Siemens SIMATIC PROFINET DCP Broadcast Packet input validation

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.
5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Siemens SIMATIC. It has been classified as problematic. The affected element is an unknown function of the component PROFINET DCP Broadcast Packet Handler. Performing a manipulation results in input validation. This vulnerability is known as CVE-2017-6865. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Siemens SIMATIC (SCADA Software) (unknown version). It has been classified as problematic. This affects an unknown code block of the component PROFINET DCP Broadcast Packet Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

Siemens SIMATIC WinCC (TIA Portal) (V13 all versions before SP2 and V14 before SP1), SIMATIC STEP 7 (TIA Portal) (V13 all versions before SP2 and V14 before SP1), SIMATIC STEP 7 V5.X (All versions), STEP 7 - Micro/WIN SMART (All versions), SMART PC Access V2.0, SIMATIC Automation Tool (All versions), SIMATIC WinCC (All versions), SIMATIC PCS 7 (All versions), SIMATIC NET PC-Software (All versions), Primary Setup Tool (PST) (All versions), Security Configuration Tool (SCT) (All versions), SINEMA Server (All versions), SINAUT ST7CC (All versions), SIMATIC WinAC RTX 2010 SP2 (All versions), SIMATIC WinAC RTX F 2010 SP2 (All versions), SINUMERIK 808D Programming Tool (All versions), SIMATIC WinCC flexible 2008 (All versions) could be affected by a Denial-of-Service condition induced by a specially crafted PROFINET DCP broadcast (Layer 2 - Ethernet) packet.

The weakness was published 05/11/2017 by Security Team (Website). The advisory is shared at siemens.com. This vulnerability is uniquely identified as CVE-2017-6865 since 03/13/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98366†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/13/2017 🔍
05/09/2017 +57 days 🔍
05/11/2017 +2 days 🔍
05/11/2017 +0 days 🔍
05/12/2017 +1 days 🔍
12/06/2022 +2034 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-275839
Researcher: Security Team
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6865 (🔍)
GCVE (CVE): GCVE-0-2017-6865
GCVE (VulDB): GCVE-100-101085
SecurityFocus: 98366 - Multiple Siemens Products CVE-2017-6865 Denial of Service Vulnerability
OSVDB: - CVE-2017-6865 - Siemens - Multiple Products - Denial of Service Issue

Entryinfo

Created: 05/12/2017 14:34
Updated: 12/06/2022 10:34
Changes: 05/12/2017 14:34 (58), 09/25/2020 12:41 (5), 12/06/2022 10:34 (4)
Complete: 🔍
Cache ID: 216:DC4:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!