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What to know about the HTTP/2 Rapid Reset DDoS attacks

Cisco Talos is actively tracking the novel distributed denial-of-service (DDoS) attacks cloud services provider Cloudflare disclosed earlier this week. The techniques described in Cloudflare’s blog post resulted in a record-breaking DDoS attack and could facilitate much larger attacks in the future.  CVE-2023-44487 CVE-2023-44487, a vulnerability in the

TALOS
#vulnerability#web#cisco#ddos#dos#botnet#auth
CVE-2023-38817: EchOh-No! a Vulnerability and PoC demonstration in a popular Minecraft AntiCheat tool.

An issue in Inspect Element Ltd Echo.ac v.5.2.1.0 allows a local attacker to gain privileges via a crafted command to the echo_driver.sys component.

Gaza Conflict: How Israeli Cybersecurity Will Respond

The Israeli-Hamas war will most assuredly impact businesses when it comes to ramped-up cyberattacks. Experts say that Israel's considerable collection of cybersecurity vendors be a major asset on the cyber-front.

Google, Cloudflare, and AWS Disclose Largest DDoS Attack in History

By Deeba Ahmed Google, Cloudflare, and AWS Disclosed Digital History’s Largest Ever DDoS Attack- Courtesy HTTP/2 Zero-day. This is a post from HackRead.com Read the original post: Google, Cloudflare, and AWS Disclose Largest DDoS Attack in History

Microsoft Releases October 2023 Patches for 103 Flaws, Including 2 Active Exploits

Microsoft has released its Patch Tuesday updates for October 2023, addressing a total of 103 flaws in its software, two of which have come under active exploitation in the wild. Of the 103 flaws, 13 are rated Critical and 90 are rated Important in severity. This is apart from 18 security vulnerabilities addressed in its Chromium-based Edge browser since the second Tuesday of September. The two

Patch Tuesday, October 2023 Edition

Microsoft today issued security updates for more than 100 newly-discovered vulnerabilities in its Windows operating system and related software, including four flaws that are already being exploited. In addition, Apple recently released emergency updates to quash a pair of zero-day bugs in iOS.

GHSA-xpw8-rcwv-8f8p: io.netty:netty-codec-http2 vulnerable to HTTP/2 Rapid Reset Attack

A client might overload the server by issue frequent RST frames. This can cause a massive amount of load on the remote system and so cause a DDOS attack. ### Impact This is a DDOS attack, any http2 server is affected and so you should update as soon as possible. ### Patches This is patched in version 4.1.100.Final. ### Workarounds A user can limit the amount of RST frames that are accepted per connection over a timeframe manually using either an own `Http2FrameListener` implementation or an `ChannelInboundHandler` implementation (depending which http2 API is used). ### References - https://www.cve.org/CVERecord?id=CVE-2023-44487 - https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/ - https://cloud.google.com/blog/products/identity-security/google-cloud-mitigated-largest-ddos-attack-peaking-above-398-million-rps/

Microsoft Patch Tuesday Haunted by Zero-Days, Wormable Bug

October's CVE update is here. Here's which security vulnerabilities to patch now to exorcise your Microsoft systems demons.

Internet-Wide Zero-Day Bug Fuels Largest-Ever DDoS Event

Ongoing Rapid Reset DDoS flood attacks exposed organizations need to patch CVE-2023-44487 immediately to head off crippling outages and business disruption.

Hackers for Hire Hit Both Sides in Israel-Hamas Conflict

DDoS for hire and live attacks hit both sides as cyber campaigns continue.