CVE-2014-3581 Null dereference in n/a
Remote attackers can crash the Apache HTTP Server by sending an empty HTTP Content-Type header, 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-2014-3581?
CVE-2014-3581 is a medium-severity vulnerability in Apache Http Server, published on 10 Oct 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The cache_merge_headers_out function in modules/cache/cache_util.c in the mod_cache module in the Apache HTTP Server before 2.4.11 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty HTTP Content-Type header.
Weakness: CWE-476
Which versions are affected by CVE-2014-3581?
It affects 9 products.
Products include Apache Http Server, Canonical Ubuntu Linux, Oracle Enterprise Manager Ops Center, Oracle Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus and 3 more.
How do I fix CVE-2014-3581?
Upgrade to a fixed version.
Is CVE-2014-3581 being exploited?
There is no known exploitation of CVE-2014-3581 in the wild and no public exploit code.
Other vulnerabilities in Apache Http Server
Sources
Also known as DEBIAN-CVE-2014-3581, GHSA-fp3c-hq6w-q3rf, UBUNTU-CVE-2014-3581.