Homeland Security Releases New Cybersecurity Rules

DHS's second issue requires pipeline operators to implement various cybersecurity measures to protect their operations from cyber attacks. This directive also builds upon the department's May directive following the Colonial Pipeline attack...

GitLab: Stored XSS via Mermaid Prototype Pollution vulnerability

Summary I am continue investigating 1106238 and found additional vector for prototype pollution and stored xss. Steps to reproduce 1. Create an issue in any repository 2. Create mermaid diagram with following payload: %%init: 'proto': 'template': '' %% %%init: 'proto': 'template': '' %%...

Update Your Windows PCs to Patch 117 New Flaws, Including 9 Zero-Days

Microsoft rolled out Patch Tuesday updates for the month of July with fixes for a total of 117 security vulnerabilities, including nine zero-day flaws, of which four are said to be under active attacks in the wild, potentially enabling an adversary to take control of affected systems. Of the 117...

CISA Issues Emergency Directive on Microsoft Windows Print Spooler

CISA has issued Emergency Directive ED 21-04: Mitigate Windows Print Spooler Service Vulnerability addressing CVE-2021-34527. Attackers can exploit this vulnerability to remotely execute code with system level privileges enabling a threat actor to quickly compromise the entire identity...

EulerOS Virtualization for ARM 64 3.0.2.0 : cups (EulerOS-SA-2021-2120)

According to the versions of the cups package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with improved access...

Banning Surveillance-Based Advertising

The Norwegian Consumer Council just published a fantastic new report: "Time to Ban Surveillance-Based Advertising." From the Introduction: The challenges caused and entrenched by surveillance-based advertising include, but are not limited to: privacy and data protection infringements opaque...

Hackers Breached Colonial Pipeline Using Compromised VPN Password

The ransomware cartel that masterminded the Colonial Pipeline attack early last month crippled the pipeline operator's network using a compromised virtual private network VPN account password, the latest investigation into the incident has revealed. The development, which was reported by Bloomber...

Vulnerability fixed in Nginx

A vulnerability has been fixed in Nginx. The vulnerability allows a remote malicious party the ability to cause a denial-of-service cause and potentially execute arbitrary code by sending a specially prepared DNS response. Nginx is only vulnerable if the "resolver directive" is used in the...

Colonial Pipeline attack spurs new rules for critical infrastructure

Following a devastating cyberattack on the Colonial Pipeline, the Transportation Security Administration—which sits within the government’s Department of Homeland Security—will issue its first-ever cybersecurity directive for pipeline companies in the United States, according to exclusive reporti...

CVE-2021-28652

A flaw was found in Squid. A parser validation bug could allow a trusted client with Cache Manager API access privileges to trigger memory leaks, potentially resulting in a denial of service against Squid. The highest threat from this vulnerability is to system availability. Mitigation To mitigat...

CISA Publishes Eviction Guidance for Networks Affected by SolarWinds and AD/M365 Compromise

CISA has released an analysis report, AR21-134A Eviction Guidance for Networks Affected by the SolarWinds and Active Directory/M365 Compromise. The report provides detailed steps for affected organizations to evict the adversary from compromised on-premises and cloud environments. Additionally,...

Critical Patch Out for Critical Pulse Secure VPN 0-Day Under Attack

Ivanti, the company behind Pulse Secure VPN appliances, has released a security patch to remediate a critical security vulnerability that was found being actively exploited in the wild by at least two different threat actors. Tracked as CVE-2021-22893 CVSS score 10, the flaw concerns "multiple us...

CISA Emergency Directive 21-03: VPN Vulnerabilities Actively Exploited

On April 20, 2021, the Department of Homeland Security Cybersecurity and Infrastructure Security Agency CISA released an alert on the exploitation of Pulse Connect Secure Vulnerabilities with Alert AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities, as well as Emergency Directive ED...

CISA Updates Alert on Pulse Connect Secure

CISA has updated Alert AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities, originally released April 20. This update adds a new Detection section providing information on Impossible Travel and Transport Layer Security TLS Fingerprinting that may be useful in identifying malicious...

CISA Emergency Directive 21-03: VPN Vulnerabilities Actively Exploited

On April 20, 2021, the Department of Homeland Security Cybersecurity and Infrastructure Security Agency CISA released an alert on the exploitation of Pulse Connect Secure Vulnerabilities with Alert AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities, as well as Emergency Directive ED...

2021. The age of the super vulnerability?

I don’t know about you, but to me it seems that every week we are seeing another vulnerability that not only grants significant access to the vulnerable system but also more widely internally. This last week we have seen the latest round of Microsoft Exchange vulnerabilities. The April 2021 updat...

Overview of the EU’s draft NIS 2 Directive

Anticipating stronger security requirements for critical EU sectors A pdf copy of this brief is available here. The EU Commission recently proposed a revision to its Directive on Security of Network and Information Systems NIS. The existing NIS Directive “NIS 1” requires EU Member States to enact...

CISA Issues Emergency Directive on Pulse Connect Secure

CISA has issued Emergency Directive ED 21-03, as well as Alert AA21-110A, to address the exploitation of vulnerabilities affecting Pulse Connect Secure PCS software. An attacker could exploit these vulnerabilities to gain persistent system access and take control of the enterprise network operati...

CISA Releases Alert on Exploitation of Pulse Connect Secure Vulnerabilities

CISA is aware of ongoing exploitation of Ivanti Pulse Connect Secure vulnerabilities compromising U.S. government agencies, critical infrastructure entities, and private sector organizations. In response, CISA has released Alert AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities, as...

EFB Tampering 2. Device Integrity

TL;DR Electronic Flight Bag EFB integrity varies between different airlines and devices Aviation cyber security is becoming increasingly prominent with regulators EFBs often connect to unsecure networks including public Wi-Fi Security measures are not always effective and can be inconsistent Devi...