CVE-2017-5196 Denial of service in n/a
Remote attackers can crash the Irssi IRC client by sending non-UTF8 strings, 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-2017-5196?
CVE-2017-5196 is a high-severity denial of service vulnerability in n/a, published on 3 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Irssi 0.8.18 before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via vectors involving strings that are not UTF8.
Weakness: CWE-125
Which versions are affected by CVE-2017-5196?
It affects 1 product.
Products include Irssi Irssi.
How do I fix CVE-2017-5196?
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-2017-5196 being exploited?
There is no known exploitation of CVE-2017-5196 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as ALPINE-CVE-2017-5196, DEBIAN-CVE-2017-5196, GHSA-v3m2-h894-2pfw, UBUNTU-CVE-2017-5196.