Imperva_gzip_bypass

Imperva 웹 애플리케이션 방화벽WAF POST 요청 우회 Imperva Cloud WAF는 악성 HTTP POST 페이로드log4j 익스플로잇, SQL 인젝션, 명령 실행, 디렉토리 트래버설, XXE 등를 전송할 때 공격자가 WAF 규칙을 우회할 수 있는 취약점이 있었습니다. 해결 방법 Imperva 팀은 보고를 받은 즉시 이를 매우 진지하게 받아들였으며, 단 며칠 만에 글로벌 수정을 완료했습니다. Kudos. Cloud WAF의 모든 고객은 2021년 12월 22일 기준으로 자동 패치되었습니다. Imperva는 협력하기...

Imperva_gzip_WAF_Bypass

Imperva Web Application Firewall WAF POSTリクエストバイパス Imperva Cloud WAFは、log4jエクスプロイト、SQLインジェクション、コマンド実行、ディレクトリトラバーサル、XXEなどの悪意のあるHTTP POSTペイロードを送信する際に、攻撃者がWAFルールを回避できるようにするバイパスに対して脆弱でした。 修復策 Impervaのチームは、報告を受けた瞬間からこの問題を非常に真剣に受け止め、わずか数日でグローバルな修正を完了させました。素晴らしい対応です。Cloud...

Elevate Your Cybersecurity with Imperva Cloud WAF: More Than Just a Checkbox

In the world of digital modernization, having a web application firewall WAF isnt an option - its a necessity. But in the endless sea of security solutions, how do you choose the right one? How do you ensure that youre not merely checking a box, but genuinely fortifying your digital fortress? Whi...

5 Things We’ve Learned About CVE-2021-44228

Over the last week, Imperva Threat Research observed interesting data points related to CVE-2021-44228. Despite new variants being discovered and patched by our team, we wanted to share five interesting things that we’ve learned from analyzing a subset of our overall global network traffic. Attac...

Python and Go Top the Chart of 2019’s Most Popular Hacking Tools

Imperva Cloud WAF protects over a hundred thousand websites globally and observes around a billion of attacks daily. We detect thousands of hacking tools on a daily basis and employ various measures to stop malicious requests. Here are the most dangerous tools and attacks we discover while...

How to Deploy a Graylog SIEM Server in AWS and Integrate with Imperva Cloud WAF

Security Information and Event Management SIEM products provide real-time analysis of security alerts generated by security solutions such as Imperva Cloud Web Application Firewall WAF. Many organizations implement a SIEM solution to bring visibility of all security events from various solutions...