### [CVE-2019-15702](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15702)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
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### Description

In the TCP implementation (gnrc_tcp) in RIOT through 2019.07, the parser for TCP options does not terminate on all inputs, allowing a denial-of-service, because sys/net/gnrc/transport_layer/tcp/gnrc_tcp_option.c has an infinite loop for an unknown zero-length option.

### POC

#### Reference
- https://github.com/RIOT-OS/RIOT/issues/12086

#### Github
No PoCs found on GitHub currently.