{"id":"CVE-2005-3376","aliases":["EUVD-2005-3375","GHSA-4xg5-8jmg-478h"],"status":"published","title":"Multiple interpretation error in Kaspersky 5.0.372 allows remote attackers to bypass virus...","description":"Multiple interpretation error in Kaspersky 5.0.372 allows remote attackers to bypass virus scanning via a file such as BAT, HTML, and EML with an \"MZ\" magic byte sequence which is normally associated with EXE, which causes the file to be treated as a safe type that could still be executed as a dangerous file type by applications on the end system, as demonstrated by a \"triple headed\" program that contains EXE, EML, and HTML content, aka the \"magic byte bug.\"","severity":{"version":"2.0","score":5.1,"vector":"AV:N/AC:H/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-06","score":0.01352,"percentile":0.71673,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2005-10-29T19:00:00Z","modified":"2026-06-16T22:16:50Z","products":[{"vendor":"kaspersky_lab","product":"kaspersky_anti-virus"}],"references":[{"url":"http://www.securityfocus.com/bid/15189","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securityelf.org/magicbyte.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityelf.org/magicbyteadv.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"http://marc.info/?l=bugtraq\u0026m=113026417802703\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityelf.org/updmagic.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-3376"},{"url":"https://github.com/advisories/GHSA-4xg5-8jmg-478h"}],"sources":{"cve":[{"id":"CVE-2005-3376","description":"Multiple interpretation error in Kaspersky 5.0.372 allows remote attackers to bypass virus scanning via a file such as BAT, HTML, and EML with an \"MZ\" magic byte sequence which is normally associated with EXE, which causes the file to be treated as a safe type that could still be executed as a dangerous file type by applications on the end system, as demonstrated by a \"triple headed\" program that contains EXE, EML, and HTML content, aka the \"magic byte bug.\"","status":"published","published":"2005-10-29T19:00:00Z","modified":"2024-08-07T23:10:08.38Z","updated_at":"2026-11-02T14:33:38.550354Z"}],"euvd":[{"id":"EUVD-2005-3375","description":"Multiple interpretation error in Kaspersky 5.0.372 allows remote attackers to bypass virus scanning via a file such as BAT, HTML, and EML with an \"MZ\" magic byte sequence which is normally associated with EXE, which causes the file to be treated as a safe type that could still be executed as a dangerous file type by applications on the end system, as demonstrated by a \"triple headed\" program that contains EXE, EML, and HTML content, aka the \"magic byte bug.\"","status":"published","published":"2005-10-29T19:00:00Z","modified":"2024-08-07T23:10:08Z","updated_at":"2026-11-03T01:15:27.244831Z"}],"ghsa":[{"id":"GHSA-4xg5-8jmg-478h","title":"Multiple interpretation error in Kaspersky 5.0.372 allows remote attackers to bypass virus...","description":"Multiple interpretation error in Kaspersky 5.0.372 allows remote attackers to bypass virus scanning via a file such as BAT, HTML, and EML with an \"MZ\" magic byte sequence which is normally associated with EXE, which causes the file to be treated as a safe type that could still be executed as a dangerous file type by applications on the end system, as demonstrated by a \"triple headed\" program that contains EXE, EML, and HTML content, aka the \"magic byte bug.\"","status":"published","published":"2022-05-01T02:17:17Z","modified":"2023-01-30T05:07:44Z","updated_at":"2026-11-02T14:47:44.966752Z"}],"nvd":[{"id":"CVE-2005-3376","description":"Multiple interpretation error in Kaspersky 5.0.372 allows remote attackers to bypass virus scanning via a file such as BAT, HTML, and EML with an \"MZ\" magic byte sequence which is normally associated with EXE, which causes the file to be treated as a safe type that could still be executed as a dangerous file type by applications on the end system, as demonstrated by a \"triple headed\" program that contains EXE, EML, and HTML content, aka the \"magic byte bug.\"","status":"published","published":"2005-10-30T14:34:00Z","modified":"2026-06-16T22:16:50.497Z","cvss":[{"version":"2.0","score":5.1,"vector":"AV:N/AC:H/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:57.365803Z"}]}}