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SCOSA-2004.7.txt

SCOSA-2004.7.txt
Posted Jul 20, 2004
Site sco.com

SCO Security Advisory - Multiple vulnerabilities have been found in the MMDF binaries included with SCO Openserver versions 5.0.6 and 5.0.7. These include buffer overflows, null dereferences, and core dumps.

tags | advisory, overflow, vulnerability
advisories | CVE-2004-0510, CVE-2004-0511, CVE-2004-0512
SHA-256 | f78bc63931e13a59fb61612fe42904a3de9bc9c717ed7cd53c2d6e79a6eb8a55

SCOSA-2004.7.txt

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______________________________________________________________________________

SCO Security Advisory

Subject: OpenServer 5.0.6 OpenServer 5.0.7 : MMDF Various buffer overflows and other security issues
Advisory number: SCOSA-2004.7
Issue date: 2004 July 14
Cross reference: sr884728 fz528322 erg712434 CAN-2004-0510 CAN-2004-0511 CAN-2004-0512
______________________________________________________________________________


1. Problem Description

Deprotect discovered a buffer overflow in execmail. After reviewing
our code we determined the whole MMDF package needed a security audit.

Various buffer overflows and other security issues that affect all
MMDF binaries have been corrected.

All but one of the MMDF binaries that were setuid root are no
longer setuid.

Additional changes in this version of MMDF are documented at
ftp://ftp.sco.com/pub/openserver5/507/mp/mp3/osr507mp3.html#rn507mp_mmdf
and in the updated man pages which are included in SCOSA-2004.7

The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned MMDF buffer overflows the name CAN-2004-0510.

The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned MMDF null dereferences the name CAN-2004-0511.

The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned MMDF core dumps the name CAN-2004-0512.

2. Vulnerable Supported Versions

System Binaries
----------------------------------------------------------------------
OpenServer 5.0.6 MMDF Distribution
OpenServer 5.0.7 MMDF Distribution

3. Solution

The proper solution is to install the latest packages.

4. OpenServer 5.0.7

4.1 Location of Fixed Binaries

ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2004.7

The fixes are also available in SCO OpenServer Release 5.0.7
Maintenance Pack 3 or later. See
http://www.sco.com/support/update/download/osr507list.html.

5. OpenServer 5.0.6

5.1 Location of Fixed Binaries

ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2004.7

5.2 Verification

MD5 (VOL.000.000) = 7d079342022ff408e479184fab3ee86b

md5 is available for download from
ftp://ftp.sco.com/pub/security/tools

5.3 Installing Fixed Binaries

Upgrade the affected binaries with the following sequence:

1) Download the VOL* files to a directory

2) Run the custom command, specify an install from media
images, and specify the download directory as the location of
the images.


6. References

Specific references for this advisory:
http://www.deprotect.com/advisories/DEPROTECT-20040206.txt

SCO security resources:
http://www.sco.com/support/security/index.html

SCO security advisories via email
http://www.sco.com/support/forums/security.html

This security fix closes SCO incidents sr884728 fz528322
erg712434.


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. Acknowledgments

SCO would like to thank Deprotect which describes itself
as "a Swedish based security company divided into four
divisions; Managed Security Services, Security Services,
Products and Development and our Security Academy."

______________________________________________________________________________

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