Apache HTTP Server Path Traversal & Remote Code Execution (CVE-2021-41773 & CVE-2021-42013)

On October 4, 2021, Apache HTTP Server Project released Security advisory on a Path traversal and File disclosure vulnerability in Apache HTTP Server 2.4.49 and 2.4.50 tracked as CVE-2021-41773 and CVE-2021-42013. In the advisory, Apache also highlighted “the issue is known to be exploited in the...

Apache Tomcat HTTP Request Smuggling Vulnerability (CVE-2021-33037)

A vulnerability CVE-2021-33037 discovered this year in Apache Tomcat causes incorrect parsing of the HTTP transfer-encoding request header in some circumstances, leading to the possibility of HTTP Request Smuggling HRS when used with a reverse proxy. HTTP Request Smuggling HRS is a web applicatio...

Vulnerability On-Demand Search Reporting & Easy Download options

Vulnerability reporting is different from any other aspect of a Vulnerability Management Program. The methodologies of Discover, Assess, Report and Remediate are critical components that should be included in the respective sections of a Vulnerability Report. Qualys VMDR Vulnerability Management...

Exploit for Off-by-one Error in Sudo_Project Sudo

CVE-2021-3156 CVE-2021-3156 exploit Introducti...

Apple fixes zero-day in iOS and iPadOS 15.0.2 emergency release: Detect and Prioritize Vulnerabilities using VMDR for Mobile Devices

Apple recently released iOS and iPadOS 15.0.2 as an emergency security update that addresses 1 critical zero-day vulnerabilities, which is exploited in wild. Qualys recommends that security teams should immediately update all devices running iOS and iPadOS to the latest version. "Apple is aware o...

From Technical Features to Customer Security Metrics

Qualys solutions are packed with great functionality to deliver operational efficiency to all our customers, but the value does not end with bits and bytes. Qualys customers can count on Technical Account Managers to maximize the effectiveness of their subscription, and this post tells a story...

Assess Your Risk From Ransomware Attacks, Powered by Qualys Research

Ransomware attacks are among the most significant cyber threats facing businesses today. Recent warnings about Conti ransomware, issued by a joint cybersecurity advisory from the U.S. Cybersecurity and Infrastructure Security Agency CISA, FBI and National Security Agency, are a strong signal that...

The Rise of Ransomware

With most employees still working from remote locations, ransomware attacks have increased steadily since the early months of the Covid-19 pandemic. According to the FBI’s 2020 Internet Crime Report 2400+ ransomware-related incidents in 2020 resulted in a loss of about 29 million dollars. These...

QID Spotlight: Discover Azul Java Vulnerabilities

The Qualys vulnerability signatures team has released a new series of signatures detections for Azul Java, allowing security teams to identify Azul Java hosts and detect their vulnerabilities. Azul is a Java platform used for modern cloud enterprises. The platform is used for developing,...

Prioritize Remediation with a Perceived-Risk Approach to Strengthen CyberSecurity Effectiveness

Minimizing Time To Remediate TTR is becoming one of the key metrics of security program effectiveness. This holistic measure represents many capabilities and is a good validation of your risk mitigation capacity because it captures how quickly you can respond to the most critical vulnerabilities...

Exploit for Off-by-one Error in Sudo_Project Sudo

PoC exploit for CVE-2021-3156, a heap-based buffer overflow in Sudo. The target product/service is Sudo, a Unix command to execute a command with superuser root privileges. The vulnerability class/vector is a heap-based buffer overflow. Notable dependencies/tooling include the Qualys Security...

Apache Struts 2 Double OGNL Evaluation Vulnerability (CVE-2020-17530)

A vulnerability CVE-2020-17530 discovered last year in the Object Graph Navigation Language OGNL evaluation function of Apache Struts versions 2.0.0 – 2.5.25 can be exploited by attackers to perform remote code execution. This RCE vulnerability doesn’t come packaged with Apache struts but is...

Google Android September 2021 Security Patch Vulnerabilities: Discover and Take Remote Response Action Using VMDR for Mobile Devices

The recently released Android Security Bulletin for September 2021 addresses 40 vulnerabilities, out of which 7 are rated as critical vulnerabilities. The vulnerabilities affect open-source components such as the Android Framework, Android Media Framework, and Android System. The vulnerabilities...

Optimize Vulnerability Remediation with Proactive Zero-Touch Patch

Vulnerability remediation is a complex task, and most organizations struggle to identify, prioritize and remediate vulnerabilities efficiently. With the rise in vulnerability discovery, there is a correlating increase in ransomware attacks initiated through unpatched vulnerabilities. This has led...

HPE Warns Sudo Bug Gives Attackers Root Privileges to Aruba Platform

Hewlett Packard Enterprise HPE is warning a vulnerability in Sudo, an open-source program used within its Aruba AirWave management platform, could allow any unprivileged and unauthenticated local user to gain root privileges on a vulnerable host. Rated high in severity, HPE warns the Sudo flaw...

Google Android August 2021 Security Patch Vulnerabilities: Discover and Take Remote Response Action Using VMDR for Mobile Devices

The recently released Android Security Bulletin for August 2021 addresses 36 vulnerabilities, out of which 5 are rated as critical vulnerabilities. The vulnerabilities affect open-source components such as the Android Framework, Android Media Framework, and Android System. The vulnerabilities als...

Last Week’s Security News: Black Hat Pwnie Awards, iPhone Checks Photos, Evil Windows Print Server, Cisco VPN Routers Takeovers

Hello everyone! Last Weeks Security News, August 1 - August 8. Black Hat Pwnie Awards Last week was more quiet than normal with Black Hat USA and DEF CON security conferences. I would like to start with the Pwnie Awards, which are held annually at Black Hat. Its like an Oscar or Tony in the...

Microsoft and Adobe Patch Tuesday (August 2021) – Microsoft 51 Vulnerabilities with 7 Critical, Adobe 29 Vulnerabilities

Microsoft Patch Tuesday – August 2021 Microsoft patched 51 vulnerabilities in their August 2021 Patch Tuesday release, and 7 of them are rated as critical severity. Three 0-day vulnerability patches were included in the release. Critical Microsoft Vulnerabilities Patched CVE-2021-36942 - Windows...

QID Spotlight: Discover CBL-Mariner Vulnerabilities using Qualys VMDR

The Qualys vulnerability signatures team has released a new series of signatures detections for CBL-Mariner Common Base Linux, allowing security teams to identify CBL-Mariner hosts and detect their vulnerabilities. CBL-Mariner Common Base Linux is developed by Microsoft and is a Linux distributio...

Qualys Research Wins Two 2021 Pwnie Awards

The Qualys Research team won two Pwnie Awards today at Black Hat USA 2021 for discovering and responsibly disclosing these new vulnerabilities: Best Privilege Escalation Bug and Most Under-Hyped Research. The Qualys Research team received these awards: Best Privilege Escalation Bug Heap-based...