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

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Suricata up to 3.x. Affected by this issue is the function DetectEngineContentInspection of the file detect-engine-content-inspection.c of the component Check Handler. This manipulation causes 7pk security. This vulnerability is handled as CVE-2017-15377. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

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 summary by CVE is:

In Suricata before 4.x, it was possible to trigger lots of redundant checks on the content of crafted network traffic with a certain signature, because of DetectEngineContentInspection in detect-engine-content-inspection.c. The search engine doesn't stop when it should after no match is found; instead, it stops only upon reaching inspection-recursion-limit (3000 by default).

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 databases at Tenable (119425) and SecurityFocus (BID 97047†). Entries connected to this vulnerability are available at VDB-98270 and VDB-112921. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: 7pk security
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Suricata 4.0
Patch: github.com

Timelineinfo

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 🔍

Sourcesinfo

Advisory: b9579fbe7dd408200ef03cbe20efddb624b73885
Status: Confirmed

CVE: CVE-2017-15377 (🔍)
GCVE (CVE): GCVE-0-2017-15377
GCVE (VulDB): GCVE-100-108571
SecurityFocus: 97047 - Suricata CVE-2017-7177 Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 10/24/2017 11:03
Updated: 01/04/2023 14:00
Changes: 10/24/2017 11:03 (69), 11/30/2019 11:42 (11), 01/04/2023 13:54 (5), 01/04/2023 14:00 (1)
Complete: 🔍
Cache ID: 216:752:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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