[ASA-202004-11] libssh: denial of service

Arch Linux Security Advisory ASA-202004-11 ========================================== Severity: Medium Date : 2020-04-09 CVE-ID : CVE-2020-1730 Package : libssh Type : denial of service Remote : Yes Link : https://security.archlinux.org/AVG-1130 Summary ======= The package libssh before version...

CVE-2018-21058

An issue was discovered on Samsung mobile devices with N7.0, O8.0 exynos7420 or Exynos 8890/8996 chipsets software. Cache attacks can occur against the Keymaster AES-GCM implementation because T-Tables are used; the Cryptography Extension CE is not used. The Samsung ID is SVE-2018-12761 September...

CVE-2018-21058

An issue was discovered on Samsung mobile devices with N7.0, O8.0 exynos7420 or Exynos 8890/8996 chipsets software. Cache attacks can occur against the Keymaster AES-GCM implementation because T-Tables are used; the Cryptography Extension CE is not used. The Samsung ID is SVE-2018-12761 September...

Design/Logic Flaw

An issue was discovered on Samsung mobile devices with N7.0, O8.0 exynos7420 or Exynos 8890/8996 chipsets software. Cache attacks can occur against the Keymaster AES-GCM implementation because T-Tables are used; the Cryptography Extension CE is not used. The Samsung ID is SVE-2018-12761 September...

CVE-2018-21058

An issue was discovered on Samsung mobile devices with N7.0, O8.0 exynos7420 or Exynos 8890/8996 chipsets software. Cache attacks can occur against the Keymaster AES-GCM implementation because T-Tables are used; the Cryptography Extension CE is not used. The Samsung ID is SVE-2018-12761 September...

CVE-2018-21058

CVE-2018-21058 affects Samsung mobile devices running Android 7.0/8.0 on Exynos 7420/8890/8996. The issue enables cache attacks against the Keymaster AES-GCM implementation because T-Tables are used and the Cryptography Extension (CE) is not utilized. Samsung ID: SVE-2018-12761. No exploitation o...

Zoom Client Insufficient Video and Audio Encryption (Apr 2020)

Zoom Client is using insufficient video and audio encryption for Meetings. Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is...

CVE-2020-11500

Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption. Within a meeting, all participants use a single 128-bit key...

Code injection

Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption. Within a meeting, all participants use a single 128-bit key...

CVE-2020-11500

The CVE-2020-11500 entry concerns Zoom Client for Meetings (4.6.9 and earlier) using AES in ECB mode, with a single 128-bit key shared by all participants per meeting. Public sources in connected documents confirm this weak encryption approach and its potential to compromise confidentiality. Affe...

CVE-2020-11500

Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption. Within a meeting, all participants use a single 128-bit key...

Loncom packer: from backdoors to Cobalt Strike

The previous story described an unusual way of distributing malware under disguise of an update for an expired security certificate. After the story went out, we conducted a detailed analysis of the samples we had obtained, with some interesting findings. All of the malware we examined from the...

Ninja - Open Source C2 Server Created For Stealth Red Team Operations

Ninja C2 is an Open source C2 server created by Purple Team to do stealthy computer and Active directoty enumeration without being detected by SIEM and AVs , Ninja still in beta version and when the stable version released it will contains many more stealthy techinques and anti-forensic to create...

Broadcom Wi-Fi Devices - (KR00K) Information Disclosure Exploit

Kr00ker Experimetal KR00K PoC in python3 using scapy Description: This script is a simple experiment to exploit the KR00K vulnerability CVE-2019-15126, that allows to decrypt some WPA2 CCMP data in vulnerable devices. More specifically this script attempts to retrieve Plaintext Data of WPA2 CCMP...

Broadcom Wi-Fi Devices - 'KR00K Information Disclosure

Kr00ker Experimetal KR00K PoC in python3 using scapy Description: This script is a simple experiment to exploit the KR00K vulnerability CVE-2019-15126, that allows to decrypt some WPA2 CCMP data in vulnerable devices. More specifically this script attempts to retrieve Plaintext Data of WPA2 CCMP...

EulerOS Virtualization for ARM 64 3.0.2.0 : ruby (EulerOS-SA-2020-1195)

According to the versions of the ruby packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through...

New Wi-Fi Encryption Vulnerability Affects Over A Billion Devices

Cybersecurity researchers today uncovered a new high-severity hardware vulnerability residing in the widely-used Wi-Fi chips manufactured by Broadcom and Cypress—apparently powering over a billion devices, including smartphones, tablets, laptops, routers, and IoT gadgets. Dubbed 'Kr00k' and track...

Hardcoding Keys. Is that Wyse?

A couple of years ago, we were testing a large system of around 3000 Wyse terminals, all operating unattended. To configure themselves, they download a configuration file called wlx.ini from a webserver. This file contained a few fields that seemed interesting - ChangeRootPassword and...

Moxa AWK-3131A ServiceAgent Use of Hard-coded Cryptographic Key

Summary The usage of hard-coded cryptographic keys within the ServiceAgent binary allows for the decryption of captured traffic across the network from or to the Moxa AWK-3131A firmware version 1.13. Tested Versions Moxa AWK-3131A Firmware version 1.13 Product URLs...

VMware Carbon Black TAU: Ryuk Ransomware Technical Analysis

Ryuk Ransomware has been crippling both the public and private sector recently with the ability to disrupt its target environment. The ransomware will typically be dropped by an already compromised system that has been infected by Trickbot or Emotet through a phishing email. Once the Ryuk payload...