The cybercriminals started attacking sites running Sitecore XP versions 7.5 and 8.0 up to 8.2.7.
Cybercriminals began to exploit a critical vulnerability in the Sitecore Experience Platform (Sitecore XP) content management system.
The vulnerability (CVE-2021-42237) was first reported on October 8, when Sitecore provided customers with instructions to mitigate its impact.
A remote code execution vulnerability exists due to insecure deserialization in the Report.ashx file used to “manage the Executive Insight dashboard (Silverlight report) that was deprecated in the original 8.0 release.”
The issue affects Sitecore XP versions 7.5 and 8.0 through 8.2.7. For Sitecore XP versions 8.0.0 through 8.2.7, the solution may be to delete the Report.ashx file. Sitecore XP versions 7.5.0 through 7.5.2 must first be upgraded to 8.0 or 9.0 releases, and then the file must be deleted.
Last week, security researchers from the information security company Assetnote published detailed information about the vulnerability and a PoC code for its exploitation, which allows cybercriminals to create a working exploit to attack sites running Sitecore XP.
The Cybersecurity Center of Australia warned of the existence of a PoC code and attempts by attackers to use the vulnerability in attacks on Australian organizations.
Successful exploitation of the vulnerability allows remote code execution, allowing an attacker to install malware (web shell) and perform other actions.
Vulnerability found in the Apple M1 processor that cannot be closed programmatically
Specialists from the Computer Science and Artificial Intelligence Laboratory (CSAIL) from the Massachusetts Institute of Technology said that they were able to develop a PACMAN attack technique, which is possible due to a hardware vulnerability in the Apple M1 processor. Moreover, it cannot be closed by software.
The attack itself is carried out using software and hardware, and it can be performed remotely. The PACMAN attack makes it possible to gain access to the kernel of the operating system. At the same time, potentially the same vulnerabilities can be in Qualcomm and Samsung processors, but this has not yet been confirmed.
The technical side of the attack is based on the Pointer Authentication function. It is used to check Pointer Authentication Codes (PACs), allowing only code-signed software to run. However, the PACMAN method allows you to select the necessary PAC values. In part, this technique is similar to Specter and Meltdown in Intel processors.
At the same time, Apple spokesman Scott Radcliffe said that the vulnerability does not pose an immediate threat to users and is not sufficient in itself to bypass operating system protections.
A few years ago, a vulnerability was already found in Arm processors that allows an attacker to gain unauthorized access to data.
So much for Unisoc. Companies have discovered a vulnerability in single-chip systems
Unisoc is actively capturing the market for single-chip systems, although it does so exclusively in the budget segment itself. However, it turned out that these platforms have a critical vulnerability.
According to the source, the problem is in the modem’s firmware and affects both 4G and 5G platforms. The vulnerability, numbered CVE-2022-20210, was discovered while scanning Non-Access Stratum (NAS) message handlers. This vulnerability could be used to neutralize or block the device’s cellular capabilities.
The vulnerability was first discovered in the Motorola Moto G20 smartphone based on the Unisoc T700 SoC. But in the end it turned out that the same vulnerability occurs in other platforms, however, the source did not provide a list.
The Check Point specialists who discovered the vulnerability notified Unisoc back in May, and the company has already released a fix, so smartphone owners should not worry now if they update the software of their devices.
New vulnerability in Microsoft Office is heavily exploited by hackers
A serious vulnerability has been found in the Microsoft Office suite that could potentially allow attackers to execute arbitrary code.
She was assigned the number CVE-2022-30190, and among the researchers they gave the name Follina. As noted in Kaspersky Lab, the most unpleasant thing is that there is no fix yet, and in the meantime, the vulnerability is already being actively exploited by attackers. Vulnerability CVE-2022-30190 threatens all operating systems of the Windows family, both regular and server.
While the update is being developed, experts recommend that all Windows users and administrators take advantage of temporary workarounds. As a Microsoft workaround recommends disable the MSDT URL protocol.
The CVE-2022-30190 vulnerability itself is contained in the Microsoft Windows Support Diagnostic Tool (MSDT), but due to the implementation of this tool, a single malicious office document is enough to exploit the vulnerability.
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