Public ICS Disclosures – Week of 12-14-19

This week we have five vendor disclosures for products from WAGO, ABB, 3S, BD and Symantech. There is also an updated advisory from 3S.

WAGO Advisory

CERT-VDE published an advisory describing 9 vulnerabilities in the WAGO Series PFC100 and Series PFC200 devices. The vulnerabilities were reported (CVE links to individual reports) by Kelly Leuschner of Cisco Talos. WAGO has a specific workaround and firmware updates to mitigate the vulnerabilities. There is no indication that Leuschner has been provided an opportunity to verify the efficacy of the fix.

The nine reported vulnerabilities are:

• Information exposure through sent data - CVE-2019-5073;

• Buffer access with incorrect length value (2) - CVE-2019-5074 and CVE-2019-5075;

• Missing authentication for critical function (3) - CVE-2019-5077, CVE-2019-5078 and CVE-2019-5080; and

• Classic buffer overflow (3) - CVE-2019-5079, CVE-2019-5081 and CVE-2019-5082

NOTE1: The following Talos reports include exploit code: CVE-2019-5073; CVE-2019-5074; CVE-2019-5075; CVE-2019-5079; CVE-2019-5081; CVE-2019-5082

NOTE2: Talos reports that some of these vulnerabilities are in third-party components from 3S.

ABB Advisory

ABB published an advisory that describes four vulnerabilities in their PB610 Panel Builder 600. The vulnerabilities were reported by NSFOCUS. ABB has a new version that mitigates the vulnerabilities. There is no indication that NSFOCUS was provided an opportunity to verify the efficacy of the fix.

The four reported vulnerabilities are:

• PB610 HMIStudio crashes after launching an empty *.JPR application file;

• PB610 HMISimulator does not check content-length of the HTTP request;

• PB610 HMIStudio accepts malicious DLL file in an application; and

• PB610 HMISimulator provides interface with access to arbitrary files

3S Advisory

3S published an advisory [.PDF download link] describing a null pointer dereference vulnerability in their CODESYS V2 runtime systems. The vulnerability was reported by Chen Jie from NSFOCUS. 3S has new versions that mitigate the vulnerability. There is no indication that Chen has been provided an opportunity to verify the efficacy of the fix.

3S Update

3S published an update [.PDF download link] of an advisory that was originally published on November 20^th, 2019. The new data includes updated exploit information.

BD Advisory

BD has published an advisory describing the impact of the Internet Explorer® Scripting Engine Memory Corruption Vulnerability in their products. The vulnerability is self-reported. BD is working to test and validate the Microsoft patch for BD products that use the affected third-party components.

Symantec Advisory

Symantec has published an advisory describing an improper authentication vulnerability in their Industrial Control System Protection product. The vulnerability was reported by Tyler Holland at Horne Cyber Solutions. Symantec has an update that mitigates the vulnerability. There is no indication that Holland has been provided an opportunity to verify the efficacy of the fix.

Public ICS Disclosures – Week of 09-05-19

This week we have URGENT/11 updates from three ICS vendors; seven new vendor disclosures from Siemens, Schneider (4), Beckhoff (2) and Drager; six updates of previously issued advisories from Siemens (2), Schneider (3) and Yokogawa, and one exploit of a previously reported vulnerability for products from SMA Solar Technology.

URGENT/11 Updates

ABB AC 800PEC;

Schneider;

Rockwell;

Siemens Advisory

Siemens published an advisory describing twelve vulnerabilities in the Siemens SIMATIC WinAC

RTX (F) 2010. These vulnerabilities are known as Spectre, Meltdown, Spectre-NG, Foreshadow, L1 Terminal Fault (L1TF), ZombieLoad, and Microarchitectural Data Sampling (MDS). These vulnerabilities were reported by various researchers. Siemens has an update that mitigates the vulnerabilities.

Schneider Advisories

Modicon Controllers Advisory #1

Schneider published an advisory describing a file and directory information disclosure vulnerability in the Schneider Modicon brand of programmable logic controllers. The vulnerability was reported by Jared Rittle (Cisco Talos); the report includes proof-of-concept (POC) code. Schneider provides generic workarounds to mitigate the vulnerability.

