CVE-2012-3526 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can crash the Apache server by sending multiple X-Forwarded-For headers when the mod_rpaf module is enabled.

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

What is CVE-2012-3526?

CVE-2012-3526 is a medium-severity denial of service vulnerability in n/a, published on 5 Sep 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The reverse proxy add forward module (mod_rpaf) 0.5 and 0.6 for the Apache HTTP Server allows remote attackers to cause a denial of service (server or application crash) via multiple X-Forwarded-For headers in a request.

Which versions are affected by CVE-2012-3526?

It affects 1 product.

Products include Thomas Eibner Mod Rpaf.

How do I fix CVE-2012-3526?

Apply the vendor's patch.

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-2012-3526 being exploited?

There is no known exploitation of CVE-2012-3526 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2012-3526, DSA-2532-1, GHSA-9mf9-j4hx-8j6j.

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