BIT-APACHE-2021-31618 NULL pointer dereference on specially crafted HTTP/2 request

Apache HTTP Server protocol handler for the HTTP/2 protocol checks received request headers against the size limitations as configured for the server and used for the HTTP/1 protocol as well. On violation of these restrictions and HTTP response is sent to the client with a status code indicating...

QRExfiltrate - Tool That Allows You To Convert Any Binary File Into A QRcode Movie. The Data Can Then Be Reassembled Visually Allowing Exfiltration Of Data In Air Gapped Systems

This tool is a command line utility that allows you to convert any binary file into a QRcode GIF. The data can then be reassembled visually allowing exfiltration of data in air gapped systems. It was designed as a proof of concept to demonstrate weaknesses in DLP software; that is, the assumption...

SharpML - Machine Learning Network Share Password Hunting Toolkit

SharpML is a proof of concept file share data mining tool using Machine Learning in Python and C. The tool is discussed in more detail on our blog here, but is summarised below also: SharpML is C and Python based tool that performs a number of operations with a view to mining file shares, queryin...

CVE-2021-31618

Apache HTTP Server protocol handler for the HTTP/2 protocol checks received request headers against the size limitations as configured for the server and used for the HTTP/1 protocol as well. On violation of these restrictions and HTTP response is sent to the client with a status code indicating...

CVE-2021-31618 NULL pointer dereference on specially crafted HTTP/2 request

Apache HTTP Server protocol handler for the HTTP/2 protocol checks received request headers against the size limitations as configured for the server and used for the HTTP/1 protocol as well. On violation of these restrictions and HTTP response is sent to the client with a status code indicating...

CVE-2020-8927

A buffer overflow flaw was found in the Brotli library where an attacker could control the input length of a "one-shot" decompression request to a script that can trigger a crash. This issue can happen when copying chunks of data larger than 2 GiB. Mitigation This flaw can be mitigated by using...

Denial Of Service (DoS) Via Zip Bomb

akka-http is vulnerable to denial of service via a Zip Bomb. The vulnerability is caused by the application not having size limitations on decompressed data from the directives decodeRequest and decodeRequestWith or when using them in combination with directives like entityas, toStrict, or...

The LZO/LZ4 Integer Overflow Summary

Integer overflow in the LZ4 algorithm implementation, as used in Yann Collet LZ4 before r118 and in the lz4uncompress function in lib/lz4/lz4decompress.c in the Linux kernel before 3.15.2, on 32-bit platforms might allow context-dependent attackers to cause a denial of service memory corruption o...

Exploit writing tutorial part 2 - Jumping to shellcode [RUS by pleaZ]

Автор: Peter Van Eeckhoutte corelanc0d3r Перевод: peaz 5/2011 В предыдущей части руководства Part1: Stack Based Overflows, я объяснял основы по использованию информации о найденной уязвимости в целях создания собственного эксплойта. На примере из предыдущей части, мы видели, что ESP указывал на...