java-security
Safeguard articles tagged "java-security" — guides, analysis, and best practices for software supply chain and application security.
139 articles
CVE-2023-46589: The Tomcat Request Smuggling Flaw, Explained
CVE-2023-46589 lets an attacker smuggle HTTP requests past a reverse proxy by abusing malformed trailer headers in Apache Tomcat. Here is how it works and which versions to run.
CVE-2020-17530: Forced OGNL evaluation RCE in Apache Struts2
CVE-2020-17530 lets attackers achieve unauthenticated RCE in Apache Struts2 via forced OGNL evaluation. Here's the scope, timeline, and how to remediate it.
CVE-2015-6420: Deserialization vulnerability via Apache C...
How a vulnerable Apache Commons Collections library let attackers achieve remote code execution via Java deserialization gadget chains, and what CVE-2015-6420 still teaches about supply chain risk.
CVE-2019-12384: Polymorphic deserialization gadget in Jac...
CVE-2019-12384 is a Jackson-databind polymorphic deserialization gadget flaw via Ehcache's transaction manager class, patched in 2.9.9.1.
CVE-2019-14540: Jackson-databind blacklist bypass via c3p...
CVE-2019-14540 lets attackers bypass jackson-databind's deserialization blacklist via c3p0 classes to achieve RCE. Here's what's affected, the timeline, and how to remediate.
CVE-2019-16335: Jackson-databind gadget via jackson-dataf...
CVE-2019-16335 is a jackson-databind polymorphic deserialization flaw tied to jackson-dataformat-cbor, fixed in 2.9.10. Here's the impact, timeline, and fix.
CVE-2021-33037: HTTP request smuggling in Apache Tomcat
CVE-2021-33037 let malformed HTTP trailers desync Apache Tomcat from front-end proxies, enabling request smuggling. Here's what's affected and how to remediate.
CVE-2021-25329: Incomplete fix of Tomcat PersistenceManag...
CVE-2021-25329 shows how Tomcat's PersistenceManager deserialization fix (CVE-2020-9484) was incomplete, still risking RCE in edge-case configs.
CVE-2022-1471: Remote code execution in SnakeYAML deseria...
CVE-2022-1471 exposes SnakeYAML deserialization to remote code execution. Here is what is affected, CVSS context, and how to remediate the flaw.
CVE-2023-41080: Apache Tomcat Open Redirect in FORM Authentication
CVE-2023-41080 lets a crafted URL trigger an open redirect during FORM login on Tomcat's ROOT web app. Here is the exact condition, affected versions, and the one-line fix path.
CVE-2017-18640: Denial of service via SnakeYAML alias ent...
CVE-2017-18640 lets attackers crash Java services by abusing SnakeYAML's YAML alias/anchor expansion. Here's what's affected and how to fix it.
CVE-2018-1270: Remote code execution in Spring Messaging ...
CVE-2018-1270 is a critical, unauthenticated RCE in Spring Messaging's STOMP-over-WebSocket support. Here's what's affected, how severe it is, and how to remediate it.
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