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Category — Jenkins
Hackers Exploiting Jenkins Script Console for Cryptocurrency Mining Attacks

Hackers Exploiting Jenkins Script Console for Cryptocurrency Mining Attacks

Jul 09, 2024 CI/CD Security / Server Security
Cybersecurity researchers have found that it's possible for attackers to weaponize improperly configured Jenkins Script Console instances to further criminal activities such as cryptocurrency mining. "Misconfigurations such as improperly set up authentication mechanisms expose the '/script' endpoint to attackers," Trend Micro's Shubham Singh and Sunil Bharti said in a technical write-up published last week. "This can lead to remote code execution (RCE) and misuse by malicious actors." Jenkins, a popular continuous integration and continuous delivery ( CI/CD ) platform, features a Groovy script console that allows users to run arbitrary Groovy scripts within the Jenkins controller runtime. The project maintainers, in the official documentation, explicitly note that the web-based Groovy shell can be used to read files containing sensitive data (e.g., "/etc/passwd"), decrypt credentials configured within Jenkins, and even reconfigure sec...
Critical Jenkins Vulnerability Exposes Servers to RCE Attacks - Patch ASAP!

Critical Jenkins Vulnerability Exposes Servers to RCE Attacks - Patch ASAP!

Jan 25, 2024 Vulnerability / Software Security
The maintainers of the open-source continuous integration/continuous delivery and deployment (CI/CD) automation software Jenkins have resolved nine security flaws, including a critical bug that, if successfully exploited, could result in remote code execution (RCE). The issue, assigned the CVE identifier  CVE-2024-23897 , has been described as an arbitrary file read vulnerability through the built-in command line interface ( CLI ) "Jenkins uses the args4j library to parse command arguments and options on the Jenkins controller when processing CLI commands," the maintainers  said  in a Wednesday advisory. "This command parser has a feature that replaces an @ character followed by a file path in an argument with the file's contents (expandAtFiles). This feature is enabled by default and Jenkins 2.441 and earlier, LTS 2.426.2 and earlier does not disable it." A threat actor could exploit this quirk to read arbitrary files on the Jenkins controller file system...
Webinar: Learn How ASPM Transforms Application Security from Reactive to Proactive

Webinar: Learn How ASPM Transforms Application Security from Reactive to Proactive

Mar 07, 2025Software Security / AppSec
Are you tired of dealing with outdated security tools that never seem to give you the full picture? You're not alone. Many organizations struggle with piecing together scattered information, leaving your apps vulnerable to modern threats. That's why we're excited to introduce a smarter, unified approach: Application Security Posture Management (ASPM). ASPM brings together the best of both worlds by connecting your code insights with real-time runtime data. This means you get a clear, holistic view of your application's security. Instead of reacting to threats, ASPM helps you prevent them. Imagine reducing costly retrofits and emergency patches with a proactive, shift-left strategy—saving you time, money, and stress. Join Amir Kaushansky, Director of Product Management at Palo Alto Networks, as he walks you through how ASPM is changing the game. In this free webinar , you'll learn to: Close the Security Gaps: Understand why traditional AppSec tools fall short and how ASPM fills ...
Jenkins Security Alert: New Security Flaws Could Allow Code Execution Attacks

Jenkins Security Alert: New Security Flaws Could Allow Code Execution Attacks

Mar 08, 2023 Open Source / Automation Tool
A pair of severe security vulnerabilities have been disclosed in the Jenkins open source automation server that could lead to code execution on targeted systems. The flaws, tracked as  CVE-2023-27898  and  CVE-2023-27905 , impact the Jenkins server and Update Center, and have been collectively christened  CorePlague  by cloud security firm Aqua. All versions of Jenkins versions prior to 2.319.2 are vulnerable and exploitable. "Exploiting these vulnerabilities could allow an unauthenticated attacker to execute arbitrary code on the victim's Jenkins server, potentially leading to a complete compromise of the Jenkins server," the company said in a report shared with The Hacker News. The shortcomings are the result of how Jenkins processes plugins available from the  Update Center , thereby potentially enabling a threat actor to upload a plugin with a malicious payload and trigger a cross-site scripting (XSS) attack. "Once the victim opens the ' Availabl...
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Latest Atlassian Confluence Flaw Exploited to Breach Jenkins Project Server

Latest Atlassian Confluence Flaw Exploited to Breach Jenkins Project Server

Sep 07, 2021
The maintainers of Jenkins—a popular open-source automation server software—have disclosed a security breach after unidentified threat actors gained access to one of their servers by exploiting a recently disclosed vulnerability in Atlassian Confluence service to install a cryptocurrency miner. The "successful attack," which is believed to have occurred last week, was mounted against its Confluence service that had been deprecated since October 2019, leading the team to take the server offline, rotate privileged credentials, and reset passwords for developer accounts. "At this time we have no reason to believe that any Jenkins releases, plugins, or source code have been affected," the company  said  in a statement published over the weekend. The disclosure comes as the U.S. Cyber Command  warned  of ongoing mass exploitation attempts in the wild targeting a now-patched critical security vulnerability affecting Atlassian Confluence deployments. Tracked as CVE-2...
Critical Jenkins Server Vulnerability Could Leak Sensitive Information

Critical Jenkins Server Vulnerability Could Leak Sensitive Information

Aug 18, 2020
Jenkins—a popular open-source automation server software—published an advisory on Monday concerning a critical vulnerability in the Jetty web server that could result in memory corruption and cause confidential information to be disclosed. Tracked as CVE-2019-17638 , the flaw has a CVSS rating of 9.4 and impacts Eclipse Jetty versions 9.4.27.v20200227 to 9.4.29.v20200521—a full-featured tool that provides a Java HTTP server and web container for use in software frameworks. "Jenkins bundles Winstone-Jetty, a wrapper around Jetty, to act as HTTP and servlet server when started using java -jar jenkins.war. This is how Jenkins is run when using any of the installers or packages, but not when run using servlet containers such as Tomcat," read the advisory. "The vulnerability may allow unauthenticated attackers to obtain HTTP response headers that may include sensitive data intended for another user." The flaw , which impacts Jetty and Jenkins Core, appears to...
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