CVE-2021-42574

An issue was discovered in the Bidirectional Algorithm in the Unicode Specification through 14.0. It permits the visual reordering of characters via control sequences, which can be used to craft source code that renders different logic than the logical ordering of tokens ingested by compilers and...

Security feature bypass

DISPUTED An issue was discovered in the character definitions of the Unicode Specification through 14.0. The specification allows an adversary to produce source code identifiers such as function names using homoglyphs that render visually identical to a target identifier. Adversaries can leverage...

CVE-2021-42574

An issue was discovered in the Bidirectional Algorithm in the Unicode Specification through 14.0. It permits the visual reordering of characters via control sequences, which can be used to craft source code that renders different logic than the logical ordering of tokens ingested by compilers and...

Security Bulletin: Multiple Vulnerabilities in IBM Java SDK affect IBM Virtualization Engine TS7700 - July 2021

Summary There are multiple vulnerabilities in IBM® SDK Java™ Technology Edition, Version 8, as used by IBM Virtualization Engine TS7700. These issues were disclosed as part of the IBM Java SDK updates in July 2021. IBM Virtualization Engine TS7700 has addressed the applicable CVEs. Vulnerability...

Sensormatic Electronics victor

1. EXECUTIVE SUMMARY CVSS v3 7.8 ATTENTION: Low attack complexity Vendor: Sensormatic Electronics, LLC, a subsidiary of Johnson Controls, Inc. Equipment: victor Vulnerability: Use of Hard-coded Credentials 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an...

2021 CWE Most Important Hardware Weaknesses

The Homeland Security Systems Engineering and Development Institute, sponsored by the Department of Homeland Security and operated by MITRE, has released the 2021 Common Weakness Enumeration CWE Most Important Hardware Weaknesses List. The 2021 Hardware List is a compilation of the most frequent...

FBI Releases Indicators of Compromise Associated with Ranzy Locker Ransomware

The Federal Bureau of Investigation FBI has released a Flash report detailing indicators of compromise IOCs associated with attacks using Ranzy Locker, a ransomware variant first identified targeting victims in the United States in late 2020. CISA encourages users and administrators to review the...

NOBELIUM Attacks on Cloud Services and other Technologies

Microsoft has released a blog on NOBELIUM attacks on cloud services and other technologies. CISA urges users and administrators to review NOBELIUM targeting delegated administrative privileges to facilitate broader attacks and apply the necessary mitigations. This product is provided subject to...

Security Bulletin: Oracle Database Server Vulnerability Affects IBM Emptoris Sourcing (CVE-2021-2329)

Summary An Oracle database server vulnerability has been addressed by BM Emptoris Sourcing. Vulnerability Details CVEID: CVE-2021-2329 DESCRIPTION: An unspecified vulnerability in Oracle Database Server related to the XML DB component could allow an authenticated attacker to take control of the...

Security Bulletin: Oracle Database Server Vulnerability Affects IBM Emptoris Sourcing (CVE-2021-2328)

Summary An Oracle database server vulnerability has been addressed by IBM Emptoris Sourcing. Vulnerability Details CVEID: CVE-2021-2328 DESCRIPTION: An unspecified vulnerability in Oracle Database Server related to the Text component could allow an authenticated attacker to take control of the...

ICONICS GENESIS64 and Mitsubishi Electric MC Works64 OPC UA

1. EXECUTIVE SUMMARY CVSS v3 7.5 ATTENTION: Exploitable remotely/low attack complexity Vendors: ICONICS, Mitsubishi Electric Equipment: ICONICS GENESIS64, Mitsubishi Electric MC Works64 Vulnerability: Uncontrolled Recursion 2. RISK EVALUATION Successful exploitation of this vulnerability could...

Feds Warn BlackMatter Ransomware Gang is Poised to Strike

Federal authorities are warning businesses to shore up cybersecurity defenses as it carefully monitors the reemergence of the DarkSide ransomware gang, believed responsible for the crippling Colonial Pipeline attack in May 2021. The ransomware-as-a-service gang has regrouped under the moniker...

Trane HVAC Systems Controls

1. EXECUTIVE SUMMARY CVSS v3 6.3 ATTENTION: Exploitable remotely/low attack complexity Vendor: Trane Equipment: Building Automation Controllers Tracer SC Vulnerability: Cross-site Scripting 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an attacker to redirect a user...

How a simple Linux kernel memory corruption bug can lead to complete system compromise

An analysis of current and potential kernel security mitigations Posted by Jann Horn, Project Zero Introduction This blog post describes a straightforward Linux kernel locking bug and how I exploited it against Debian Buster's 4.19.0-13-amd64 kernel. Based on that, it explores options for securit...

CISA, FBI, and NSA Release Joint Cybersecurity Advisory on BlackMatter Ransomware

CISA, the Federal Bureau of Investigation FBI, and the National Security Agency NSA have released joint Cybersecurity Advisory CSA: BlackMatter Ransomware. Since July 2021, malicious cyber actors have used BlackMatter ransomware to target multiple U.S. critical infrastructure entities, including ...

Uffizio GPS Tracker

1. EXECUTIVE SUMMARY CVSS v3 9.8 ATTENTION: Exploitable remotely/low attack complexity Vendor: Uffizio Equipment: GPS Tracker Vulnerabilities: Improper Access Control, Unrestricted Upload of File with Dangerous Type, Open Redirect, Cross-site Scripting, Cross-site Request Forgery 2. RISK...

GHSA-WQGP-VPHW-HPHF Security issues in AWS KMS and AWS Encryption SDKs: in-band protocol negotiation and robustness

Authors: Thai "thaidn" Duong Summary The following security vulnerabilities was discovered and reported to Amazon, affecting AWS KMS and all versions of AWS Encryption SDKs prior to version 2.0.0: Information leakage: an attacker can create ciphertexts that would leak the user’s AWS account ID,...

Security issues in AWS KMS and AWS Encryption SDKs: in-band protocol negotiation and robustness

Authors: Thai "thaidn" Duong Summary The following security vulnerabilities was discovered and reported to Amazon, affecting AWS KMS and all versions of AWS Encryption SDKs prior to version 2.0.0: Information leakage: an attacker can create ciphertexts that would leak the user’s AWS account ID,...

Advantech WebAccess

1. EXECUTIVE SUMMARY CVSS v3 9.8 ATTENTION: Exploitable remotely/low attack complexity Vendor: Advantech Equipment: WebAccess Vulnerabilities: Heap-based Buffer Overflow, Stack-based Buffer Overflow 2. RISK EVALUATION Successful exploitation of these vulnerabilities could allow an attacker to...

Siemens SIMATIC Process Historian

1. EXECUTIVE SUMMARY CVSS v3 9.8 ATTENTION: Exploitable remotely/low attack complexity Vendor: Siemens Equipment: SIMATIC Process Historian Vulnerability: Missing Authentication for Critical Function 2. RISK EVALUATION Successful exploitation of this vulnerability could enable the execution of...