CVE-2002-1777
HighSummary
Symantec Norton AntiVirus 2002 allows remote attackers to bypass e-mail scanning via a filename in the Content-Type field with an excluded extension, such as .nch or .dbx, and a malicious extension in the Content-Disposition field.
Risk Assessment
Attackers may exploit this vulnerability to deliver malware; however, the vendor claims that the virus will be detected before execution.
Recommendation
It is recommended to update Norton AntiVirus to the latest version and monitor emails for suspicious attachments.
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Original NVD description (English source)
NOTE: this issue has been disputed by the vendor. Symantec Norton AntiVirus (NAV) 2002 allows remote attackers to bypass e-mail scanning via a filename in the Content-Type field with an excluded extension such as .nch or .dbx, but a malicious extension in the Content-Disposition field, which is used by Outlook to obtain the file name. NOTE: the vendor has disputed this issue, acknowledging that the initial scan is bypassed, but Norton AntiVirus or the Office plug-in would detect the virus before it is executed