CVE-2021-29509: Uncontrolled Resource Consumption

Puma is a concurrent HTTP 1.1 server for Ruby/Rack applications. The fix for CVE-2019-16770 was incomplete. The original fix only protected existing connections that had already been accepted from having their requests starved by greedy persistent-connections saturating all threads in the same...

Keepalive Connections Causing Denial Of Service in puma

Impact The fix for CVE-2019-16770 was incomplete. The original fix only protected existing connections that had already been accepted from having their requests starved by greedy persistent-connections saturating all threads in the same process. However, new connections may still be starved by...

CVE-2021-27851

A security vulnerability that can lead to local privilege escalation has been found in ’guix-daemon’. It affects multi-user setups in which ’guix-daemon’ runs locally. The attack consists in having an unprivileged user spawn a build process, for instance with guix build, that makes its build...

UBUNTU-CVE-2021-27851

A security vulnerability that can lead to local privilege escalation has been found in ’guix-daemon’. It affects multi-user setups in which ’guix-daemon’ runs locally. The attack consists in having an unprivileged user spawn a build process, for instance with guix build, that makes its build...

CVE-2021-27851 Local privilege escalation in GNU Guix via guix-daemon and '--keep-failed'

A security vulnerability that can lead to local privilege escalation has been found in ’guix-daemon’. It affects multi-user setups in which ’guix-daemon’ runs locally. The attack consists in having an unprivileged user spawn a build process, for instance with guix build, that makes its build...

Privilege Escalation

bullseye is vulnerable to privilege escalation.The attack consists in having an unprivileged user spawn a build process, for instance with guix build, that makes its build directory world-writable. The user then creates a hardlink to a root-owned file such as /etc/shadow in that build directory. ...

CVE-2021-27851

A security vulnerability that can lead to local privilege escalation has been found in ’guix-daemon’. It affects multi-user setups in which ’guix-daemon’ runs locally. The attack consists in having an unprivileged user spawn a build process, for instance with guix build, that makes its build...

Denial Of Service (DoS)

varnish cache is vulnerable to denial of service. A remote attacker is able to crash the application by sending malicious HTTP/1 requests processed on the same HTTP/1 keep-alive connection. This causes Varnish to restart with a clean cache, resulting in a denial of service condition...

[SECURITY] Fedora 32 Update: golang-github-docker-credential-helpers-0.6.3-2.fc32

Docker-credential-helpers is a suite of programs to use native stores to ke ep Docker credentials safe...

h1-ctf: Hacky Holidays Writeup

On December 12th, 2020, the CTF became live and the scope that we are allowed to attack was In Scope Domain - hackyholidays.h1ctf.com Our main motive was to infiltrate his network and take him down. The challenges appeared one by one till 24th of December. Here we will be going through all the...

CVE-2020-26281

async-h1 is an asynchronous HTTP/1.1 parser for Rust crates.io. There is a request smuggling vulnerability in async-h1 before version 2.3.0. This vulnerability affects any webserver that uses async-h1 behind a reverse proxy, including all such Tide applications. If the server does not read the bo...

CVE-2020-26281

async-h1 is an asynchronous HTTP/1.1 parser for Rust crates.io. There is a request smuggling vulnerability in async-h1 before version 2.3.0. This vulnerability affects any webserver that uses async-h1 behind a reverse proxy, including all such Tide applications. If the server does not read the bo...

Cross site request forgery (csrf)

async-h1 is an asynchronous HTTP/1.1 parser for Rust crates.io. There is a request smuggling vulnerability in async-h1 before version 2.3.0. This vulnerability affects any webserver that uses async-h1 behind a reverse proxy, including all such Tide applications. If the server does not read the bo...

Async-h1 request smuggling possible with long unread bodies

This vulnerability affects any webserver that uses async-h1 behind a reverse proxy, including all such Tide applications. If the server does not read the body of a request which is longer than some buffer length, async-h1 will attempt to read a subsequent request from the body content starting at...

389-ds:1.4 bug fix update

389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server and command-line utilities for server administration. Bug Fixes: Entries conflict not resolved by replication BZ1904347 Duplicate entryUSN numbers for...

Unbreakable Enterprise kernel security update

5.4.17-2036.100.6.1.el8uek - powercap: restrict energy meter to root access Kanth Ghatraju Orabug: 32040802 CVE-2020-8694 CVE-2020-8695 - KVM: ioapic: break infinite recursion on lazy EOI Vitaly Kuznetsov Orabug: 32066585 CVE-2020-27152 CVE-2020-27152 - x86/mitigations: Restore paranoid checks fo...

Exploit for Use After Free in Microsoft

System-Vulnerability 实时更新较好用最新漏洞EXP，仅供已授权渗透测试使用 --- Windows --2019.9.20 CVE-2019-0708 Blue Keep Rce --2019.11.20 CVE-2019-1388 UAC 提权 --2020.3 CVE-2020-0796 - SMBv3 poc --2020.4 CVE-2020-0796 - SMBv3 提权 --2020.5 全版本窃取令牌提权 --2020.6 CVE-2020-0796 - SMBv3 getshell Linux --2019.11 CVE-2019-14287 sudo...

varnish: denial of service handling certain crafted HTTP/1 requests

A flaw was found in the way Varnish parsed certain HTTP/1 requests. A remote attacker could use this flaw to crash Varnish by sending specially crafted multiple HTTP/1 requests processed on the same HTTP/1 keep-alive connection. This causes Varnish to restart with a clean cache, causing a denial ...

CVE-2020-5934

On BIG-IP APM 15.1.0-15.1.0.5, 14.1.0-14.1.2.3, and 13.1.0-13.1.3.3, when multiple HTTP requests from the same client to configured SAML Single Logout SLO URL are passing through a TCP Keep-Alive connection, traffic to TMM can be disrupted...

CVE-2020-5934

On BIG-IP APM 15.1.0-15.1.0.5, 14.1.0-14.1.2.3, and 13.1.0-13.1.3.3, when multiple HTTP requests from the same client to configured SAML Single Logout SLO URL are passing through a TCP Keep-Alive connection, traffic to TMM can be disrupted...