DDoS Chart Toppers—BPS, PPS and RPS Greatest Hits

New to the scene, monster-sized botnet Mēris is raising some eyebrows with giant requests per second rps attacks as shared by Cloudflare 17.2M rps, reported August 19, Yandex peaking at 21.8M rps on September 5, and KrebsOnSecurity 2M rps on September 9. Some commentary came in on Slashdot, The...

KrebsOnSecurity Hit By Huge New IoT Botnet “Meris”

On Thursday evening, KrebsOnSecurity was the subject of a rather massive and mercifully brief distributed denial-of-service DDoS attack. The assault came from "Meris," the same new botnet behind record-shattering attacks against Russian search giant Yandex this week and internet infrastructure fi...

CVE-2021-3761

Any CA issuer in the RPKI can trick OctoRPKI prior to 1.3.0 into emitting an invalid VRP "MaxLength" value, causing RTR sessions to terminate. An attacker can use this to disable RPKI Origin Validation in a victim network for example AS 13335 - Cloudflare prior to launching a BGP hijack which...

CVE-2021-3761

Any CA issuer in the RPKI can trick OctoRPKI prior to 1.3.0 into emitting an invalid VRP "MaxLength" value, causing RTR sessions to terminate. An attacker can use this to disable RPKI Origin Validation in a victim network for example AS 13335 - Cloudflare prior to launching a BGP hijack which...

CVE-2021-3761

Any CA issuer in the RPKI can trick OctoRPKI prior to 1.3.0 into emitting an invalid VRP "MaxLength" value, causing RTR sessions to terminate. An attacker can use this to disable RPKI Origin Validation in a victim network for example AS 13335 - Cloudflare prior to launching a BGP hijack which...

UBUNTU-CVE-2021-3761

Any CA issuer in the RPKI can trick OctoRPKI prior to 1.3.0 into emitting an invalid VRP "MaxLength" value, causing RTR sessions to terminate. An attacker can use this to disable RPKI Origin Validation in a victim network for example AS 13335 - Cloudflare prior to launching a BGP hijack which...

Input validation

Any CA issuer in the RPKI can trick OctoRPKI prior to 1.3.0 into emitting an invalid VRP "MaxLength" value, causing RTR sessions to terminate. An attacker can use this to disable RPKI Origin Validation in a victim network for example AS 13335 - Cloudflare prior to launching a BGP hijack which...

CVE-2021-3761 OctoRPKI lacks contextual out-of-bounds check when validating RPKI ROA maxLength values

Any CA issuer in the RPKI can trick OctoRPKI prior to 1.3.0 into emitting an invalid VRP "MaxLength" value, causing RTR sessions to terminate. An attacker can use this to disable RPKI Origin Validation in a victim network for example AS 13335 - Cloudflare prior to launching a BGP hijack which...

CVE-2021-3761

CVE-2021-3761 affects Cloudflare’s RPKI validator (OctoRPKI) prior to 1.3.0, where any CA issuer can trigger an invalid VRP MaxLength value, causing RTR sessions to terminate. This can disable RPKI Origin Validation in a victim network and potentially enable a subsequent BGP hijack; RTR session f...

RPKI 缓冲区错误漏洞

RPKI is Resource Public Key Infrastructure RPKI, also known as Resource Certification Resource Certification, the full name in Chinese is "Internet Code Resource Public Key Infrastructure", is a public key infrastructure PKI framework designed to make the Internet routing infrastructure more...

GHSA-C8XP-8MF3-62H9 OctoRPKI lacks contextual out-of-bounds check when validating RPKI ROA maxLength values

Any CA issuer in the RPKI can trick OctoRPKI prior to https://github.com/cloudflare/cfrpki/commit/a8db4e009ef217484598ba1fd1c595b54e0f6422 into emitting an invalid VRP "MaxLength" value, causing RTR sessions to terminate. Impact An attacker can use this to disable RPKI Origin Validation in a vict...

OctoRPKI lacks contextual out-of-bounds check when validating RPKI ROA maxLength values

Any CA issuer in the RPKI can trick OctoRPKI prior to https://github.com/cloudflare/cfrpki/commit/a8db4e009ef217484598ba1fd1c595b54e0f6422 into emitting an invalid VRP "MaxLength" value, causing RTR sessions to terminate. Impact An attacker can use this to disable RPKI Origin Validation in a vict...

Sifchain: Origin IP Disclosure Vulnerability

Summary: It is possible to access origin IP servers served by nginx and not cloudflare. Even though these IP's don't serve a functional version of the app it is possible to enable DDoS attacks by bypassing cloudflare protections. Steps To Reproduce: Even though these IP's don't serve a functional...

Cloudflare mitigated one of the largest DDoS attack involving 17.2 million rps

Web infrastructure and website security company Cloudflare on Thursday disclosed that it mitigated the largest ever volumetric distributed denial of service DDoS attack recorded to date. The attack, launched via a Mirai botnet, is said to have targeted an unnamed customer in the financial industr...

Largest DDoS attack ever reported gets hoovered up by Cloudflare

On the Cloudflare blog, the American web infrastructure behemoth that provides content delivery network CDN and DDoS mitigation services reports that it detected and mitigated a 17.2 million request-per-second rps DDoS attack. To put that number in perspective. The company reports that this is...

@alex.garcia/oak (>=0.0.17 <=0.0.19), @apify/better-sqlite3-prebuilds (=7.1.1) +195 more potentially affected by CVE-2021-32803 via tar (>=4.0.1 <=4.4.13)

tar NPM version =4.0.1, =0.0.17, =0.0.1, =0.2.0, =0.2.0, =3.0.7, =3.0.6, =1.4.0, =1.0.0, =1.0.0-alpha.1, =1.10.9-beta, =1.0.0, =1.1.4, =2.1.0, =2.2.0 and more Source cves: CVE-2021-32803 Source advisory: OSV:GHSA-R628-MHMH-QJHW...

Shopify: Shopify.com Web Cache Deception vulnerability leads to personal information and CSRF tokens leakage

Shopify.com Web Cache Deception Vulnerability Matteo Golinelli, July 21, 2021. I am testing websites for possible Web Cache Deception vulnerabilities you can find more about it here and I discovered that shopify.com is vulnerable. Web cache deception WCD is an attack where an attacker tricks a...

CloudFlare CDNJS Bug Could Have Led to Widespread Supply-Chain Attacks

Web infrastructure and website security company Cloudflare last month fixed a critical vulnerability in its CDNJS library that's used by 12.7% of all websites on the internet. CDNJS is a free and open-source content delivery network CDN that serves about 4,041 JavaScript and CSS libraries, making...

Denial Of Service (DoS)

github.com/cloudflare/tableflip is vulnerable to denial of service. The vulnerability exists due to a hung goroutine in the parent process after a failed upgrade...

A failed upgrade may lead to hung goroutines

Impact Processes using tableflip may encounter hung goroutines in the parent process, after a failed upgrade. The Go runtime has annoying behaviour around setting and clearing ONONBLOCK: exec.Cmd.Start ends up calling os.File.Fd for any file in exec.Cmd.ExtraFiles. os.File.Fd disables both the us...