CVE-2012-1723
CRITICAL KEV RANSOMWAREJava Applet Field Bytecode Verifier Cache Remote Code Execution
Title source: metasploitExploitation Summary
CVE-2012-1723 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added March 3, 2022, with confirmed use in ransomware campaigns.
EIP tracks 3 public exploits from researchers including Metasploit, EthanNJC, Stefan Cornelius, mihi, littlelightlittlefire, juan vazquez, sinn3r, including a Metasploit module exploits/multi/browser/java_verifier_field_access.
AI-analyzed exploit summary This Metasploit module exploits a vulnerability in the HotSpot bytecode verifier (CVE-2012-1723) to escape the JRE sandbox and execute arbitrary code. It delivers a malicious Java applet via an HTTP server to achieve remote code execution.
Description
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 update 4 and earlier, 6 update 32 and earlier, 5 update 35 and earlier, and 1.4.2_37 and earlier allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Hotspot.
Exploits (3)
This Metasploit module exploits a vulnerability in the HotSpot bytecode verifier (CVE-2012-1723) to escape the JRE sandbox and execute arbitrary code. It delivers a malicious Java applet via an HTTP server to achieve remote code execution.
This PoC exploits CVE-2012-1723, a Java Applet sandbox escape vulnerability, by manipulating ClassLoader references to bypass security restrictions and execute arbitrary commands. The exploit chain involves confusing the ClassLoader, defining a malicious class with elevated permissions, and executing a payload.
This Metasploit module exploits a vulnerability in the HotSpot bytecode verifier (CVE-2012-1723) to escape the JRE sandbox and execute arbitrary code. It uses a malicious Java applet to deliver a payload, supporting multiple platforms and architectures.
References (11)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H