h1-ctf: 12 Days of CTF Walkthroughs

h1-ctf: 12 Days of Hacky Holidays This is my writeup for 12 Days of Hacky Holidays. The report is written such that beginners to CTFs will be able to learn the tricks of the trade. The Mission: The Grinch has gone hi-tech this year with the intention of ruining the holidays 😱We need you to...

h1-ctf: h1 hacky holidays CTF solution

Simple script to print all the flags. Full solution to follow want to spend more time writing this, but am racing to be first 10 submissions: echo "Flag 1 -- robots.txt" curl https://hackyholidays.h1ctf.com/robots.txt 2/dev/null | grep flag echo "" echo "Flag 2 -- js descrambed --...

CVE-2020-26284

Hugo is a fast and Flexible Static Site Generator built in Go. Hugo depends on Go's os/exec for certain features, e.g. for rendering of Pandoc documents if these binaries are found in the system %PATH% on Windows. In Hugo before version 0.79.1, if a malicious file with the same name exe or bat is...

CVE-2020-26284

Hugo is a fast and Flexible Static Site Generator built in Go. Hugo depends on Go's os/exec for certain features, e.g. for rendering of Pandoc documents if these binaries are found in the system %PATH% on Windows. In Hugo before version 0.79.1, if a malicious file with the same name exe or bat is...

Design/Logic Flaw

Hugo is a fast and Flexible Static Site Generator built in Go. Hugo depends on Go's os/exec for certain features, e.g. for rendering of Pandoc documents if these binaries are found in the system %PATH% on Windows. In Hugo before version 0.79.1, if a malicious file with the same name exe or bat is...

CVE-2020-26284

Hugo is a fast and Flexible Static Site Generator built in Go. Hugo depends on Go's os/exec for certain features, e.g. for rendering of Pandoc documents if these binaries are found in the system %PATH% on Windows. In Hugo before version 0.79.1, if a malicious file with the same name exe or bat is...

CVE-2020-26284

CVE-2020-26284 affects Hugo (Go-based SSG) where, before v0.79.1, Hugo uses Go’s os/exec and will invoke a malicious executable if a file named after a common Windows binary (exe or bat) exists in the current working directory when Hugo runs. This can allow an attacker to execute arbitrary code o...

CVE-2020-26284

Hugo is a fast and Flexible Static Site Generator built in Go. Hugo depends on Go's os/exec for certain features, e.g. for rendering of Pandoc documents if these binaries are found in the system %PATH% on Windows. In Hugo before version 0.79.1, if a malicious file with the same name exe or bat is...

MGASA-2020-0469 Updated mbedtls packages fix security vulnerabilities

This update provides security bug fixes and minor enhancements. Limit the size of calculations performed by mbedtlsmpiexpmod to MBEDTLSMPIMAXSIZE to prevent a potential denial of service when generating Diffie-Hellman key pairs. A failure of the random generator was ignored in mbedtlsmpifillrando...

Updated mbedtls packages fix security vulnerabilities

This update provides security bug fixes and minor enhancements. Limit the size of calculations performed by mbedtlsmpiexpmod to MBEDTLSMPIMAXSIZE to prevent a potential denial of service when generating Diffie-Hellman key pairs. A failure of the random generator was ignored in mbedtlsmpifillrando...

EGavilan Barcodes generator cross-site scripting vulnerability

Egavilan Media Barcodes generator is a Php-based barcode generator for product names from Egavilan Media. EGavilan Barcodes generator 1.0 suffers from a cross-site scripting vulnerability that originates from cross-site scripting XSS via index.php. An attacker can exploit this vulnerability to...

kernel: information exposure in drivers/char/random.c and kernel/time/timer.c

A flaw was found in the Linux kernel. The generation of the device ID from the network RNG internal state is predictable. The highest threat from this vulnerability is to data confidentiality...

CVE-2020-35396

EGavilan Barcodes generator 1.0 is affected by: Cross Site Scripting XSS via the index.php. An Attacker is able to inject the XSS payload in the web application each time a user visits the website...

CVE-2020-35396

EGavilan Barcodes generator 1.0 is affected by: Cross Site Scripting XSS via the index.php. An Attacker is able to inject the XSS payload in the web application each time a user visits the website...

Cross site scripting

EGavilan Barcodes generator 1.0 is affected by: Cross Site Scripting XSS via the index.php. An Attacker is able to inject the XSS payload in the web application each time a user visits the website...

CVE-2020-35396

CVE-2020-35396 affects EGavilan Barcodes generator 1.0. The vulnerability is a Cross Site Scripting (XSS) carried out via index.php, allowing an attacker to inject an XSS payload when users visit the web application. The connected documents describe the issue consistently but do not provide concr...

kernel: information exposure in drivers/char/random.c and kernel/time/timer.c

A flaw was found in the Linux kernel. The generation of the device ID from the network RNG internal state is predictable. The highest threat from this vulnerability is to data confidentiality...

Gustave - Embedded OS kernel fuzzer

GUSTAVE is a fuzzing platform for embedded OS kernels. It is based on QEMU and AFL and all of its forkserver siblings. It allows to fuzz OS kernels like simple applications. Thanks to QEMU, it is multi-platform. One can see GUSTAVE as a AFL forkserver implementation inside QEMU, with fine grain...

PolyAsciiShellGen

It is an offensive tool for x86 platforms. The primary CVE ID present in the provided context is not explicitly stated, but the tool is related to bypassing MSB data filters for buffer overflow exploits on Intel x86 platforms, as described in the paper "Bypassing MSB Data Filters for Buffer...

Barcodes Generator 1.0 Cross Site Scripting

Exploit Title: Barcodes generator 1.0 - 'name' Stored Cross Site Scripting Date: 10/12/2020 Exploit Author: Nikhil Kumar Vendor Homepage: http://egavilanmedia.com/ Software Link: http://egavilanmedia.com/barcodes-generator-using-php-mysql-and-jsbarcode-library/ Version: 1.0 Tested On: Ubuntu 1...