2023 – WafdogBlog

Unveiling Vulnerabilities: The DNS Spoofing Threat Exploiting DHCP Weaknesses

Amidst the intricate fabric of our interconnected digital realm, the Domain Name System (DNS) serves as a crucial linchpin, guiding users to their desired online destinations. However, even this essential system is susceptible to the nefarious tactics of malicious actors. Recent findings from Akamai security researchers have unveiled a vulnerability in the armor of DNS …

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Urgent Alert: Critical Security Flaw in Sophos Firewall Exposes Systems to Remote Code Execution

A significant security vulnerability has been uncovered in the Sophos Firewall User Portal and Webadmin, potentially allowing remote hackers to execute malicious code. This flaw permits attackers to insert harmful code into the software, potentially leading to complete system takeover and data breaches. Sophos has responded by releasing updated versions of their firewalls to detect …

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Russian Cyber Actors Exploit JetBrains Vulnerability: FBI and NSA Issue Warning

The FBI, NSA, and other collaborating agencies have issued a warning regarding the widespread exploitation of CVE-2023-42793 by cyber actors affiliated with the Russian Foreign Intelligence Service (SVR). These actors, also known as Advanced Persistent Threat 29 (APT 29), Dukes, CozyBear, and NOBELIUM/Midnight Blizzard, have been targeting servers hosting JetBrains TeamCity software since September 2023. …

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Security Advisory: Critical Vulnerabilities in Atlassian Products (CVE-2022-1471) – Urgent Action Required

On December 6, 2023, the Federal Office for Information Security (BSI) issued a security advisory regarding Atlassian products. The security vulnerability affects UNIX, Linux, and Windows operating systems, as well as Atlassian Bitbucket, Atlassian Confluence, and Atlassian Jira Software. For the latest manufacturer recommendations regarding updates, workarounds, and security patches for this vulnerability, please refer …

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Unmasking SLAM: Exploiting CPU Security Features for Spectre Attacks

Recent revelations by cybersecurity researchers from the Systems and Network Security Group at VU Amsterdam have brought to light a sophisticated new attack vector known as SLAM (Spectre based on Linear Address Masking). This attack exploits vulnerabilities inherent in modern CPUs, particularly those anticipated in upcoming products from Intel, AMD, and Arm. SLAM takes advantage …

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Unveiling the Exploits: Microsoft Outlook and WinRAR Vulnerabilities Exploited by Forest Blizzard

Microsoft revealed on Monday that it had uncovered Kremlin-backed nation-state activity exploiting a now-patched critical security flaw in its Outlook email service, allowing unauthorized access to victims’ accounts within Exchange servers. The intrusions were attributed to a threat actor dubbed Forest Blizzard (formerly Strontium), also known as APT28, BlueDelta, Fancy Bear, and various other aliases. …

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Securing Cloud Environments: Understanding and Mitigating AWS Token Exploitation

Threat actors can exploit the Amazon Web Services Security Token Service (AWS STS) to infiltrate cloud accounts and carry out subsequent attacks. This service allows them to impersonate user identities and roles within cloud environments, enabling unauthorized access and malicious actions, as highlighted by Red Canary researchers Thomas Gardner and Cody Betsworth in a recent …

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Zyxel NAS Vulnerabilities: Critical Command Injections and Security Patch Updates

Multiple vulnerabilities have been discovered in Zyxel NAS (Network Attached Storage) products, posing a significant risk of command injection. These vulnerabilities, detailed below, could enable attackers to execute system commands, potentially leading to unauthorized access and control over affected devices. Zyxel has promptly responded by releasing patches to address these security concerns, prioritizing the protection …

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OwnCloud Vulnerability Exploitation: Urgent Measures Required for Critical Security Flaws

OwnCloud recently disclosed several vulnerabilities within its namesake open-source file-hosting application. Among these, one critical vulnerability (CVE-2023-49103) is currently being actively exploited by attackers. This flaw, rated with a maximum CVSS score of 10, allows malicious actors to pilfer credentials and license keys. The vulnerability resides within the Graphapi app, which leverages a third-party library …

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Fortinet Addresses Critical Vulnerabilities Across Product Line: From Command Injection to DLL Hijacking

The US cybersecurity agency CISA updated its Known Exploited Vulnerabilities (KEV) catalog on Thursday to include flaws in Sophos, Oracle, and Microsoft products. Among these vulnerabilities, Fortinet disclosed a critical OS command injection vulnerability within the FortiSIEM report server, potentially enabling remote attackers to execute malicious commands via crafted API requests. FortiSIEM, Fortinet’s security information …

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