Clearswift MailSweeper Attachment Filename Validation Vulnerability

BID:7568

Info

Clearswift MailSweeper Attachment Filename Validation Vulnerability

Bugtraq ID: 7568
Class: Input Validation Error
CVE:
Remote: Yes
Local: No
Published: May 13 2003 12:00AM
Updated: May 13 2003 12:00AM
Credit: Vulnerability disclosed by the vendor.
Vulnerable: Clearswift MailSweeper 4.3.7
Clearswift MailSweeper 4.3.6 SP1
Clearswift MailSweeper 4.3.6
Clearswift MailSweeper 4.3.5
Clearswift MailSweeper 4.3.4
Clearswift MailSweeper 4.3.3
Clearswift MailSweeper 4.3
- Microsoft Windows 2000 Advanced Server SP3
 - Microsoft Windows 2000 Advanced Server SP2
 - Microsoft Windows 2000 Professional SP3
 - Microsoft Windows 2000 Professional SP2
 - Microsoft Windows 2000 Server SP3
 - Microsoft Windows 2000 Server SP2
 Clearswift MailSweeper 4.2
Clearswift MailSweeper 4.1
Clearswift MailSweeper 4.0
Not Vulnerable: Clearswift MailSweeper 4.3.8

Discussion

Clearswift MailSweeper Attachment Filename Validation Vulnerability

A vulnerability has been reported in how MailSweeper handles filenames for attachments. MailSweeper does not sufficiently validate certain types of malformed filenames. This could lead to the bypassing of MailSweeper filtering.

Exploit / POC

Clearswift MailSweeper Attachment Filename Validation Vulnerability

No exploit is required to exploit this vulnerability.

Solution / Fix

Clearswift MailSweeper Attachment Filename Validation Vulnerability

Solution:
The vendor has released fixes to address this issue. A patch available to upgrade the system to 4.3.8 can only be applied to the 4.3.7 release of the software. More information is available from the vendor, and also the referenced bug report link.


Clearswift MailSweeper 4.0

Clearswift MailSweeper 4.1

Clearswift MailSweeper 4.2

Clearswift MailSweeper 4.3

Clearswift MailSweeper 4.3.3

Clearswift MailSweeper 4.3.4

Clearswift MailSweeper 4.3.5

Clearswift MailSweeper 4.3.6 SP1

Clearswift MailSweeper 4.3.6

Clearswift MailSweeper 4.3.7

References

Clearswift MailSweeper Attachment Filename Validation Vulnerability

References:

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