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...

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...

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...

HackerOne: Static files on HackerOne.com can be made inaccessible through Cache Poisoning attack

Summary: Hi, The host hackerone.com uses cloudlfare to cache static files. The header x-forwarded-scheme can be used to cause a redirect loop, which will be cached by cloudflare. By taking down a JS file, it is possible to cause a total loss of availability on hackerone.com Disclaimer No actual...

Exodus: Cache Poisoning DoS on downloads.exodus.com

Summary: Hello, The subdomain downloads.exodus.com hosts all files meant to be downloaded by exodus users. A few of the file I found are: https://downloads.exodus.com/releases/exodus-linux-x64-21.4.9.zip https://downloads.exodus.com/releases/hashes-exodus-21.2.12.txt...

‘Browser Isolation’ Takes On Entrenched Web Threats

Cloudflare says it’s possible to build a version of the notoriously slow and buggy tool without compromising on speed...

CopperStealer Malware Targets Facebook and Instagram Business Accounts

A malware that until now has gone undocumented has been quietly hijacking online accounts of advertisers and users of Facebook, Apple, Amazon, Google and other web giants since July 2019 and then using them for nefarious activity, researchers have found. Dubbed CopperStealer, the malware acts...

150,000 Verkada security cameras hacked—to make a point

Hackers were able to gain access to camera feeds from Verkada, a tech company that specializes in video security and physical access control, to demonstrate how prevalent surveillance is, reports say. Unfortunately, it also exposed the inner workings of hospitals, clinics, and mental health...