RHEL 8 : nss and nspr (RHSA-2020:3280)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3280 advisory. Network Security Services NSS is a set of libraries designed to support the cross-platform development of security-enabled client and server...

Lazarus on the hunt for big game

We may only be six months in, but theres little doubt that 2020 will go down in history as a rather unpleasant year. In the field of cybersecurity, the collective hurt mostly crystallized around the increasing prevalence of targeted ransomware attacks. By investigating a number of these incidents...

Security Bulletin: Vulnerabilities in OpenSSL affect IBM Sterling Connect:Direct for Microsoft Windows (CVE-2016-2108, CVE-2016-2107)

Summary OpenSSL vulnerabilities were disclosed on 3 May 2016 by the OpenSSL Project. OpenSSL is used by IBM Sterling Connect:Direct for Microsoft Windows. IBM Sterling Connect:Direct for Microsoft Windows has addressed the applicable CVEs. Vulnerability Details CVEID: CVE-2016-2108 DESCRIPTION:...

OSV-2020-1290 Bad-free in aes_gcm_cleanup

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14333 Crash type: Bad-free Crash state: aesgcmcleanup EVPCIPHERCTXfree cryptofuzz::module::CTXCopier::copy...

Nintendo: Arbitrary code execution in TSEC Heavy Secure, return-oriented programming in TSEC Secure ROM, and recovery of TSEC-derived cryptographic secrets

The vulnerability in TSEC Heavy Secure allowed for arbitrary code execution. A return-oriented programming vulnerability was discovered in the TSEC Secure ROM. Cryptographic secrets derived from TSEC were recovered...

Fedora 32 : ntp (2020-a0b39d58db)

This update fixes a security issue causing a memory leak when an AES-CMAC key is enabled for authentication. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it ...

Cellebrite EPR Decryption Hardcoded AES Key Material

KL-001-2020-003 : Cellebrite EPR Decryption Relies on Hardcoded AES Key Material Title: Cellebrite EPR Decryption Relies on Hardcoded AES Key Material Advisory ID: KL-001-2020-003 Publication Date: 2020.06.29 Publication URL: https://korelogic.com/Resources/Advisories/KL-001-2020-003.txt 1...

Cellebrite EPR Decryption Hardcoded AES Key Material Vulnerability

The Cellebrite UFED Physical device relies on key material hardcoded within both the executable code supporting the decryption process and within the encrypted files themselves by using a key enveloping technique. The recovered key material is the same for every device running the same version of...

Cellebrite EPR Decryption Relies on Hardcoded AES Key Material

Vulnerability Details Affected Vendor: Cellebrite Affected Product: UFED Affected Version: 5.0 - 7.5.0.845 Platform: Embedded Windows CWE Classification: CWE-321: Hardcoded Use of Cryptography Keys CVE ID: CVE-2020-14474 2. Vulnerability Description The Cellebrite UFED Physical device relies on...

Huawei EulerOS: Security Advisory for libssh (EulerOS-SA-2020-1699)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

The vulnerability of the fill-checking function in the AES-NI implementation of the OpenSSL library allows a perpetrator to gain unauthorized access to confidential data.

The vulnerability of the fill-checking function in the AES-NI implementation of the OpenSSL library is related to the lack of protection for service data. Exploiting this vulnerability can allow an attacker operating remotely to gain unauthorized access to confidential data...

EulerOS Virtualization for ARM 64 3.0.6.0 : libssh (EulerOS-SA-2020-1699)

According to the version of the libssh package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability : - A flaw was found in libssh versions before 0.8.9 and before 0.9.4 in the way it handled AES-CTR or DES ciphers if enabled...

Hakbit Ransomware Attack Uses GuLoader, Malicious Microsoft Excel Attachments

A ransomware campaign, dubbed Hakbit, is targeting mid-level employees across Austria, Switzerland and Germany with malicious Excel attachments delivered via the popular email provider GMX. The spear-phishing based campaign is low volume and so far targeted the pharmaceutical, legal, financial,...

Multi-stage APT attack drops Cobalt Strike using Malleable C2 feature

This blog post was authored by Hossein Jazi and Jérôme Segura On June 10, we found a malicious Word document disguised as a resume that uses template injection to drop a .Net Loader. This is the first part of a multi-stage attack that we believe is associated to an APT attack. In the last stage,...

Stegcloak - Hide Secrets With Invisible Characters In Plain Text Securely Using Passwords

StegCloak is a pure JavaScript steganography module designed in functional programming style, to hide secrets inside text by compressing and encrypting with Zero Width Characters. It can be used to safely watermark strings, invisible scripts on webpages, texts on social media or for any other...

TAU Threat Analysis: Medusa Locker Ransomware

In recent weeks Carbon Black’s Threat Analysis Unit TAU has seen an increase in the number of infections attributed to the Medusa Locker ransomware family. There were notable traits exhibited by Medusa Locker in these attacks that warranted further investigation to determine behavioral tactics th...

New Noise-Resilient Attack On Intel and AMD CPUs Makes Flush-based Attacks Effective

Modern Intel and AMD processors are susceptible to a new form of side-channel attack that makes flush-based cache attacks resilient to system noise, newly published research shared with The Hacker News has revealed. The findings are from a paper "DABANGG: Time for Fearless Flush based Cache...

MemoryMapper - Lightweight Library Which Allows The Ability To Map Both Native And Managed Assemblies Into Memory

Memory Mapper is a lightweight library which allows the ability to map both native and managed assemblies into memory by either using process injection of a process specified by the user or self-injection; the technique of injecting an assembly into the currently running process attempting to do...

CVE-2020-8434

Jenzabar JICS aka Internet Campus Solution before 9.0.1 Patch 3, 9.1 before 9.1.2 Patch 2, and 9.2 before 9.2.2 Patch 8 has session cookies that are a deterministic function of the username. There is a hard-coded password to supply a PBKDF feeding into AES to encrypt a username and base64 encode ...

Hardcoded credentials

Jenzabar JICS aka Internet Campus Solution before 9.0.1 Patch 3, 9.1 before 9.1.2 Patch 2, and 9.2 before 9.2.2 Patch 8 has session cookies that are a deterministic function of the username. There is a hard-coded password to supply a PBKDF feeding into AES to encrypt a username and base64 encode ...