CVE-2007-1863 Denial of service in n/a
Remote attackers can crash Apache HTTP Server child processes via malformed Cache-Control headers when caching and threaded MPM are 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-2007-1863?
CVE-2007-1863 is a medium-severity denial of service vulnerability in Apache Http Server, published on 27 Jun 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
cache_util.c in the mod_cache module in Apache HTTP Server (httpd), when caching is enabled and a threaded Multi-Processing Module (MPM) is used, allows remote attackers to cause a denial of service (child processing handler crash) via a request with the (1) s-maxage, (2) max-age, (3) min-fresh, or (4) max-stale Cache-Control headers without a value.
Which versions are affected by CVE-2007-1863?
It affects 2 products.
Products include Apache Http Server, Apple Mac Os X Server.
How do I fix CVE-2007-1863?
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-2007-1863 being exploited?
There is no known exploitation of CVE-2007-1863 in the wild and no public exploit code.
Other vulnerabilities in Apache Http Server
Sources
Also known as DEBIAN-CVE-2007-1863, GHSA-hcvj-926w-fhhh.