CVE-2016-1983 Denial of service in n/a
Remote attackers can crash the Privoxy proxy server by sending an empty HTTP Host 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-2016-1983?
CVE-2016-1983 is a high-severity denial of service vulnerability in n/a, published on 27 Jan 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.
Weakness: CWE-20
Which versions are affected by CVE-2016-1983?
It affects 1 product.
Products include Privoxy Privoxy.
How do I fix CVE-2016-1983?
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-2016-1983 being exploited?
There is no known exploitation of CVE-2016-1983 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2016-1983, GHSA-6frp-gfc5-q2xj.