CVE-2019-1010251 Security feature bypass in Suricata

High 7.5 Published 18 Jul 2019 Updated 5 Aug 2024

Attackers can evade Suricata signature detection by sending specially crafted network packets, bypassing security monitoring.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2019-1010251?

CVE-2019-1010251 is a high-severity vulnerability in Oisf Suricata, published on 18 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Open Information Security Foundation Suricata prior to version 4.1.2 is affected by: Denial of Service - DNS detection bypass. The impact is: An attacker can evade a signature detection with a specialy formed network packet. The component is: app-layer-detect-proto.c, decode.c, decode-teredo.c and decode-ipv6.c (https://github.com/OISF/suricata/pull/3590/commits/11f3659f64a4e42e90cb3c09fcef66894205aefe, https://github.com/OISF/suricata/pull/3590/commits/8357ef3f8ffc7d99ef6571350724160de356158b). The attack vector is: An attacker can trigger the vulnerability by sending a specifically crafted network request. The fixed version is: 4.1.2.

Weakness: CWE-20

Which versions are affected by CVE-2019-1010251?

It affects 1 product.

Products include Oisf Suricata.

How do I fix CVE-2019-1010251?

Upgrade to a fixed version.

Is CVE-2019-1010251 being exploited?

There is no known exploitation of CVE-2019-1010251 in the wild and no public exploit code.

All Oisf Suricata vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-1010251, GHSA-28r9-967h-xvcv, UBUNTU-CVE-2019-1010251.