Title: John Hardin Procmail Email Sanitizer Multipart Mime Recognition Vulnerability
Severity: HIGH
Description:
John Hardin's Procmail Email Sanitizer is a Procmail configuration file which attempts to locate and remove dangerous content. It is able to prevent many common email viruses from casually infecting users.
An error exists in the way some versions of the Procmail Email Sanitizer decode certain recursive multipart MIME attachments. It is possible that malicious code may be able to take advantage of this deficiency to evade the mail filter.
Earlier versions of this script may share this vulnerability.
Affected Products:
- John Hardin Procmail Email Sanitizer 1.131.0
- John Hardin Procmail Email Sanitizer 1.132.0
References:
- John Hardin: Enhancing E-Mail Security With Procmail
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