Xjar_tips

Xjartips Introduction: Spring Boot JAR 安全加密运行工具, 同时支持的原生JAR. 基于对JAR包内资源的加密以及拓展ClassLoader来构建的一套程序加密启动, 动态解密运行的方案, 避免源码泄露以及反编译. 功能特性 无代码侵入, 只需要把编译好的JAR包通过工具加密即可. 完全内存解密, 降低源码以及字节码泄露或反编译的风险. 支持所有JDK内置加解密算法. 可选择需要加解密的字节码或其他资源文件. 支持Maven插件, 加密更加便捷. 动态生成Go启动器, 保护密码不泄露. 其中xjar...

splinter

splinter splinter is a jvm analysis toolkit, allowing the user to view classes, methods, fields, constant pools and bytecode on runtime. this was made and tested on openjdk build 22.0.2+9-70 what is splinter? usually, when you think of an analysis toolkit for the jvm, you would think it uses jni ...

CVE-2015-7501

Lab for Java Deserialization Vulnerabilities This content is related to the paper written for the 12th edition of H2HC magazine. See full paper in: https://www.h2hc.com.br/revista/ Slides and video of the talk will be available soon. Um overview sobre as bases das falhas de desserialização nativa...

cve-2022-42889-intercept

cve-2022-42889-intercept For versions below Java 11, special attention is required, as higher versions have already removed the Javascript interpreter. This solution targets Java 8. Intercept illegal parameters via JVM startup parameters and jps pid. quick start -----------------------load...

MicroStrategy Web 10.4 - Information Disclosure

MicroStrategy Web 10.4 is susceptible to information disclosure. The JVM configuration, CPU architecture, installation folder, and other information are exposed through /MicroStrategyWS/happyaxis.jsp. An attacker can use this vulnerability to learn more about the application environment and there...

SerialKillerBypassGadgetCollection

SerialKiller: Bypass Gadget Collection Description Collection of Bypass Gadgets that can be used in JVM Deserialization Gadget chains to bypass "Look-Ahead ObjectInputStreams" desfensive deserialization. Released as part of RSA 2016 Talk "SerialKiller: Silently Pwning Your Java Endpoints" by Alva...

CVE-2025-27533-Exploit-for-Apache-ActiveMQ

CVE-2025-27533-Exploit-for-Apache-ActiveMQ PoC exploit for CVE-2025-27533 , a Denial of Service DoS vulnerability in Apache ActiveMQ. This tool sends malicious OpenWire packets to exhaust the JVM heap memory of the target server, and potentially crashing the ActiveMQ service on port 61616. USE...

CVE-2026-50056

A local privilege escalation vulnerability in the zmmailboxdmgr launcher of Zimbra Collaboration Suite ZCS allows the Unix zimbra account to execute arbitrary commands as root. The passwordless sudo interface accepts JVM arguments that are not adequately restricted. An attacker can postpone Jetty...

EUVD-2026-108979

A local privilege escalation vulnerability in the zmmailboxdmgr launcher of Zimbra Collaboration Suite ZCS allows the Unix zimbra account to execute arbitrary commands as root. The passwordless sudo interface accepts JVM arguments that are not adequately restricted. An attacker can postpone Jetty...

CVE-2026-50056

A local privilege escalation vulnerability exists in the zmmailboxdmgr launcher of Zimbra Collaboration Suite (ZCS) versions 10.1.16 and 10.1.21. The root cause is an argument injection flaw where the passwordless sudo interface accepts unrestricted JVM arguments. An attacker with local command e...

CVE-2026-50056 Zimbra Collaboration Suite Local Privilege Escalation via zmmailboxdmgr JVM Argument Injection

A local privilege escalation vulnerability in the zmmailboxdmgr launcher of Zimbra Collaboration Suite ZCS allows the Unix zimbra account to execute arbitrary commands as root. The passwordless sudo interface accepts JVM arguments that are not adequately restricted. An attacker can postpone Jetty...

jdwp-shellifier

JDWP exploitation script What is it ? This exploitation script is meant to be used by pentesters against active JDWP service, in order to gain Remote Code Execution. How does it work ? Well, in a pretty standard way, the script only requires a Python 2 interpreter: % python ./jdwp-shellifier.py -...

PT-2026-122109

A local privilege escalation vulnerability in the zmmailboxdmgr launcher of Zimbra Collaboration Suite ZCS allows the Unix zimbra account to execute arbitrary commands as root. The passwordless sudo interface accepts JVM arguments that are not adequately restricted. An attacker can postpone Jetty...

cve-2021-44228-qingteng-patch

Qingteng log4j2-patch https://github.com/qingtengyun/cve-2021-44228-qingteng-patch Fixes CVE-2021-44228 for log4j2, using the Instrumentation API provided by the JVM to modify existing bytecode loaded into the JVM. Without restarting the Java process, it modifies the lookup method of...

Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to multiple issues in zstd-jni.

Summary IBM Watson Speech Services Cartridge is vulnerable to multiple issues in zstd-jni. Zstd-jni is used in our Speech microservices. These vulnerabilities have been addressed. Please read the details for remediation below. Vulnerability Details CVEID:CVE-2026-87795 DESCRIPTION: zstd-jni...

Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to zstd-jni.

Summary IBM App Connect Enterprise Kafka nodes are vulnerable to multiple vulnerabilities due to zstd-jni. Vulnerability Details CVEID:CVE-2026-87795 DESCRIPTION: zstd-jni versions before 1.5.7-14 fail to validate offset and length parameters in the ZstdDictCompress constructor, allowing...

cve-2021-44228

This Ansible playbook applies a global 'JAVATOOLOPTIONS: -Dlog4j2.formatMsgNoLookups=true' to all users. This mitigates the CVE-2021-44228 exploit for all JVM apps on the hosts in the inventory To exec: ansible-playbook playbook.yml -i inventory...

graylog-cve-2024-24824-exploit

Exploiting Arbitrary Class Loading on the JVM This repository contains the proof-of-concept exploit presented in my talk: Exploiting Arbitrary Class Loading on the JVM Watch it here if you're interested: Youtube The exploit targets CVE-2024-24824 minor typo in the slides, an arbitrary class loadi...

CLEANSTART-2026-TT31497 client may send a WebSocket frame with an unknown opcode and a very large declared payload length, causing Jetty to attempt a large memory allocation and potentially exhaust the JVM heap

Security vulnerability affects the rundeck package. A client may send a WebSocket frame with an unknown opcode and a very large declared payload length, causing Jetty to attempt a large memory allocation and potentially exhaust the JVM heap...

log4j-recognizer

log4j-recognizer A utility to look for log4j in the currently running JVM CVE-2021-44228 Log4Shell. This is useful for systems that allow plugins to introduce their own jars. Therefore, you can find if someone brought log4j in a dangerous version. Usage Just instantiate Log4jRecognizer with your...