Explain CVE-2012-1443
The RAR file parser in ClamAV 0.96.4, Rising Antivirus 22.83.00.03, Quick Heal (aka Cat QuickHeal) 11.00, G Data AntiVirus 21, AVEngine 20101.3.0.103 in Symantec Endpoint Protection 11, Command Antivirus 5.2.11.5, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, Emsisoft Anti-Malware 5.1.0.1, PC Tools AntiVirus 7.0.3.5, F-Prot Antivirus 4.6.2.117, VirusBuster 13.6.151.0, Fortinet Antivirus 4.2.254.0, Antiy Labs AVL SDK 2.0.3.7, K7 AntiVirus 9.77.3565, Trend Micro HouseCall 9.120.0.1004, Kaspersky Anti-Virus 7.0.0.125, Jiangmin Antivirus 13.0.900, Antimalware Engine 1.1.6402.0 in Microsoft Security Essentials 2.0, Sophos Anti-Virus 4.61.0, NOD32 Antivirus 5795, Avira AntiVir 7.11.1.163, Norman Antivirus 6.06.12, McAfee Anti-Virus Scanning Engine 5.400.0.1158, Panda Antivirus 10.0.2.7, McAfee Gateway (formerly Webwasher) 2010.1C, Trend Micro AntiVirus 9.120.0.1004, Comodo Antivirus 7424, Bitdefender 7.2, eSafe 7.0.17.0, F-Secure Anti-Virus 9.0.16160.0, nProtect Anti-Virus 2011-01-17.01, AhnLab V3 Internet Security 2011.01.18.00, AVG Anti-Virus 10.0.0.1190, avast! Antivirus 4.8.1351.0 and 5.0.677.0, and VBA32 3.12.14.2 allows user-assisted remote attackers to bypass malware detection via a RAR file with an initial MZ character sequence.  NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different RAR parser implementations.
Affected Products: n/a
References: [{'name': '80472', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://osvdb.org/80472'}, {'name': '20120319 Evasion attacks expoliting file-parsing vulnerabilities in antivirus products', 'tags': ['mailing-list', 'x_refsource_BUGTRAQ'], 'url': 'http://www.securityfocus.com/archive/1/522005'}, {'name': '52612', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/52612'}, {'name': '80467', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://osvdb.org/80467'}, {'name': '80461', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://osvdb.org/80461'}, {'name': '80470', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://osvdb.org/80470'}, {'name': '80460', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://osvdb.org/80460'}, {'tags': ['x_refsource_MISC'], 'url': 'http://www.ieee-security.org/TC/SP2012/program.html'}, {'name': '80468', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://osvdb.org/80468'}, {'name': '80456', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://osvdb.org/80456'}, {'name': '80457', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://osvdb.org/80457'}, {'name': '80458', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://osvdb.org/80458'}, {'name': '80454', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://osvdb.org/80454'}, {'name': '80455', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://osvdb.org/80455'}, {'name': '80459', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://osvdb.org/80459'}, {'name': '80469', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://osvdb.org/80469'}, {'name': '80471', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://osvdb.org/80471'}]
CVE State: PUBLISHED