CVE-2005-3378
Multiple interpretation error in Norman 5.81 with the 5.83.02 engine 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…
Does this matter?
Lower severity and a low EPSS score (2.35%). Track it; it rarely justifies an emergency change on its own.
Description
Multiple interpretation error in Norman 5.81 with the 5.83.02 engine 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."
- CVSS 2.0
- 5.1 MEDIUMAV:N/AC:H/Au:N/C:P/I:P/A:P
- EPSS
- 2.35% probability · 83th percentile
- CISA KEV
- Not listed
- Affected
- norman/norman virus control
- Source
- cve@mitre.org
References
- http://marc.info/?l=bugtraq&m=113026417802703&w=2
- http://www.securityelf.org/magicbyte.html
- http://www.securityelf.org/magicbyteadv.htmlVendor Advisory
- http://www.securityelf.org/updmagic.html
- http://www.securityfocus.com/bid/15189
- http://marc.info/?l=bugtraq&m=113026417802703&w=2
- http://www.securityelf.org/magicbyte.html
- http://www.securityelf.org/magicbyteadv.htmlVendor Advisory
- http://www.securityelf.org/updmagic.html
- http://www.securityfocus.com/bid/15189
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.