Exploitation Summary
EIP tracks 1 public exploit for CVE-2022-21340. PoCs published by Alexandre-Bartel.
AI-analyzed exploit summary This PoC exploits CVE-2022-21340, a vulnerability in Java's JarFile implementation, by creating a maliciously crafted JAR file with an excessively large manifest. The exploit triggers a denial-of-service (DoS) condition due to excessive resource consumption during manifest parsing.
Description
Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 7u321, 8u311, 11.0.13, 17.0.1; Oracle GraalVM Enterprise Edition: 20.3.4 and 21.3.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM Enterprise Edition. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
Exploits (1)
This PoC exploits CVE-2022-21340, a vulnerability in Java's JarFile implementation, by creating a maliciously crafted JAR file with an excessively large manifest. The exploit triggers a denial-of-service (DoS) condition due to excessive resource consumption during manifest parsing.
References (6)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L