CVE-2012-1443

CVE-2012-1443 describes a bypass vulnerability in the RAR file parsers of numerous antivirus products, including ClamAV, Symantec Endpoint Protection, and Microsoft Security Essentials. An attacker could craft a malicious RAR file with an initial "MZ" character sequence to evade malware detection, requiring user interaction to open the file. This vulnerability has a CVSS score of 4.3 (Medium), indicating a network-based attack with medium complexity, leading to a partial integrity impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.