Modicon Controllers Advisory #2

Schneider published an advisory describing six vulnerabilities in the Schneider Modicon brand of programmable logic controllers. The vulnerabilities were reported by Jared Rittle and Patrick DeSantis (Cisco Talos) (the CVE links below are to the individual reports which contain POC code). Schneider provides generic workarounds to mitigate the vulnerability.

The six reported vulnerabilities are:

• Uncaught exception (5) - CVE-2019-6841, CVE-2019-6842, CVE-2019-6843, CVE-2019-6844 and CVE-2019-6847; and

• Clear-text transmission of sensitive information - CVE-2019-6846;

Modicon Controllers Advisory #3

Schneider published an advisory describing a clear-text transmission of sensitive information vulnerability in the Schneider Modicon brand of programmable logic controllers. The vulnerability was reported by Jared Rittle (Cisco Talos). Schneider provides generic workarounds to mitigate the vulnerability.

Modicon Controllers Advisory #4

Schneider published an advisory describing three vulnerabilities in the Schneider Modicon brand of programmable logic controllers. The vulnerabilities were reported by Jared Rittle (Cisco Talos) (the CVE links below are to the individual reports which contain POC code). Schneider provides generic workarounds to mitigate the vulnerability.

The three reported vulnerabilities are:

• Uncaught exception vulnerability - CVE-2019-6848; and

• Information exposure (2) - CVE-2019-6849 and CVE-2019-6850

Beckhoff Advisories

TwinCat Advisory

VDE-CERT published an advisory describing a divide by zero vulnerability in the Beckhoff TwinCAT real-time controller. The vulnerability was reported by Andreas Galauner from Rapid7. The Beckhoff advisory on this vulnerability reports that they are working on an update to mitigate the vulnerability.

CE Remote Display Advisory

Beckhoff published an advisory describing an incorrect login response vulnerability in the Beckhoff CE Remote Display. The vulnerability was reported by Chen Jie from NSFOCUS and Tijl Deneut from University Howest. Beckhoff has updates that mitigate the vulnerability. There is no indication that the researchers have been provided an opportunity to verify the efficacy of the fix.

Drager Advisory

Drager has published an advisory describing three vulnerabilities in the Drager Infinity® M300 patient monitor. Drager is self-reporting the vulnerabilities. Drager will be releasing a new version to mitigate the vulnerabilities in March 2020.

The three reported vulnerabilities are:

• Network DDOS attack;

• Repeated DDOS attacks; and

• Information exposure

Siemens Updates

Industrial Products Update

Siemens published an update for an advisory that was originally published in May of 2017 and most recently updated on February 14^th, 2019. The new information includes:

• Merged WinAC RTX 2010 SP2 and WinAC RTX F 2010 SP2 to SIMATIC WinAC RTX (F) 2010; and

• Added mitigation information for SIMATIC WinAC RTX (F) 2010

NOTE: I expect NCCIC-ICS to update their advisory this week.

SIMATIC S7 Update

Siemens published an update for an advisory that was originally reported in November 2018 and most recently updated on August 13^th, 2019. The new information includes:

• Added CVE-2019-1125, CVE-2019-15666 and CVE-2019-15903; and

• Removed CVE2018-19591 from the list of fixed vulnerabilities

NOTE: NCCIC-ICS has not addressed these Linux vulnerabilities.

Schneider Updates

Floating License Manager Update

Schneider published an update for an advisory that was originally published in May 2019 and most recently updated on September 10^th, 2019. The new information is updated remediations for EcoStruxure Power

Monitoring Expert.

NOTE: NCCIC-ICS may update their advisory, but they did not update for the last Schneider update.

SoMachine Update

Schneider published an update for an advisory that was originally published on August 13^th, 2019. The new information is adding SoMove FDT to the list of affected products.

NOTE: NCCIC-ICS did not address this vulnerability.

Embedded Web Server Update

Schneider published an update for an advisory that was originally published in November 2018 and most recently updated on June 11^th, 2019. The new information includes mitigation information for the M340 controller.

 NOTE: NCCIC-ICS did not address these vulnerabilities.

Yokogawa Update

Yokogawa published an update for an advisory that was originally published on September 27^th, 2019. The new information includes updated affected version data and mitigation measures for Exaquantum.

NOTE: NCCIC-ICS will probably update their advisory this week.

SMA Exploit

Borja Merino published an exploit for a cross-site forgery vulnerability in the SMA Sunny WebBox. An advisory for the vulnerability was published on October 8^th, 2019.

