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Cesanta Mongoose 6.16 - Integer overflow

12/6/2019

Cesanta Mongoose 6.16 - Integer overflow

CyStack Advisory IDCSA-2019-04CVE IDs CVE-2019-19307 [https://nvd.nist.gov/vuln/detail/CVE-2019-19307]SeverityCriticalCVSS v3 Base9.8 Synopsis CyStack Security discovered an integer overflow vulnerability in the implementation of MQTT protocol in the Cesanta Mongoose Library version 6.16. By exploiting the vulnerability, a remote, unauthenticated attacker can perform a DoS attack to broker server with an infinite loop or a potential remote code execution due to its out of bound access ability.

Static binary injection with high-level code

11/7/2019

Static binary injection with high-level code

Giới thiệu Static binary injection là một kỹ thuật dùng để chèn những đoạn code từ ngoài vào trong một file thực thi để theo dõi hoặc thay đổi hành vi của chương trình trong quá trình chạy. Nếu là một kẻ tấn công, hắn có thể sử dụng kỹ thuật này để thực hiện việc lây nhiễm lâu dài, còn đối với người nghiên cứu bảo mật, đây sẽ là sự hỗ trợ tuyệt vời cho việc instrument các file thực thi. Hiện tại các tool thực hiện việc này chủ yếu đều là inject những đoạn mã assembly vào file thực thi và cũng c

D-Link DNS-320 ShareCenter <= 2.05.B10 - Unauthenticated Remote code execution

9/12/2019

D-Link DNS-320 ShareCenter <= 2.05.B10 - Unauthenticated Remote code execution

CyStack Advisory IDCSA-2019-03CVE IDs CVE-2019-16057 [https://www.cvedetails.com/cve/CVE-2019-16057/]SeverityCriticalCVSS v2 Base10.0 Vendor's announcementLink [https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10123] Synopsis CyStack Security discovered a remote code execution vulnerability in the D-Link DNS-320 ShareCenter [http://sharecenter.dlink.com/products/DNS-320]device which its version is lower or equal 2.05.B10 . By exploiting the vulnerability, a remote,