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SCO OpenLinux Advisory: fileutils

Mar 03, 2004, 20:29 (7 Talkback[s])

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SCO Security Advisory

Subject: OpenLinux: Integer overflow may allow local users to cause a denial of service or possibly execute arbitrary code
Advisory number: CSSA-2004-006.0
Issue date: 2004 March 01
Cross reference: sr886799 fz528469 erg712481 CAN-2003-0854 CAN-2003-0853

1. Problem Description

The Common Vulnerabilities and Exposures project ( has assigned the following names to these issues:

CAN-2003-0854 ls in the fileutils or coreutils packages allows local users to consume a large amount of memory via a large -w value, which can be remotely exploited via applications that use ls, such as wu-ftpd.

CAN-2003-0853 An integer overflow in ls in the fileutils or coreutils packages may allow local users to cause a denial of service or execute arbitrary code via a large -w value, which could be remotely exploited via applications that use ls, such as wu-ftpd.

2. Vulnerable Supported Versions

System Package
OpenLinux 3.1.1 Server prior to fileutils-4.1-6.i386.rpm
OpenLinux 3.1.1 Workstation prior to fileutils-4.1-6.i386.rpm

3. Solution

The proper solution is to install the latest packages. Many customers find it easier to use the Caldera System Updater, called cupdate (or kcupdate under the KDE environment), to update these packages rather than downloading and installing them by hand.

4. OpenLinux 3.1.1 Server

4.1 Package Location

4.2 Packages

ac55e0177cfef608523de3aafbe245a3 fileutils-4.1-6.i386.rpm

4.3 Installation

rpm -Fvh fileutils-4.1-6.i386.rpm

4.4 Source Package Location

4.5 Source Packages

e558c5ef3465c06fad85ec4c880a5d04 fileutils-4.1-6.src.rpm

5. OpenLinux 3.1.1 Workstation

5.1 Package Location

5.2 Packages

7cc40a37a1326b93a1da82737dc37483 fileutils-4.1-6.i386.rpm

5.3 Installation

rpm -Fvh fileutils-4.1-6.i386.rpm

5.4 Source Package Location

5.5 Source Packages

d04bac53f3bf74e53d96061e201f36b0 fileutils-4.1-6.src.rpm

6. References

Specific references for this advisory:
SCO security resources:

This security fix closes SCO incidents sr886799 fz528469 erg712481.

7. Disclaimer

SCO 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 SCO products.

8. Acknowledgements

SCO would like to thank Georgi Guninski