Australia Experiences Massive Spike in WAF Multi-Vector, DDoS Attacks

With web applications under increased attacks, Akamai has analyzed data points for web application firewall WAF multi-vector and DDoS attacks between April 2021 and March 2022 to determine the severity of the situation in Australia...

GitLab: DOS via issue preview

Summary Previewing an issue with a specially-crafted description results in high CPU usage for 60 seconds request timeout. Multiple requests can be issued in parallel to create a larger impact. Steps to reproduce 1. Given an authorized user on GitLab.com - anyone can self-register. On EE - depend...

GitLab: DOS via move_issue

Summary Moving an issue with a specially-crafted description results in high CPU usage for 60 seconds request timeout. Multiple requests can be issued in parallel to create a larger impact. Steps to reproduce 1. Given an authorized user on GitLab.com - anyone can self-register. On EE - depends on...

PT-2022-18873 · Mediawiki +1 · Mediawiki +1

Name of the Vulnerable Software and Affected Versions: MediaWiki versions 1.37.x before 1.37.2 Description: A denial-of-service issue was discovered. The rendering of "w/index.php?title=Special:WhatLinksHere&target=Property:P31&namespace=1&invert=1" can take more than thirty seconds, posing a DDo...

Use After Free

linux is vulnerable to use-after-free. The vulnerability exists in the Linux Kernel in "tcnewtfilter" which allows a local attacker to gain privilege escalation which can lead to sensitive information disclosure, modification or a potential ddos attack...

APIs Are Here to Stay, so Get in Front of Securing Them

A recent IDC survey reported that 38 percent of organizations identified cybersecurity threats and regulations as the factor having the greatest impact on their technology investment planning over the next two years. The survey also revealed that for organizations taking a digital-first business...

New EnemyBot DDoS Botnet Borrows Exploit Code from Mirai and Gafgyt

A threat group that pursues crypto mining and distributed denial-of-service DDoS attacks has been linked to a new botnet called Enemybot, which has been discovered enslaving routers and Internet of Things IoT devices since last month. "This botnet is mainly derived from Gafgyt's source code but h...

SMTP2GO BBP: Origin IP found, WAF Cloudflare Bypass

Description: I have discovered that the http://172.105.190.180/login/ site exposed it's IP which could allow bypassing of anti-DDoS mechanisms i.e you are using Cloudflare for protection. For Originate IP address which I found from https://search.censys.io/ By using these IP address as a resolver...

No-Joke Borat RAT Propagates Ransomware, DDoS

Attackers are using a newly released remote access trojan RAT to spread ransomware and distributed denial of service DDoS — in addition to the traditional RAT function of backdooring victims’ systems. Researchers at Cyble Research Labs discovered the RAT, which they dubbed Borat RAT because it us...

Kraden: Found Origin IP's Lead To Access To kraden.com

Summary: Discovered that the kraden.com site exposed its Non-Cloudflare IP which could allow bypassing of anti-DDoS mechanisms. Description:Your origin servers are not blocking access from non-Cloudflare servers. This way crawlers can find your origin servers' IPs by checking random IPs until the...

Beastmode DDoS Botnet Exploiting New TOTOLINK Bugs to Enslave More Routers

A variant of the Mirai botnet called Beastmode has been observed adopting newly disclosed vulnerabilities in TOTOLINK routers between February and March 2022 to infect unpatched devices and expand its reach potentially. "The Beastmode aka B3astmode Mirai-based DDoS campaign has aggressively updat...

Spring Cloud Function SpEL Injection (CVE-2022-22963) Exploited in the Wild

Although Spring Cloud Functions are not as widespread as the Log4j library, and should provide a good separation from the hosting server, some draw the line between the two, due to the ease of exploitation over HTTP/s. This new vulnerability will definitely result in many threat actors launching...

RCE Bug in Spring Cloud Could Be the Next Log4Shell, Researchers Warn

NOTE: This post is about the confirmed and patched vulnerability tracked as CVE-2022-22963. While the researchers at Sysdig refer to this Spring Cloud bug as “Spring4Shell,” it should be noted that there is some confusion as to what to call it, with another security firm referring to a different,...

Attacks on Ukraine communications are a major part of the war

Since the start of the Russian invasion of Ukraine, the war on the battlefield has been accompanied by cyber attacks. Those attacks against critical infrastructure have knocked out banking and defense platforms, mostly by targeting several communication systems. In a timeline set up by NetBlocks,...

Muhstik botnet adds another vulnerability exploit to its arsenal

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here Muhstik malware has begun attacking Redis Servers by exploiting a recently reported vulnerability, CVE-2022-0543. This flaw can be found in several Redis Debian packages. The attack began on March 11, 2022, and was carried out...

API Security Explained

As enterprises continue on their digital journeys, security teams are preparing for the good, the bad, and the ugly of APIs. We’ll explain in plain language what APIs do, how they are attacked, and how API security works either as a stand-alone solution or with Web Application Firewalls and DDoS...

Of Cybercriminals and IP Addresses

You don't like having the FBI knocking on your door at 6 am in the morning. Surprisingly, nor does your usual cybercriminal. That is why they hide at least the good ones, for example, behind layers of proxies, VPNs, or TOR nodes. Their IP address will never be exposed directly to the target's...

Muhstik Botnet Targeting Redis Servers Using Recently Disclosed Vulnerability

Muhstik, a botnet infamous for propagating via web application exploits, has been observed targeting Redis servers using a recently disclosed vulnerability in the database system. The vulnerability relates to CVE-2022-0543, a Lua sandbox escape flaw in the open-source, in-memory, key-value data...

‘Spam Nation’ Villain Vrublevsky Charged With Fraud

Pavel Vrublevsky, founder of the Russian payment technology firm ChronoPay and the antagonist in my 2014 book "Spam Nation," was arrested in Moscow this month and charged with fraud. Russian authorities allege Vrublevsky operated several fraudulent SMS-based payment schemes, and facilitated money...

AvosLocker ransomware uses Microsoft Exchange Server vulnerabilities, says FBI

The FBI has issued an advisory about the AvosLocker ransomware. Notably the FBI has noticed that several victims have reported Microsoft Exchange Server vulnerabilities as the intrusion vector. AvosLocker is a Ransomware as a Service RaaS affiliate-based group that has targeted victims across...