Caldera Systems Security Advisory: security problems in webmin

Date: Fri, 19 Jan 2001 10:25:14 -0700
From: Caldera Support Info sup-info@LOCUTUS4.CALDERASYSTEMS.COM
To: BUGTRAQ@SECURITYFOCUS.COM
Subject: Security Update: security problems in webmin
CSSA-2001-004.0

---

                   Caldera Systems, Inc.  Security Advisory

Subject:                security problems in webmin
Advisory number:        CSSA-2001-004.0
Issue date:             2001 January, 17
Cross reference:

---

1. Problem Description

On several occasions, webmin creates temporary files insecurely.
This can be exploited by a local attacker to overwrite or create
arbitrary files and possibly gain root privilege.

There are no known exploits for this problem.

2. Vulnerable Versions

   System                       Package
   -----------------------------------------------------------
   OpenLinux Desktop 2.3        not shipping with webmin

   OpenLinux eServer 2.3.1      All packages previous to
   and OpenLinux eBuilder       webmin-0.749-5

   OpenLinux eDesktop 2.4       All packages previous to
                                wemin-0.78-8

3. Solution

Workaround:

none

The proper solution is to upgrade to the fixed packages.

4. OpenLinux eServer 2.3.1 and OpenLinux eBuilder for ECential
3.0

4.1 Location of Fixed Packages

The upgrade packages can be found on Caldera’s FTP site at:

ftp://ftp.calderasystems.com/pub/updates/eServer/2.3/current/RPMS/

The corresponding source code package can be found at:

ftp://ftp.calderasystems.com/pub/updates/eServer/2.3/current/SRPMS

4.2 Verification

9cf4e2041e6c6122f402199d09fcbffc
RPMS/webmin-0.749-5.i386.rpm
4a1eaff7a80609ec19198aa815081f4b SRPMS/webmin-0.749-5.src.rpm

4.3 Installing Fixed Packages

Upgrade the affected packages with the following commands:

rpm -Fhv webmin-0.749-5.i386.rpm

5. OpenLinux eDesktop 2.4

5.1 Location of Fixed Packages

The upgrade packages can be found on Caldera’s FTP site at:

ftp://ftp.calderasystems.com/pub/updates/eDesktop/2.4/current/RPMS/

The corresponding source code package can be found at:

ftp://ftp.calderasystems.com/pub/updates/eDesktop/2.4/current/SRPMS

5.2 Verification

b6c8209aac511616367e8a6278e49c6d RPMS/webmin-0.78-8.i386.rpm
fb9ddf3279b007fa99f49e7aaf486f5b SRPMS/webmin-0.78-8.src.rpm

5.3 Installing Fixed Packages

Upgrade the affected packages with the following commands:

rpm -Fhv webmin-0.78-8.i386.rpm

6. References

This and other Caldera security resources are located at:

http://www.calderasystems.com/support/security/index.html

This security fix closes Caldera’s internal Problem Report
8732.

7. Disclaimer

Caldera Systems, Inc. is not responsible for the misuse of any
of the information we provide on this website and/or through our
security advisories. Our advisories are a service to our customers
intended to promote secure installation and use of Caldera
OpenLinux.