2007 Updated 7 Aug 2024

Remote attackers can crash the lighttpd web server on 32-bit systems by triggering bugs in debugging messages within specific modules.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2007-3950?

CVE-2007-3950 is a medium-severity denial of service vulnerability in n/a, published on 24 Jul 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

lighttpd 1.4.15, when run on 32 bit platforms, allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors involving the use of incompatible format specifiers in certain debugging messages in the (1) mod_scgi, (2) mod_fastcgi, and (3) mod_webdav modules.

Which versions are affected by CVE-2007-3950?

It affects 1 product.

Products include Lighttpd Lighttpd.

How do I fix CVE-2007-3950?

Upgrade to a fixed version.

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-2007-3950 being exploited?

There is no known exploitation of CVE-2007-3950 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2007-3950, GHSA-hx2q-8pcc-xc36.