Critical Zero-Days in Atera Windows Installers Expose Users to Privilege Escalation Attacks

Zero-day vulnerabilities in Windows Installers for the Atera remote monitoring and management software could act as a springboard to launch privilege escalation attacks. The flaws, discovered by Mandiant on February 28, 2023, have been assigned the identifiers CVE-2023-26077 and CVE-2023-26078,...

Samba Spotlight mdssvc RPC Request Infinite

Description When parsing Spotlight mdssvc RPC packets sent by the client, the core unmarshalling function slunpackloop did not validate a field in the network packet that contains the count of elements in an array-like structure. By passing 0 as the count value, the attacked function will run in ...

Samba Spotlight mdssvc RPC Request Type

Description When parsing Spotlight mdssvc RPC packets, one encoded data structure is a key-value style dictionary where the keys are character strings and the values can be any of the supported types in the mdssvc protocol. Due to a lack of type checking in callers of the function...

Attacks, Vulnerabilities and Actors 10 July to 16 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, the fact that there were a total of six attacks executed, total six zero-day vulnerabilities out of which Five...

Act now! In-the-wild Zimbra vulnerability needs a workaround

Security experts are warning Zimbra users that a vulnerability for which there is no patch is being actively exploited in the wild. In a security update about the vulnerability, the company offered a temporary workaround which users can apply while waiting for a patch to be created. Zimbra is an...

A week in security (July 10 - 16)

Last week on Malwarebytes Labs: Tax preparation firms shared sensitive information with Meta Ransomware making big money through "big game hunting" Malwarebytes stops 100% of Advanced Threats in latest AV-Test assessment From Malvertising to Ransomware: A ThreatDown webinar recap Ransomware revie...

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...

Zimbra Warns of Critical Zero-Day Flaw in Email Software Amid Active Exploitation

Zimbra has warned of a critical zero-day security flaw in its email software that has come under active exploitation in the wild. "A security vulnerability in Zimbra Collaboration Suite Version 8.8.15 that could potentially impact the confidentiality and integrity of your data has surfaced," the...

Storm-0978 actively exploited the unpatched Office zero-day

Threat Level Actor Report For a detailed threat advisory, download the pdf file here Summary Storm-0978 is a Russian cybercriminal group that specializes in executing sophisticated phishing campaigns. Storm-0978 was found to be engaged in a new wave of attacks, leveraging the exploitation of...

Microsoft’s July 2023 Patch Tuesday Addresses 5 Zero-day Vulnerabilities

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary Microsofts July 2023 Patch Tuesday includes security updates for 130 flaws, including five actively exploited zero-day vulnerabilities, nine are rated as Critical’, and 37 remote code execution...

Ransomware review: July 2023

This article is based on research by Marcelo Rivero, Malwarebytes' ransomware specialist, who monitors information published by ransomware gangs on their Dark Web sites. In this report, "known attacks" are those where the victim did not pay a ransom. This provides the best overall picture of...

Zero-day deploys remote code execution vulnerability via Word documents

An unpatched zero-day vulnerability is currently being abused in the wild, targeting those with an interest in Ukraine. Microsoft reports that CVE-2023-36884 is tied to reports of: …a series of remote code execution vulnerabilities impacting Windows and Office products. Microsoft is aware of...

Microsoft Releases Patches for 132 Vulnerabilities, Including 6 Under Active Attack

Microsoft on Tuesday released updates to address a total of 132 new security flaws spanning its software, including six zero-day flaws that it said have been actively exploited in the wild. Of the 132 vulnerabilities, nine are rated Critical, 122 are rated Important in severity, and one has been...

Apple & Microsoft Patch Tuesday, July 2023 Edition

Microsoft Corp. today released software updates to quash 130 security bugs in its Windows operating systems and related software, including at least five flaws that are already seeing active exploitation. Meanwhile, Apple customers have their own zero-day woes again this month: On Monday, Apple...

Patch Tuesday - July 2023

Microsoft is addressing 130 vulnerabilities this July Patch Tuesday, including five zero-day vulnerabilities, and eight further critical remote code execution RCE vulnerabilities. Overall, it’s safe to say that this is a busier Patch Tuesday than the past couple of months. Note that the total cou...

Microsoft and Adobe Patch Tuesday, July 2023 Security Update Review

Microsoft has released Julys edition of Patch Tuesday! This installment of security updates addressed 132 security vulnerabilities in various products, features, and roles. Microsoft Patch Tuesday for July 2023 This months Patch Tuesday edition has fixed six zero-day vulnerabilities known to be...

Apple Addresses A Zero-Day Vulnerability Which Is Actively Exploited in Wild

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The zero-day vulnerability CVE-2023-37450 discovered in multiple Apple products is being actively exploited in the wild, specifically when processing web content. This vulnerability can potentially resul...

Attacks, Vulnerabilities and Actors 3 July to 9 July 2023

For a detailed threat digest, download the pdf file here Summary HiveForceLabs recently made several significant discoveries related to cybersecurity threats. Over the past week, the fact that there were a total of eight attacks executed, a zero-day vulnerability in the WordPress Plugin, and thre...

Apple Issues Urgent Patch for Zero-Day Flaw Targeting iOS, iPadOS, macOS, and Safari

Apple has released Rapid Security Response updates for iOS, iPadOS, macOS, and Safari web browser to address a zero-day flaw that it said has been actively exploited in the wild. The WebKit bug, cataloged as CVE-2023-37450, could allow threat actors to achieve arbitrary code execution when...

PT-2023-3830 · Microsoft · Windows Error Reporting Service +1

Name of the Vulnerable Software and Affected Versions: Microsoft Windows Error Reporting Service affected versions not specified Description: The issue is related to an elevation-of-privilege vulnerability in the Windows Error Reporting Service, which allows attackers to affect the system. This...