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The Hacker News - Most Trusted Cyber Security and Computer Security Analysis: Java Spring Framework

CISA Warns of Active Exploitation of Critical Spring4Shell Vulnerability

CISA Warns of Active Exploitation of Critical Spring4Shell Vulnerability

April 05, 2022Ravie Lakshmanan
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added the recently disclosed remote code execution (RCE) vulnerability affecting the Spring Framework, to its  Known Exploited Vulnerabilities Catalog  based on "evidence of active exploitation." The critical severity flaw, assigned the identifier  CVE-2022-22965  (CVSS score: 9.8) and dubbed "Spring4Shell", impacts Spring model–view–controller (MVC) and Spring WebFlux applications running on Java Development Kit 9 and later. "Exploitation requires an endpoint with DataBinder enabled (e.g., a POST request that decodes data from the request body automatically) and depends heavily on the servlet container for the application," Praetorian researchers Anthony Weems and Dallas Kaman noted last week. Although exact details of in-the-wild abuse remain unclear, information security company SecurityScorecard  said  "active scanning for this vulnerability has been observed coming fro
Security Patch Releases for Critical Zero-Day Bug in Java Spring Framework

Security Patch Releases for Critical Zero-Day Bug in Java Spring Framework

March 31, 2022Ravie Lakshmanan
The maintainers of Spring Framework have released an emergency patch to address a newly disclosed  remote code execution flaw  that, if successfully exploited, could allow an unauthenticated attacker to take control of a targeted system. Tracked as  CVE-2022-22965 , the high-severity flaw impacts Spring Framework versions 5.3.0 to 5.3.17, 5.2.0 to 5.2.19, and other older, unsupported versions. Users are recommended to upgrade to versions 5.3.18 or later and 5.2.20 or later. The Spring Framework is a Java framework that offers infrastructure support to develop web applications. "The vulnerability impacts Spring  MVC  [model–view–controller] and Spring WebFlux applications running on [Java Development Kit] 9+," Rossen Stoyanchev of Spring.io  said  in an advisory published Thursday. "The specific exploit requires the application to run on Tomcat as a WAR deployment. If the application is deployed as a Spring Boot executable jar, i.e., the default, it is not vulnerabl
Unpatched Java Spring Framework 0-Day RCE Bug Threatens Enterprise Web Apps Security

Unpatched Java Spring Framework 0-Day RCE Bug Threatens Enterprise Web Apps Security

March 31, 2022Ravie Lakshmanan
A zero-day remote code execution (RCE) vulnerability has come to light in the Spring framework shortly after a Chinese security researcher  briefly leaked  a  proof-of-concept  (PoC)  exploit  on GitHub before deleting their account. According to cybersecurity firm Praetorian, the unpatched flaw impacts Spring Core on Java Development Kit ( JDK ) versions 9 and later and is a bypass for another vulnerability tracked as  CVE-2010-1622 , enabling an unauthenticated attacker to execute arbitrary code on the target system. Spring is a  software framework  for building Java applications, including web apps on top of the Java EE (Enterprise Edition) platform. "In certain configurations, exploitation of this issue is straightforward, as it only requires an attacker to send a crafted HTTP request to a vulnerable system," researchers Anthony Weems and Dallas Kaman  said . "However, exploitation of different configurations will require the attacker to do additional research t
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