VDB-108571 · CVE-2017-15377 · BID 97047

Suricata up to 3.x Check detect-engine-content-inspection.c DetectEngineContentInspection 7pk security

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

A vulnerability has been found in Suricata up to 3.x and classified as problematic. Affected by this vulnerability is the function DetectEngineContentInspection of the file detect-engine-content-inspection.c of the component Check Handler. The manipulation with an unknown input leads to a 7pk security vulnerability. The CWE definition for the vulnerability is CWE-254. As an impact it is known to affect availability.

The bug was discovered 10/16/2017. The weakness was released 10/23/2017 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2017-15377 since 10/16/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1211 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 119425 (Debian DLA-1603-1 : suricata security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176778 (Debian Security Update for suricata (DLA 1603-1)).

Upgrading to version 4.0 eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (119425). Entries connected to this vulnerability are available at 98270 and 112921.





CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: 7pk security
CWE: CWE-254
ATT&CK: T1211

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 119425
Nessus Name: Debian DLA-1603-1 : suricata security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Suricata 4.0
Patch: github.com


03/18/2017 🔍
10/16/2017 +212 days 🔍
10/16/2017 +0 days 🔍
10/23/2017 +7 days 🔍
10/23/2017 +0 days 🔍
10/24/2017 +1 days 🔍
12/04/2018 +406 days 🔍
12/06/2018 +2 days 🔍
01/04/2023 +1490 days 🔍


Advisory: b9579fbe7dd408200ef03cbe20efddb624b73885
Status: Confirmed

CVE: CVE-2017-15377 (🔍)
SecurityFocus: 97047 - Suricata CVE-2017-7177 Security Bypass Vulnerability

See also: 🔍


Created: 10/24/2017 11:03 AM
Updated: 01/04/2023 02:00 PM
Changes: 10/24/2017 11:03 AM (69), 11/30/2019 11:42 AM (11), 01/04/2023 01:54 PM (5), 01/04/2023 02:00 PM (1)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Do you know our Splunk app?

Download it now for free!