Exploit for Off-by-one Error in Sudo_Project Sudo

CVE-2021-3156 Root shell PoC for CVE-2021-3156 no brutef...

CVE-2021-44731

A race condition vulnerability in the snap-confine component setupprivatemount of snapd was found by Qualys. This flaw could lead to local privilege escalation from any user to root...

Upgrade Your FIM Program to Detect Risk and Streamline Compliance

File integrity monitoring FIM tools are essential for defending business and customer data, but legacy tools are falling short by swamping security analysts with irrelevant alerts. This blog describes how Qualys FIM easily solves such issues by accurately isolating file-level breaches and sending...

Assessing Certificate Risk with Qualys VMDR

Digital certificates and SSL are everywhere. However, managing an accurate inventory of all current certificates in use across your enterprise is an ongoing challenge. This blog examines the scale of the problem, the shortcomings of some popular certificate tracking methods, and how Qualys VMDR’s...

Slackware: Security Advisory (SSA:2017-177-01)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Exploit for Out-of-bounds Write in Polkit_Project Polkit

CVE-2021-4034 CVE-2021-40...

EDR Is Dead. Long Live Multi-Vector EDR.

News of EDR’s demise has been greatly exaggerated. Fact is: older approaches to EDR have to move over. There’s a new solution now: Multi-Vector EDR. This blog reviews the highlights of our latest release of this critically important app on the Qualys Cloud Platform. Although it now seems like a...

Qualys Multi-Vector EDR Excels in 2022 MITRE ATT&CK Evaluation

MITRE evaluated Qualys Multi-Vector EDR against competing alternatives, and the results are in. This blog reviews the basics of MITRE ATT&CK evaluation, how our EDR solution performed, and how to interpret the ratings. MITRE Engenuity has released the results of round 4 of its ATT&CK Evaluations...

Infographic: Log4Shell Vulnerability Impact by the Numbers

The full scope of risk presented by the Log4Shell vulnerability is something unprecedented, spanning every type of organization across every industry. Hard to find but easy to exploit, Log4Shell immediately places hundreds of millions of Java-based applications, databases, and devices at risk...

Qualys Study Reveals How Enterprises Responded to Log4Shell

On December 9, 2021, a critical zero-day vulnerability affecting Apache’s Log4j2 library, a Java-based logging utility, was disclosed to the world. This was no small announcement. As the third most used computer language, Java is practically ubiquitous. Its Log4j2 library is extremely popular...

Casdoor SQL Injection (CVE-2022-24124)

On Jan 22, 2022, a high severity SQL Injection vulnerability was reported in Casdoor which affected versions before 1.13.1 release. The vulnerability is tracked as CVE-2022-24124 with CVSS V3 7.5 score has a publicly available simple proof of concept which makes it easier for skilled attackers to...

PwnKit-Exploit - Proof Of Concept (PoC) CVE-2021-4034

Proof Of Concept PoC CVE-2021-4034 @c0br40x help to make this section in README!! Proof of Concept debian@debian:/PwnKit-Exploit$ make cc -Wall exploit.c -o exploit debian@debian:/PwnKit-Exploit$ whoami debian debian@debian:/PwnKit-Exploit$ ./exploit Current User before execute exploit...

Local Privilege Escalation in polkits pkexec

A bug exists in the polkit pkexec binary in how it processes arguments. If the binary is provided with no arguments, it will continue to process environment variables as argument variables, but without any security checking. By using the execve call we can specify a null argument list and populat...

Polkit pkexec Local Privilege Escalation Exploit

This is a Metasploit module for the argument processing bug in the polkit pkexec binary. If the binary is provided with no arguments, it will continue to process environment variables as argument variables, but without any security checking. By using the execve call we can specify a null argument...

Polkit pkexec Local Privilege Escalation

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Local Privilege Escalation in polkits pkexec', 'Description' = %q A bug exists in the polkit pkexec binary in how it processes arguments. If the...

Russia-Ukraine Crisis: How to Strengthen Your Security Posture to Protect against Cyber Attack, based on CISA Guidelines

CISA has created Shields Up as a response to the Russian invasion of Ukraine. Qualys is responding with additional security, monitoring and governance measures. This blog details how and what our enterprise customers can do to immediately strengthen their security posture and meet CISA’s...

Meet FedRAMP Compliance with Qualys Cloud Platform

FedRAMP compliance is not without its challenges. Learn about some of the major security controls and how the Qualys Cloud Platform can help achieve FedRAMP authorization. What is FedRAMP? The Federal Risk and Authorization Management Program FedRAMP is a U.S. government program that promotes the...

Enhanced Native DNS based Scanning with Qualys VMDR

Network based scanning of modern infrastructure is getting very complex, especially when the assets are behind CDNs, load balancers, firewalls, and more recently, ephemeral assets that spin up/down as required. This blog describes recent enhancements to Qualys Cloud Platform that allow native...

PwnKit vulnerability affects multiple SICK IPCs

CVE-2021-4034 is a Local Privilege Escalation LPE vulnerability, located in the "Polkit" package installed by default on almost every major distribution of the Linux operating system. On 2022-01-25, Qualys released an advisory for this LPE vulnerability, advising to either update the “Polkit”...

Managing CISA Known Exploited Vulnerabilities with Qualys VMDR

CISA released a directive in November 2021, recommending urgent and prioritized remediation of actively exploited vulnerabilities. Both government agencies and corporations should heed this advice. This blog outlines how Qualys Vulnerability Management, Detection & Response can be used by any...