PT-2001-2665 · Clearswift · Clearswift Mailsweeper For Smtp

Published 2001-12-31 · Updated 2017-07-29 · CVE-2001-1581

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions Clearswift MAILsweeper for SMTP version 4.2

Description The issue allows remote attackers to bypass e-mail attachment filtering policies. This is achieved by modifying the name in a Content-Type header, effectively circumventing the File Blocker feature.

Recommendations For version 4.2, consider restricting access to the Content-Type header until a patch is available. As a temporary workaround, monitor e-mail attachments closely to detect any potential bypassing of filtering policies. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2001-1581

Affected Products

Clearswift Mailsweeper For Smtp

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2001-1581 · Security Note
• http://mimesweeper.com/support/technotes/notes/1102.asp · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6801 · Note