HexBrain

Gratipay · Report #116352

nginx SPDY heap buffer overflow for https://grtp.co/

Informativestatus
15 Feb 2016disclosed

How it was found

A heap-based buffer overflow in the SPDY implementation in nginx 1.3.15 before 1.4.7 and 1.5.x before 1.5.12 allows remote attackers to execute arbitrary code via a crafted request. The problem affects nginx compiled with the ngx_http_spdy_module module (which is not compiled by default) and without --with-debug configure option, if the "spdy" option of the "listen" directive is used in a configuration file. This vulnerability affects Web Server.

Current version is : nginx/1.4.6

The impact of this vulnerability: An attacker can cause a heap memory buffer overflow in a worker process by using a specially crafted request, potentially resulting in arbitrary code execution.

How to fix this vulnerability: Upgrade nginx to the latest version of apply the patch provided by the vendor.

Screenshots attached for the reference.

This report was disclosed publicly on HackerOne and belongs to its author and the program. See the original