The vulnerability of the Key Distribution Center (KDC) component of the Kerberos authentication protocol allows a perpetrator to cause a service failure.

The vulnerability of the Key Distribution Center KDC component of the Kerberos authentication protocol is related to the use of the NULL pointer. Exploiting this vulnerability allows a malicious actor to cause a service failure...

Shopify: EC2 Takeover at turn.shopify.com

Summary Hi team, It seems that the domain turn.shopify.com pointed to an EC2 instance that was terminated and the DNS record wasn't updated. We managed to register a new EC2 instance with the IP that turn.shopify.com points to: Command dig turn.shopify.com ; DiG 9.11.3-1ubuntu1.13-Ubuntu...

Debian: Security Advisory (DSA-4949-1)

The remote host is missing an update for the Debian 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...

A Wide Range of Cyber Attacks Leveraging Prometheus TDS Malware Service

Multiple cybercriminal groups are leveraging a malware-as-a-service MaaS solution to carry out a wide range of malicious software distribution campaigns that result in the deployment of payloads such as Campo Loader, Hancitor, IcedID, QBot, Buer Loader, and SocGholish against individuals in Belgi...

Solarmarker InfoStealer Malware Once Again Making its Way Into the Wild

Healthcare and education sectors are the frequent targets of a new surge in credential harvesting activity from what's a "highly modular" .NET-based information stealer and keylogger, charting the course for the threat actor's continued evolution while simultaneously remaining under the radar...

[SECURITY] Fedora 34 Update: php-pear-1.10.12-9.fc34

PEAR is a framework and distribution system for reusable PHP components. This package contains the basic PEAR components...

[SECURITY] Fedora 33 Update: php-pear-1.10.12-9.fc33

PEAR is a framework and distribution system for reusable PHP components. This package contains the basic PEAR components...

BazaCall: Phony call centers lead to exfiltration and ransomware

Our continued investigation into BazaCall campaigns, those that use fraudulent call centers that trick unsuspecting users into downloading the BazaLoader malware, shows that this threat is more dangerous than what’s been discussed publicly in other security blogs and covered by the media. Apart...

Software-Defined Networking Concept Adoption at Akamai

Akamai engineering has adopted new technology concepts to enhance and expand routing capabilities at the edge. Previously, Akamai's traffic-steering capabilities were mainly focused on DNS-based routing. In this article, we would like to give you an in-depth look at how Akamai has embraced new...

CVE-2021-32001

K3s in SUSE Rancher allows any user with direct access to the datastore, or a copy of a datastore backup, to extract the cluster's confidential keying material cluster certificate authority private keys, secrets encryption configuration passphrase, etc. and decrypt it, without having to know the...

Yield distribution after large payout seems unfair

Handle gpersoon Vulnerability details Impact When a large payout occurs, it will lower unallocatedSherX. This could mean some parties might not be able to get their Yield. The first couple of users for which harvest is called or which transfer tokens will be able to get their full Yield, until th...

Vulnerability fixed in MIT Kerberos

A vulnerability has been fixed in krb5, part of MIT's Kerberos. A malicious party could potentially exploit the vulnerability to cause a denial-of-service on the KDC process through a specially prepared request. -= Debian =- Debian has made updates to krb5 available for Debian 10.0 Buster to fix...

Debian: Security Advisory (DSA-4944-1)

The remote host is missing an update for the Debian 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...

CVE-2021-36222

ecverify in kdc/kdcpreauthec.c in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation...

CVE-2021-36222

ecverify in kdc/kdcpreauthec.c in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation...

UBUNTU-CVE-2021-36222

ecverify in kdc/kdcpreauthec.c in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation...

When coin miners evolve, Part 1: Exposing LemonDuck and LemonCat, modern mining malware infrastructure

Note: In this two-part blog series, we expose a modern malware infrastructure and provide guidance for protecting against the wide range of threats it enables. Part 1 covers the evolution of the threat, how it spreads, and how it impacts organizations. Part 2 is a deep dive on the attacker behavi...

Debian: Security Advisory (DSA-4941-1)

The remote host is missing an update for the Debian 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...

Remcos RAT delivered via Visual Basic

This blog post was authored by Erika Noerenberg Introduction Over the past months, Malwarebytes researchers have been tracking a unique malspam campaign delivering the Remcos remote access trojan RAT via financially-themed emails. Remcos is often delivered via malicious documents or archive files...

Microsoft Windows Server Information Disclosure Vulnerability (CNVD-2021-54418)

Windows Server is the brand name of a series of server operating systems released by Microsoft, including all Windows operating systems released under the brand name "Windows Server". An information disclosure vulnerability exists in the "Key Distribution Center" in Microsoft Windows Server. No...