CVE-2016-10363 Denial of service in Logstash
Remote attackers can crash Logstash instances by sending malicious Netflow packets when the Netflow Codec plugin is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-10363?
CVE-2016-10363 is a high-severity denial of service vulnerability in Elastic Logstash, published on 16 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Logstash versions prior to 2.3.3, when using the Netflow Codec plugin, a remote attacker crafting malicious Netflow v5, Netflow v9 or IPFIX packets could perform a denial of service attack on the Logstash instance. The errors resulting from these crafted inputs are not handled by the codec and can cause the Logstash process to exit.
Which versions are affected by CVE-2016-10363?
It affects 1 product.
Products include Elastic Logstash.
How do I fix CVE-2016-10363?
No fix has been published for CVE-2016-10363 yet. Limit exposure of the affected software until one is available.
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-2016-10363 being exploited?
There is no known exploitation of CVE-2016-10363 in the wild and no public exploit code.
Other vulnerabilities in Elastic Logstash
- CVE-2019-7612 Information disclosure in Logstash
- CVE-2023-46672 Logstash Insertion of Sensitive Information into Log File
- CVE-2026-33466 Improper Limitation of a Pathname to a Restricted Directory in Logstash Leading to Arbitrary File Write
- CVE-2019-7620 Denial of service in Logstash
- CVE-2015-5378 Information disclosure in n/a
Sources
Also known as GHSA-x36p-26r2-96m6.