Siemens SIMATIC WinCC Flexible up to 2008 Tag Simulator memory corruption

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.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Siemens SIMATIC WinCC Flexible up to 2008. This affects an unknown function of the component Tag Simulator. Executing a manipulation can lead to memory corruption. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Siemens SIMATIC WinCC Flexible up to 2008 (SCADA Software). It has been declared as critical. This vulnerability affects an unknown code block of the component Tag Simulator. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 09/01/2011 by Billy Rios Terry McCorkle with ICS-CERT (Website). The advisory is shared for download at us-cert.gov. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at support.automation.siemens.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Secunia (SA45770†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

SCADA Software

Vendor

Siemens

Name

SIMATIC WinCC Flexible

Version

2008

License

commercial

Website

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

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
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: 🔍

Patch: support.automation.siemens.com

Timelineinfo

09/01/2011 🔍
09/01/2011 +0 days 🔍
09/16/2011 +15 days 🔍
03/24/2019 +2746 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: us-cert.gov
Researcher: Billy Rios Terry McCorkle
Organization: ICS-CERT
Status: Not defined

GCVE (VulDB): GCVE-100-4408
Secunia: 45770 - Siemens SIMATIC WinCC Flexible Tag Simulator Memory Corruption Vulnerability, Highly Critical

Entryinfo

Created: 09/16/2011 02:00
Updated: 03/24/2019 11:36
Changes: 09/16/2011 02:00 (51), 03/24/2019 11:36 (1)
Complete: 🔍
Cache ID: 216:B67:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.