CVE-2014-3583 Denial of service in n/a
Remote FastCGI servers can crash the Apache HTTP Server via long response headers, 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
- Available
What is CVE-2014-3583?
CVE-2014-3583 is a medium-severity denial of service vulnerability in Apache Http Server, published on 15 Dec 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The handle_headers function in mod_proxy_fcgi.c in the mod_proxy_fcgi module in the Apache HTTP Server 2.4.10 allows remote FastCGI servers to cause a denial of service (buffer over-read and daemon crash) via long response headers.
Weakness: CWE-119
Which versions are affected by CVE-2014-3583?
It affects 4 products.
Linux distribution packages (2)
mod_proxy_fcgi Red Hat:rhel_common:6::el6 | All versions | 0:2.4.10-5.20150415gitd45a11f.el6cp |
mod_proxy_fcgi-debuginfo Red Hat:rhel_common:6::el6 | All versions | 0:2.4.10-5.20150415gitd45a11f.el6cp |
Products include Apache Http Server, Apple Mac Os X, Apple Os X Server, Canonical Ubuntu Linux.
How do I fix CVE-2014-3583?
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-2014-3583 being exploited?
There is no known exploitation of CVE-2014-3583 in the wild and no public exploit code.
Other vulnerabilities in Apache Http Server
Sources
Also known as DEBIAN-CVE-2014-3583, GHSA-jh98-gwvf-4vf3, RHSA-2015:1855.