Recovering Public Keys from Signatures

Read Time:24 Second

Interesting summary of various ways to derive the public key from digitally signed files.

Normally, with a signature scheme, you have the public key and want to know whether a given signature is valid. But what if we instead have a message and a signature, assume the signature is valid, and want to know which public key signed it? A rather delightful property if you want to attack anonymity in some proposed “everybody just uses cryptographic signatures for everything” scheme.

Read More

The Best Proxy Servers for Multi-Accounting

Read Time:5 Minute, 18 Second

The content of this post is solely the responsibility of the author.  LevelBlue does not adopt or endorse any of the views, positions, or information provided by the author in this article. 

Business owners are increasingly recognizing its positive impact on business growth.

Many marketing and sales strategies use different accounts on a single platform. However, despite its effectiveness in business, not all platforms allow multi-accounting. That’s where residential proxy comes in as an effective solution for multi-accounting.

What Proxy Server is the Best for Multi-Accounting?

There are several types of proxy servers. You can divide them into datacenter servers, residential servers, or a mix of both. Below, we look at these types and see which is better for this marketing tactic.

1. Datacenter

An online datacenter generates and stores the IP addresses of datacenter proxies. As such, they are cloud-generated IPs and often more detectable than residential ones. These proxies aren’t affiliated with any ISP (Internet Server Provider).

However, they still provide complete IP authenticity and anonymity. Remember that datacenter IPs are generally part of a large IP pool. Unless they’re dedicated servers, several users can access them.

2. Residential

Residential proxies differ from datacenter ones on a fundamental level, as they source their IPs from ISPs. The IP address a residential server uses belongs to an actual device. As such, it’s more authentic-looking than datacenter-generated ones.

This increases its security, geo-targeting abilities, and anonymity. It’s often the better choice for multi-accounting because it better mimics a real user’s behavior.

3. Rotating

Rotating proxies are a sub-type of proxy that generates a new IP address for every new connection. You can also set it to generate new IPs within a specific timeframe. Residential rotating proxies are the best option for creating several accounts, as they help avoid IP bans.

Its IP rotation lets you manage different accounts from a single device by changing the IP address. As such, it’s our first choice for when you need to manage various logins on platforms.

Benefits of Creating Multiple Accounts

You might wonder why you need to create multiple logins for one platform. Before we discuss why proxies will benefit you, let’s discuss the advantages of multi-accounting.

● Increased Brand Exposure

Managing multiple social media accounts can increase your brand exposure. By liking, sharing, and reposting your content, you spread it further than a single account can. These operations mean you can better engage with clients and create logins dedicated to specific aspects of your brand.

● Improved Customer Stickiness

Clients are more loyal to brands that treat them better. By interacting more with clients and facilitating quick sales, you can build trust in the brand. Multiple e-commerce and social media logins ensure you can always complete a sale.

● Branch Out Your Market Share

With different logins, you can create accounts geared towards several markets. This helps you grow your market share by releasing various products and services to specific customers. It also enhances your geo-targeted marketing campaigns to become more effective and far-reaching.

● Boosts Marketing Efforts

Boosting your marketing efforts will optimize the user experience. That, in turn, improves your sales conversion rate and search engine rankings. All this will increase your direct traffic from social media logins to your website. Overall, it improves the effectiveness of your advertising campaigns.

Why Should I Use Proxies for Multiple Accounts?

While managing many accounts can be beneficial, it can also lead to challenges. That’s why residential proxies, especially rotating ones, are the ideal partner to use in this case.

1. Avoid IP Bans

Most social media and e-commerce platforms will ban an IP if they see many logins connected to that address. The detection software can’t differentiate between harmless and harmful bot activity. Multiple accounts linked to a single device look like bot activity to them; thus, they block it.

However, these proxy servers will help you avoid IP bans. You can change your IP address so it doesn’t seem you’re connecting from one device. You can assign a specific IP to an account or rotate IPs so it looks like a new user each time.

2. Enhanced Anonymity

Residential IPs look like actual users while hiding your IP address behind a home device’s IP. As such, these servers enhance your anonymity and security while using them. A significant issue many businesses encounter is keeping their logins safe from hackers.

