CVE-2021-31727

Incorrect access control in zam64.sys, zam32.sys in MalwareFox AntiMalware 2.74.0.150 where IOCTL's 0x80002014, 0x80002018 expose unrestricted disk read/write capabilities respectively. A non-privileged process can open a handle to .\ZemanaAntiMalware, register with the driver using IOCTL...

CISO Challenge: Check Your Cybersecurity Skills On This New Competition Site

InfoSec leaders tend to be a specific type. Their jobs require them to think of possible threats, take actions that may not pay immediate results, plan for unknown security risks, and react quickly when emergencies arise, often before the morning's first coffee. The high-stakes position also mean...

Stopping Carbanak+FIN7: How Microsoft led in the MITRE Engenuity® ATT&CK® Evaluation

In MITRE Engenuity’s recent Carbanak+FIN7 ATT&CK Evaluation, Microsoft demonstrated that we can stop advanced, real-world attacks by threat actor groups with our industry-leading security capabilities. In this year’s evaluation, we engaged our unified Microsoft 365 Defender stack, with...

Stopping Carbanak+FIN7: How Microsoft led in the MITRE Engenuity® ATT&CK® Evaluation

In MITRE Engenuity’s recent Carbanak+FIN7 ATT&CK Evaluation, Microsoft demonstrated that we can stop advanced, real-world attacks by threat actor groups with our industry-leading security capabilities. In this year’s evaluation, we engaged our unified Microsoft 365 Defender stack, with...

[SECURITY] Fedora 33 Update: pngcheck-2.4.0-8.fc33

pngcheck verifies the integrity of PNG, JNG and MNG files by checking the internal 32-bit CRCs checksums and decompressing the image data; it can optionally dump almost all of the chunk-level information in the image in human-readable form. For example, it can be used to print the basic statist i...

Fedora: Security Advisory for pngcheck (FEDORA-2021-eb5d6cf9f6)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

Researchers Uncover Stealthy Linux Malware That Went Undetected for 3 Years

A previously undocumented Linux malware with backdoor capabilities has managed to stay under the radar for about three years, allowing the threat actor behind the operation to harvest and exfiltrate sensitive information from infected systems. Dubbed "RotaJakiro" by researchers from Qihoo 360...

MITRE Engenuity ATT&CK® Evaluation proves Microsoft Defender for Endpoint stops advanced attacks across platforms

For the third year in a row, Microsoft successfully demonstrated industry-leading defense capabilities in the independent MITRE Engenuity ATT&CK Adversarial Tactics, Techniques, and Common Knowledge Evaluations. As the attack surface evolves on a near-daily basis, threat actors are creating more...

[eBook] Why Autonomous XDR Is Going to Replace NGAV/EDR

For most organizations today, endpoint protection is the primary security concern. This is not unreasonable – endpoints tend to be the weakest points in an environment – but it also misses the forest for the trees. As threat surfaces expand, security professionals are harder pressed to detect...

NitroRansomware Asks for $9.99 Discord Gift Codes, Steals Access Tokens

The NitroRansomware malware strain is shaking up the ransomware norm by demanding Discord Nitro gift codes from victims instead of actual money. Discord is a VoIP, instant messaging and digital-distribution platform designed for creating communities. Users communicate with voice calls, video call...

CVE-2021-3493

The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combination of unprivileged user namespaces along with a patch carried in the Ubuntu kernel to allow...

CVE-2021-3493

The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combination of unprivileged user namespaces along with a patch carried in the Ubuntu kernel to allow...

CVE-2021-3493

Summary: CVE-2021-3493 is a Linux kernel overlayfs privilege-escalation issue where overlayfs does not properly validate file capabilities against user namespaces, enabling local privilege escalation on systems using unprivileged user namespaces with Ubuntu overlay patches. The vulnerability is r...

CVE-2021-3493

The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combination of unprivileged user namespaces along with a patch carried in the Ubuntu kernel to allow...

CVE-2021-3493

A flaw was found in the Linux kernel. The overlayfs stacking file system does not properly validate the application of file capabilities against user namespaces. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4916-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4916-1 advisory. It was discovered that the overlayfs implementation in the Linux kernel did not properly validate the application of file system capabilities...

Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4915-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4915-1 advisory. It was discovered that the overlayfs implementation in the Linux kernel did not properly validate the application of file system capabilities with respec...

CVE-2021-3493

The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combination of unprivileged user namespaces along with a patch carried in the Ubuntu kernel to allow...

UBUNTU-CVE-2021-3493

The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combination of unprivileged user namespaces along with a patch carried in the Ubuntu kernel to allow...

EIPStackGroup OpENer 安全漏洞

Eipstackgroup Opener is a software used by the Eipstackgroup organization to provide EtherNet/IP stacking capabilities to IO adapter devices .A security vulnerability exists in EIPStackGroup OpENer Ethernet/IP that can be exploited by attackers to send specially crafted packets that could result ...