Results of Major Technical Investigations for Storm-0558 Key Acquisition

March 12, 2024 update As part of our continued commitment to transparency and trust outlined in Microsoft’s Secure Future Initiative, we are providing further information as it relates to our ongoing investigation. This new information does not change the customer guidance we previously shared, n...

Attacks, Vulnerabilities and Actors 24 July to 30 July 2023

For a detailed threat digest, download the pdf file here Summary HiveForce Labs recently made several significant discoveries related to cybersecurity threats. Over the past week, We identified a total of six executed attacks, one adversary activities, and five zero-day vulnerabilities including...

Storm-0558 Chinese Threat Actor Targets Email Accounts

Threat Level Actor Report For a detailed threat advisory, download the pdf file here Summary Storm-0558, a China-based threat actor with espionage objectives, has been targeting email data from approximately 25 organizations using tactics like credential harvesting, OAuth token, and phishing...

Azure AD Token Forging Technique in Microsoft Attack Extends Beyond Outlook, Wiz Reports

The recent attack against Microsoft's email infrastructure by a Chinese nation-state actor referred to as Storm-0558 is said to have a broader scope than previously thought. According to cloud security company Wiz, the inactive Microsoft account MSA consumer signing key used to forge Azure Active...

Compromised Microsoft Key: More Impactful Than We Thought

Our investigation of the security incident disclosed by Microsoft and CISA and attributed to Chinese threat actor Storm-0558, found that this incident seems to have a broader scope than originally assumed. Organizations using Microsoft and Azure services should take steps to assess potential impa...

Microsoft validation error allowed state actor to access user email of government agencies and others

Microsoft is getting criticized for the way in which it handled a serious security incident that allowed a suspected Chinese espionage group to access user email from approximately 25 organizations, including government agencies and related consumer accounts in the public cloud. The attacks were...

Microsoft Bug Allowed Hackers to Breach Over Two Dozen Organizations via Forged Azure AD Tokens

Microsoft on Friday said a validation error in its source code allowed for Azure Active Directory Azure AD tokens to be forged by a malicious actor known as Storm-0558 using a Microsoft account MSA consumer signing key to breach two dozen organizations. "Storm-0558 acquired an inactive MSA consum...

Analysis of Storm-0558 techniques for unauthorized email access

Executive summary On July 11, 2023, Microsoft published two blogs detailing a malicious campaign by a threat actor tracked as Storm-0558 that targeted customer email that weve detected and mitigated: Microsoft Security Response Center and Microsoft on the Issues. As we continue our investigation...

U.S. Government Agencies' Emails Compromised in China-Backed Cyber Attack

An unnamed Federal Civilian Executive Branch FCEB agency in the U.S. detected anomalous email activity in mid-June 2023, leading to Microsoft's discovery of a new China-linked espionage campaign targeting two dozen organizations. The details come from a joint cybersecurity advisory released by th...

Microsoft Thwarts Chinese Cyber Attack Targeting Western European Governments

Microsoft on Tuesday revealed that it repelled a cyber attack staged by a Chinese nation-state actor targeting two dozen organizations, some of which include government agencies, in a cyber espionage campaign designed to acquire confidential data. The attacks, which commenced on May 15, 2023,...

Microsoft mitigates China-based threat actor Storm-0558 targeting of customer email

UPDATE: Microsoft performed a comprehensive technical investigation into the acquisition of the Microsoft account consumer signing key, including how it was used to access enterprise email. Our technical investigation has concluded, and on September 6, 2023, we published our investigation finding...

WordPress ContentStudio Plugin < 1.2.6 is vulnerable to Bypass Vulnerability

Software ContentStudio Type Plugin Vulnerable versions 1.2.6 Fixed in 1.2.6 OWASP Top 10 A5: Broken Access Control Classification Bypass Vulnerability CVE CVE-2023-0558 Patch priority Low CVSS severity Low 7.3 Developer Claim ownership PSID 9617386e7fb6 Credits Chloe Chamberland Required privileg...

CVE-2023-0558 ContentStudio <= 1.2.5 - Authorization Bypass

The ContentStudio plugin for WordPress is vulnerable to authorization bypass due to an unsecure token check that is susceptible to type juggling in versions up to, and including, 1.2.5. This makes it possible for unauthenticated attackers to execute functions intended for use by users with proper...

CVE-2023-0558

The ContentStudio WordPress plugin is vulnerable to an authorization bypass caused by an insecure token check that is susceptible to type juggling in versions up to and including 1.2.5. This permits unauthenticated attackers to execute functions intended for users with valid API keys. Fixes noted...

CVE-2022-0558 Cross-site Scripting (XSS) - Stored in microweber/microweber

Cross-site Scripting XSS - Stored in Packagist microweber/microweber prior to 1.2.11...

CVE-2022-0558

CVE-2022-0558 affects microweber/microweber before 1.2.11. The issue is a stored cross-site scripting (XSS) vulnerability caused by lack of input sanitization, with exploitation occurring via stored data (e.g., tagging). Impact is elevated to client-side script execution within affected webpages....

AlmaLinux 8 : kernel (ALSA-2021:0558)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2021:0558 advisory. - A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor...

Mageia: Security Advisory (MGASA-2014-0448)

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...

CVE-2021-0558

CVE-2021-0558 is a vulnerability in the Android 11 Media Framework where fillMainDataBuf in pvmp3_framedecoder.cpp can trigger an out-of-bounds read due to a heap buffer overflow. This could allow remote information disclosure and, per the available data, would require user interaction for exploi...

Intel® PROSet/Wireless WiFi Software Advisory

Summary: Potential security vulnerabilities in some Intel® PROSet/Wireless WiFi products may allow escalation of privilege or denial of service. Intel is releasing software updates to mitigate these potential vulnerabilities. Vulnerability Details: CVEID: CVE-2020-0557 Description: Insecure...