Since the beginning of the year, the number of bridges on the Tor anonymous network has been declining, and the Tor Project needs to attract new operators.
Recently, the Tor Project has faced a reduction in the number of relays and bridges on its anonymous Tor network and, to bring it back, proposes remuneration for project participants. For those who will help ensure the continued existence of the anonymous network, the Tor Project will donate hoodies, T-shirts and stickers with the project’s symbols as an incentive.
More specifically, those who manage the so-called bridges – Tor nodes that are not in the open list of nodes – will receive rewards. Bridges serve as entry points to the Tor network in countries where access to Tor servers is blocked.
“We currently have about 1200 bridges, and 900 of them support the obfs4 obfuscation protocol. Unfortunately, these numbers have been declining since the beginning of this year. Just having a lot of bridges is not enough, because in the end they can all be blocked. Therefore, we need a constant flow of new, not yet blocked bridges, ”explained Gustavo Gus, Team Leader of the Tor Project community.
By the end of this year, the Tor Project needs more than 200 obfs4-enabled bridges, Gus said. Despite the constant problems with finding funds for funding, the Tor Project has decided to modestly thank those who will help make Tor more censorship resistant.
Golden Gate category (10 sets of gifts):
Users who manage ten obfs4-enabled bridges over the course of a year will receive one sweatshirt, two T-shirts, and a set of Tor stickers.
Helix bridge category (20 gift sets):
Users who manage five obfs4-enabled bridges over the course of a year will receive a T-shirt and a set of Tor stickers.
University bridge category (10 gift sets):
Users who manage two obfs4-enabled bridges at their university for a year will receive a T-shirt and a set of Tor stickers.
Rialto bridge category (10 gift sets):
New Tor Bridge operators will be able to win ten metallic T-shirts. Ten winners will be selected at random.
The promotion will last until January 7, 2022.
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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