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@blog.criminalip.io
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A critical security vulnerability, CVE-2025-49113, has been identified in Roundcube webmail, a popular skinnable AJAX based webmail solution for IMAP servers. The flaw allows for remote code execution (RCE) through the exploitation of email subject lines. Attackers can inject malicious PHP code into the subject header field, which, when processed by Roundcube, allows them to execute arbitrary commands on the server. This vulnerability is particularly dangerous as it can be exploited without any user interaction, enabling attackers to compromise systems simply by sending a malicious email.
This vulnerability affects Roundcube versions up to 1.6.4. Security researchers confirmed that the flaw was actively exploited to install backdoors and exfiltrate system information. As of June 2025, the Shadowserver Foundation reported that over 84,925 Roundcube instances were exposed to this vulnerability. Criminal IP Asset Search has also identified tens of thousands of affected cases, highlighting the widespread nature of the threat. The vulnerability was patched in version 1.6.5. Ubuntu has released security notices (USN-7584-1) addressing the Roundcube vulnerability. It was discovered that Roundcube Webmail did not properly sanitize the _from parameter in a URL, leading to PHP Object Deserialization. A remote attacker could possibly use this issue to execute arbitrary code. The problem can be corrected by updating your system to the specified package versions for your Ubuntu release, which is available via standard system updates or Ubuntu Pro with ESM Apps. Given the severity and active exploitation of CVE-2025-49113, users are strongly advised to update their Roundcube installations immediately to the latest version.
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@cert.europa.eu
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A number of critical security vulnerabilities have been identified and addressed in several software products, highlighting the persistent need for vigilance and timely updates. One of the most severe issues is a critical Remote Code Execution (RCE) vulnerability, identified as CVE-2025-23121, in Veeam Backup & Replication. This flaw, which received a CVSS score of 9.9, allows an authenticated domain user to execute code remotely on the Backup Server, specifically impacting domain-joined backup servers. Veeam has released security updates to fix this and other vulnerabilities, urging users to upgrade to the latest version, 12.3.2 (build 12.3.2.3617), as soon as possible.
Affected products include Veeam Backup & Replication versions 12, 12.1, 12.2, 12.3, and 12.3.1, along with Veeam Agent for Microsoft Windows versions 6.0, 6.1, 6.2, 6.3, and 6.3.1. In addition to the critical RCE in Veeam, a high severity Arbitrary Code Execution (ACE) vulnerability (CVE-2025-24286) in Veeam Backup & Replication was also addressed, allowing an authenticated user with the Backup Operator role to modify backup jobs, potentially leading to arbitrary code execution. Further more, a medium severity local privilege escalation bug (CVE-2025-24287) was identified affecting the Windows Veeam agent, which allows local system users to execute arbitrary code with elevated permissions by modifying specific directory contents. Users are strongly advised to update their software to the latest versions to mitigate the risks associated with these vulnerabilities. For Veeam users, it is recommended to implement best practices provided by the vendor, such as using a separate management workgroup or domain for Veeam components. The discovery of an undocumented root shell access (CVE-2025-26412) in the SIMCom SIM7600G modem, highlighting the dangers of backdoors and undocumented features in embedded devices. Furthermore, a critical vulnerability (CVE-2025-3464) in Asus Armoury Crate allows attackers to gain SYSTEM privileges via hard link manipulation, advising users to update or disable the software.
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@arcticwolf.com
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Trend Micro has released security updates to address critical vulnerabilities in its Apex Central and Endpoint Encryption (TMEE) PolicyServer products. These vulnerabilities, which include remote code execution and authentication bypass flaws, pose a significant risk to affected systems. The company urges administrators to apply the necessary security updates as soon as possible to mitigate potential exploitation. While Trend Micro states there is no evidence of active exploitation in the wild, the severity of the flaws necessitates immediate action.
One specific vulnerability, tracked as ZDI-25-371, exists within the Endpoint Encryption product and involves the DeserializeFromBase64String method. This flaw stems from a lack of proper validation of user-supplied data, which can lead to the deserialization of untrusted data. An attacker who successfully exploits this vulnerability can execute code in the context of SYSTEM, potentially gaining complete control over the affected system. Although authentication is required, the existing authentication mechanism can be bypassed, making exploitation easier. The vulnerabilities were reported to Trend Micro on October 11, 2024, by Piotr Bazydlo of Trend Micro's Zero Day Initiative. A coordinated public release of the advisory followed on June 11, 2025. Users of Apex Central and Endpoint Encryption (TMEE) PolicyServer products are advised to visit the Trend Micro website for details on obtaining and applying the necessary patches. Further information on the specific fixes can be found at https://success.trendmicro.com/en-US/solution/KA-0019928.
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