VDB-151215 · CVE-2019-19282 · ssa-270778

Siemens OpenPCS 7/SIMATIC Messages buffer size

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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Siemens OpenPCS 7 and SIMATIC. This impacts an unknown function. Performing a manipulation as part of Messages results in buffer size. This vulnerability is known as CVE-2019-19282. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Siemens OpenPCS 7 and SIMATIC (SCADA Software) (affected version unknown). It has been classified as problematic. This affects an unknown functionality. The manipulation as part of a Messages leads to a buffer size vulnerability. CWE is classifying the issue as CWE-131. The product does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow. This is going to have an impact on availability. The summary by CVE is:

A vulnerability has been identified in OpenPCS 7 V8.1 (All versions), OpenPCS 7 V8.2 (All versions), OpenPCS 7 V9.0 (All versions), SIMATIC BATCH V8.1 (All versions), SIMATIC BATCH V8.2 (All versions), SIMATIC BATCH V9.0 (All versions), SIMATIC NET PC Software (All versions < V16 update 1), SIMATIC PCS 7 V8.1 (All versions), SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), SIMATIC Route Control V8.1 (All versions), SIMATIC Route Control V8.2 (All versions), SIMATIC Route Control V9.0 (All versions), SIMATIC WinCC (TIA Portal) V13 (All versions < V13 SP2), SIMATIC WinCC (TIA Portal) V14.0.1 (All versions), SIMATIC WinCC (TIA Portal) V15.1 (All versions), SIMATIC WinCC (TIA Portal) V16 (All versions), SIMATIC WinCC V7.3 (All versions), SIMATIC WinCC V7.4 (All versions), SIMATIC WinCC V7.5 (All versions < V7.5.1 Upd1). Through specially crafted messages, when encrypted communication is enabled, an attacker with network access could use the vulnerability to compromise the availability of the system by causing a Denial-of-Service condition. Successful exploitation requires no system privileges and no user interaction.

The weakness was published 03/10/2020. This vulnerability is uniquely identified as CVE-2019-19282 since 11/26/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

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Productinfo

Type

SCADA Software

Vendor

Siemens

Name

License

commercial

Website

Vendor: https://www.siemens.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Siemens AG): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer size
CWE: CWE-131 / CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/26/2019 🔍
03/10/2020 +105 days 🔍
03/11/2020 +1 days 🔍
04/11/2024 +1492 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-270778
Status: Not defined

CVE: CVE-2019-19282 (🔍)
GCVE (CVE): GCVE-0-2019-19282
GCVE (VulDB): GCVE-100-151215

Entryinfo

Created: 03/11/2020 12:21
Updated: 04/11/2024 10:07
Changes: 03/11/2020 12:21 (35), 03/11/2020 12:26 (18), 04/11/2024 10:02 (19), 04/11/2024 10:07 (12)
Complete: 🔍
Cache ID: 216::103