h1-ctf: [h1-415 2020] H1-415 CTF Writeup by W--

H1-415 CTF Writeup Intro HackerOne kicked off this year's H1-415 CTF with the following tweet: F692033 Loading the target challenge website shows that the website is called My Docz Converter. A quick look at the challenge website shows that it allows users to register an account and then upload a...

Information Disclosure

Apache Kafka connect-runtime is vulnerable to information disclosure. Improper usage of regex matching in the Connect REST API exposes plaintext secrets through the tasks endpoint if the config value contains additional characters...

DEBIAN-CVE-2015-2326

The pcrecompile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service out-of-bounds read via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by...

Updated oniguruma packages fix security vulnerabilities

Updated oniguruma packages fix security vulnerabilities: A use-after-free in onignewdeluxe in regext.c in Oniguruma 6.9.2 allows attackers to potentially cause information disclosure, denial of service, or possibly code execution by providing a crafted regular expression. The attacker provides a...

Node.js third-party modules: Denial Of Service in Strapi Framework using argument injection

I would like to report Denial Of Service in Strapi Framework.It allows attacker to force restart the server using argument injection. Module module name: strapi version: 3.0.0-beta.18.3 and earlier npm page: https://www.npmjs.com/package/strapi Module Description The Strapi HTTP layer sits on top...

OpenJDK: Unexpected exception thrown during regular expression processing in Nashorn (Scripting, 8223518)

Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE component: Scripting. Supported versions that are affected are Java SE: 8u221, 11.0.4 and 13; Java SE Embedded: 8u221. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple...

USN-4223-1 openjdk-8, openjdk-lts vulnerabilities

Jan Jancar, Petr Svenda, and Vladimir Sedlacek discovered that a side- channel vulnerability existed in the ECDSA implementation in OpenJDK. An Attacker could use this to expose sensitive information. CVE-2019-2894 It was discovered that the Socket implementation in OpenJDK did not properly...

PT-2019-14709 · Jenkins · Jenkins Build Failure Analyzer Plugin +1

Name of the Vulnerable Software and Affected Versions: Jenkins Build Failure Analyzer Plugin versions 1.24.1 and earlier Description: A missing permission check in the plugin allows attackers with Overall/Read permission to have Jenkins evaluate a computationally expensive regular expression...

OpenJDK: Unexpected exception thrown during regular expression processing in Nashorn (Scripting, 8223518)

Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE component: Scripting. Supported versions that are affected are Java SE: 8u221, 11.0.4 and 13; Java SE Embedded: 8u221. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple...

OpenJDK: Unexpected exception thrown during regular expression processing in Nashorn (Scripting, 8223518)

Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE component: Scripting. Supported versions that are affected are Java SE: 8u221, 11.0.4 and 13; Java SE Embedded: 8u221. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple...

[SECURITY] Fedora 30 Update: oniguruma-6.9.2-4.fc30

Oniguruma is a regular expressions library. The characteristics of this library is that different character encoding for every regular expression object can be specified. supported APIs: GNU regex, POSIX and Oniguruma native...

Codecat - Tool To Help In Manual Analysis In Codereview

CodeCat is a open source tool to help you in codereview, to find/track sinks and this points follow regex rules... How too install, step by step: Go to CodeCat directory, install backend and frontend libs: $ cd Front $ sudo python3 -m pip install -r requirements.txt $ cd .. $ cd Backend $ sudo...

[SECURITY] Fedora 31 Update: oniguruma-6.9.4-1.fc31

Oniguruma is a regular expressions library. The characteristics of this library is that different character encoding for every regular expression object can be specified. supported APIs: GNU regex, POSIX and Oniguruma native...

CVE-2019-16201

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network...

ALPINE-CVE-2019-16201

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network...

USN-4201-1 ruby2.3, ruby2.5 vulnerabilities

It was discovered that Ruby incorrectly handled certain files. An attacker could possibly use this issue to pass path matching what can lead to an unauthorized access. CVE-2019-15845 It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could use this issue to...

CVE-2019-16201

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network...

CVE-2019-16201

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network...

CVE-2019-16201

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network...

[SECURITY] Fedora 29 Update: oniguruma-6.9.1-3.fc29

Oniguruma is a regular expressions library. The characteristics of this library is that different character encoding for every regular expression object can be specified. supported APIs: GNU regex, POSIX and Oniguruma native...