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...

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...

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...

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...

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,...

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,...

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...

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 RUGGEDCOM ROX Devices

1. EXECUTIVE SUMMARY CVSS v3 7.5 ATTENTION: Exploitable remotely/low attack complexity Vendor: Siemens Equipment: RUGGEDCOM ROX Vulnerability: Uncontrolled Resource Consumption 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an unauthenticated attacker to cause a...

Side-channels Related to the x86 PREFETCH Instruction

Bulletin ID: AMD-SB-1017 Potential Impact: Leaked kernel address space information Severity: Medium Summary Researchers from Graz University of Technology with CISPA Helmholtz Center for Information Security have demonstrated timing and power-based side channel attacks leveraging the x86 PREFETCH...

CVE-2021-37976

Inappropriate implementation in Memory in Google Chrome prior to 94.0.4606.71 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. Recent assessments: gwillcox-r7 at October 02, 2021 7:27pm UTC reported: More info will be available at...

Security Bulletin: IBM App Connect Enterprise Certified Container Integration Servers may be vulnerable to a symlink attack due to CVE-2021-39134

Summary IBM App Connect Enterprise Certified Container Integration Server images may be vulnerable to a symlink attack that could alter the files on disk due to vulnerabilities in the Node module npm. The npm module is not used at runtime by IBM App Connect Enterprise itself, but anyone using the...

FATEK Automation Communication Server

1. EXECUTIVE SUMMARY CVSS v3 9.8 ATTENTION: Exploitable remotely/low attack complexity Vendor: FATEK Automation Equipment: Communication Server Vulnerability: Stack-based Buffer Overflow 2. RISK EVALUATION Successful exploitation of this vulnerability may allow remote code execution. 3...

Authentication bypass for viewing and deletions of snapshots

Today we are releasing Grafana 7.5.11, and 8.1.6. These patch releases include an important security fix for an issue that affects all Grafana versions from 2.0.1. Grafana Cloud instances have already been patched and an audit did not find any usage of this attack vector. Grafana Enterprise...