In early April 2024, Kaspersky researchers decided to take a closer look at the Windows DWM Core Library Elevation of Privilege Vulnerability CVE-2023-36033, which was previously discovered as a zero-day exploited in the wild.
While searching for samples related to this exploit and attacks that used it, they found a curious document uploaded to VirusTotal on April 1, 2024. This document caught the researchers attention because it had a rather descriptive file name, which indicated that it contained information about a vulnerability in Windows OS. Inside there the researchers found a brief description of a Windows Desktop Window Manager (DWM) vulnerability and how it could be exploited to gain system privileges, everything written in very brok
Read more…
Source: Kaspersky
Related:
- Fortinet warns admins to patch critical authentication bypass bug immediately
October 7, 2022
Fortinet has warned administrators to update FortiGate firewalls and FortiProxy web proxies to the latest versions, which address a critical severity vulnerability. The security flaw (tracked as CVE-2022-40684) is an authentication bypass on the administrative interface that could allow remote threat actors to log into unpatched devices. “An authentication bypass using an alternate path or channel ...
- CISA Releases Three Industrial Control Systems Advisories
October 7, 2022
CISA has released three Industrial Control Systems (ICS) advisories on October 11, 2022. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisories for technical details and mitigations: ICSA-22-284-01 Altair HyperView Player ICSA-22-284-02 Daikin SVMPC1 and SVMPC2 ICSA-22-284-03 Sensormatic Electronics C-CURE 9000 Read more… Source: ...
- Microsoft Exchange server zero-day mitigation can be bypassed
October 3, 2022
Microsoft has shared mitigations for two new Microsoft Exchange zero-day vulnerabilities tracked as CVE-2022-41040 and CVE-2022-41082, but researchers warn that the mitigation for on-premise servers is far from enough. Threat actors are already chaining both of these zero-day bugs in active attacks to breach Microsoft Exchange servers and achieve remote code execution. Both security flaws were reported ...
- Analyzing attacks using the Exchange vulnerabilities CVE-2022-41040 and CVE-2022-41082
October 1, 2022
Added information about Exploit:Script/ExchgProxyRequest.A, Microsoft Defender AV’s robust detection for exploit behavior related to this threat. Microsoft also removed a section on MFA as a mitigation, which was included in a prior version of this blog as standard guidance. Microsoft is aware of limited targeted attacks using two reported zero-day vulnerabilities affecting Microsoft Exchange Server 2013, ...
- Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server
September 30, 2022
Microsoft is investigating two reported zero-day vulnerabilities affecting Microsoft Exchange Server 2013, Exchange Server 2016, and Exchange Server 2019. The first one, identified as CVE-2022-41040, is a Server-Side Request Forgery (SSRF) vulnerability, and the second one, identified as CVE-2022-41082, allows Remote Code Execution (RCE) when PowerShell is accessible to the attacker. Currently, Microsoft is aware of ...
- Witchetty: Group Uses Updated Toolset in Attacks on Governments in Middle East
September 29, 2022
The Witchetty espionage group (aka LookingFrog) has been progressively updating its toolset, using new malware in attacks on targets in the Middle East and Africa. Among the new tools being used by the group is a backdoor Trojan (Backdoor.Stegmap) that employs steganography, a rarely seen technique where malicious code is hidden within an image. In attacks ...