Yet, using a proxy server will help solve that problem. If hackers try to track your account or digital footprint, they can only track the proxy server’s location. This means your device and servers remain safe during all your activities.

3. Target Specific Geo-Locations

The best proxy providers ethically source residential IPs worldwide. As such, you can change your geo-location to almost any place and expand your market reach. Creating accounts for other markets can be challenging, as traveling to the market often requires traveling.

Extensive research is also needed to determine what the target audience wants. Yet, with proxies, you can access resources in the location as if you’re a local. This minimizes your expenses, as you don’t need to travel. It further targets specific locations with social media and e-commerce accounts.

4. Efficiently Manage Different Accounts

Whether you’re a business owner with several branches or a marketing manager, there comes a time when you have to operate many accounts. It often means you need multiple devices and locations to manage it to avoid IP bans and constant captchas.

With proxies, you can bypass these issues. They consolidate all your accounts on one device and manage them using a single person. You change the IP based on the account you’re accessing. They also allow an uninterrupted connection with 99.99% uptime.

Implement Effective Strategies to Boost Your Operations

A residential proxy, especially a rotating one, is the ideal tool to boost your multi-accounting operations. It delivers various benefits, such as increased geo-targeting capability. You can also enjoy better anonymity, fewer IP bans, and better efficiency.

Managing multiple logins can help you organically grow your business. Still, it’s also fraught with challenges when done without help. Proxies lets you independently manage these accounts in a streamlined manner.

Read More

USN-6842-1: gdb vulnerabilities

Read Time:1 Minute, 14 Second

It was discovered that gdb incorrectly handled certain memory operations
when parsing an ELF file. An attacker could possibly use this issue
to cause a denial of service. This issue is the result of an
incomplete fix for CVE-2020-16599. This issue only affected
Ubuntu 22.04 LTS. (CVE-2022-4285)

It was discovered that gdb incorrectly handled memory leading
to a heap based buffer overflow. An attacker could use this
issue to cause a denial of service, or possibly execute
arbitrary code. This issue only affected Ubuntu 22.04 LTS.
(CVE-2023-1972)

It was discovered that gdb incorrectly handled memory leading
to a stack overflow. An attacker could possibly use this issue
to cause a denial of service. This issue only affected
Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
(CVE-2023-39128)

It was discovered that gdb had a use after free vulnerability
under certain circumstances. An attacker could use this to cause
a denial of service or possibly execute arbitrary code. This issue
only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS
and Ubuntu 22.04 LTS. (CVE-2023-39129)

It was discovered that gdb incorrectly handled memory leading to a
heap based buffer overflow. An attacker could use this issue to cause
a denial of service, or possibly execute arbitrary code. This issue
only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
(CVE-2023-39130)

Read More

chromium-126.0.6478.114-1.fc39

Read Time:18 Second

FEDORA-2024-dd14eefb0e

Packages in this update:

chromium-126.0.6478.114-1.fc39

Update description:

update to 126.0.6478.114

High CVE-2024-6100: Type Confusion in V8
High CVE-2024-6101: Inappropriate implementation in WebAssembly
High CVE-2024-6102: Out of bounds memory access in Dawn
High CVE-2024-6103: Use after free in Dawn

Read More

chromium-126.0.6478.114-1.fc40

Read Time:18 Second

FEDORA-2024-d2b54d5a9d

Packages in this update:

chromium-126.0.6478.114-1.fc40

Update description:

update to 126.0.6478.114

High CVE-2024-6100: Type Confusion in V8
High CVE-2024-6101: Inappropriate implementation in WebAssembly
High CVE-2024-6102: Out of bounds memory access in Dawn
High CVE-2024-6103: Use after free in Dawn

Read More

ZDI-24-816: Microsoft Windows Menu DC Bitmap Use-After-Free Local Privilege Escalation Vulnerability

Read Time:16 Second

This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2024-30082.

Read More

ZDI-24-817: VIPRE Advanced Security PMAgent Link Following Local Privilege Escalation Vulnerability

Read Time:17 Second

This vulnerability allows local attackers to escalate privileges on affected installations of VIPRE Advanced Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2024-5928.

Read More