Public ICS Disclosures – Week of 09-07-19

This week we have 11 vendor disclosures for products from Siemens (3), Schneider (3), Bosch (2), 3S, Eaton, and Draeger. We also have 3 vendor updates from Schneider (2) and Siemens.

Siemens Advisories

DejaBlue Advisory

Siemens published an advisory describing the Microsoft Windows® DejaBlue vulnerabilities in the Siemens Healthineers Products. In most of the affected products Siemens is recommending applying the appropriate MS patches.

Siemens repeatedly makes the following observation: “The compatibility of Microsoft security patches with products from Siemens Healthineers that are beyond their End of Support date cannot be guaranteed.”

RUGGEDCOM URGENT/11 Advisory

Siemens published an advisory describing the Wind River URGENT/11 vulnerabilities in the Siemens RUGGEDCOM Win base stations. Siemens provides generic workarounds for the vulnerabilities.

SINEMA Advisory

Siemens published an advisory describing four vulnerabilities in the Siemens r SINEMA Remote Connect Server. The vulnerabilities were reported by Hendrik Derre and Tijl Deneut from HOWEST. Siemens has a new version that mitigates the vulnerabilities. There is no indication that the researchers have been provided an opportunity to verify the efficacy of the fix.

The four reported vulnerabilities are:

• Password guessing - CVE-2019-13918;

• Privilege escalation - CVE-2019-13919;

• Cross-site request forgery - CVE-2019-13920; and

• Password hash - CVE-2019-13922

Siemens Update

Siemens published an update for an advisory that was originally published on June 9^th, 2019. This update provides corrected version information and mitigation information for:

• FieldPG M4;

• FieldPG M5; and

• ITP1000

Schneider Advisories

U.Motion Server Advisory

Schneider published an advisory describing six vulnerabilities in the Schneider U.motion din rail and touch panel servers. The vulnerabilities were reported by Zhu Jiaqi and Constantin-Cosmin Craciun. Schneider has a new version that mitigates the vulnerabilities. There is no indication that the researchers have been provided an opportunity to verify the efficacy of the fix.

The six reported vulnerabilities are:

• Cross-site scripting - CVE-2019-6835;

• Improper access control (3) - CVE-2019-6836, CVE-2019-6838 and CVE-2019-6839;

• Server-side request forgery - CVE-2019-6837; and

• Format string - CVE-2019-6840

Modicon Quantum Advisory

Schneider published an advisory describing an improper check for unusual or exceptional conditions vulnerability for the Schneider Modicon Quantum 140 NOE771x1 controllers. The vulnerability is self-reported. Schneider has a new version that mitigates the vulnerability.

TwidoSuite Advisory

Schneider published an advisory describing two vulnerabilities in the Schneider TwidoSuite product. The vulnerability is self-reported. This product is no longer supported.

The two reported vulnerabilities are:

• Untrusted search path;

• Input validation

Schneider Updates

BlueKeep Update

Schneider published an update for an advisory that was originally published on July 12, 2019. The update includes:

• Exploit information; and

• Updated affected product versions

 Floating License Manager Update

Schneider published an update for an advisory that was originally published on May 14^th, 2019. The update provides updated affected product information.

Bosch Advisories

Bosch published two advisories (here and here) describing vulnerabilities in the Access Professional access control system. The vulnerabilities were reported by Oleksii Orekhov. Bosch has a new version that mitigates the vulnerabilities. There is no indication that Orekhov has been provided an opportunity to verify the efficacy of the fix.

The two reported vulnerabilities are:

• Hard-coded credentials - CVE-2019-11898; and

• Improper access control - CVE-2019-11899

3S Advisory

3s published an advisory describing a stack-based buffer overflow vulnerability in the CODESYS V2.3 ENI servers. This vulnerability was reported by Chen Jie from NSFOCUS. 3S has an update that mitigates the vulnerability. There is no indication that Chen has been provided an opportunity to verify the efficacy of the fix.

Eaton Advisory

Eaton published an advisory describing multiple undisclosed vulnerabilities in the Eaton Intelligent Power Protector. The vulnerabilities are apparently self-reported. Eaton has a new version that mitigates the vulnerabilities.

NOTE: Eaton continues to publish unusable security advisories.

Drager Advisory

Drager published an advisory describing the Microsoft Windows® DejaBlue vulnerabilities in Drager products.