Date: 05 January 2006
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AUSCERT External Security Bulletin Redistribution
ESB-2006.0005 -- [UNIX/Linux][SCO]
New LibXpm patches fix arbitrary code execution vulnerability
5 January 2006
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AusCERT Security Bulletin Summary
---------------------------------
Product: LibXpm
Publisher: SCO
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact: Execute Arbitrary Code/Commands
Access: Remote/Unauthenticated
CVE Names: CVE-2005-0605
Original Bulletin:
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.5/SCOSA-2006.5.txt
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______________________________________________________________________________
SCO Security Advisory
Subject: OpenServer 5.0.6 OpenServer 5.0.7 OpenServer 6.0.0 : LibXpm Integer Overflow Vulnerability
Advisory number: SCOSA-2006.5
Issue date: 2006 January 04
Cross reference: fz533161
CVE-2005-0605
______________________________________________________________________________
1. Problem Description
An integer overflow vulnerability in libXpm can be exploited by
a remote user to cause arbitrary code to be executed.
The 'scan.c' code does not properly validate user-supplied data
contained in image files. A remote user can create a specially
crafted image file that, when processed by the target user or
application, will trigger the overflow and execute arbitrary
code.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2005-0605 to this issue.
2. Vulnerable Supported Versions
System Binaries
----------------------------------------------------------------------
OpenServer 5.0.6 /usr/lib/libXm.so.1.2
/usr/lib/libXm.a
OpenServer 5.0.7 /usr/lib/libXm.so.1.2
/usr/lib/libXm.a
OpenServer 6.0.0 /osr5/usr/lib/libXm.so.1.2
/usr/lib/libXm.so.1.3
/usr/lib/WXm/libXm.so.1.3
3. Solution
The proper solution is to install the latest packages.
4. OpenServer 5.0.6
4.1 Location of Fixed Binaries
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.5
4.2 Verification
MD5 (p533161.507_vol.tar) = 6029872cf58a680d097c81cdf4adb093
md5 is available for download from
ftp://ftp.sco.com/pub/security/tools
4.3 Installing Fixed Binaries
The following package should be installed on your system before
you install this fix:
OSS646C
Upgrade the affected binaries with the following sequence:
1) Download p533161.507_vol.tar file to a directory.
2) Extract VOL* files.
# tar xvf p533161.507_vol.tar
3) Run the custom command, specify an install from media images,
and specify the directory as the location of the images.
5. OpenServer 5.0.7
5.1 Location of Fixed Binaries
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.5
5.2 Verification
MD5 (p533161.507_vol.tar) = 6029872cf58a680d097c81cdf4adb093
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 p533161.507_vol.tar file to a directory.
2) Extract VOL* files.
# tar xvf p533161.507_vol.tar
3) Run the custom command, specify an install from media images,
and specify the directory as the location of the images.
6. OpenServer 6.0.0
6.1 Location of Fixed Binaries
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.5
6.2 Verification
MD5 (p533161.600_vol.tar) = 234154d30efa8c7eb47e5af7b2c300d7
md5 is available for download from
ftp://ftp.sco.com/pub/security/tools
6.3 Installing Fixed Binaries
Upgrade the affected binaries with the following sequence:
1) Download p533161.600_vol.tar file to a directory.
2) Extract VOL* files.
# tar xvf p533161.600_vol.tar
3) Run the custom command, specify an install from media images,
and specify the directory as the location of the images.
7. References
Specific references for this advisory:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0605
http://securitytracker.com/id?1013339
http://www.securityfocus.com/bid/12714
https://bugs.freedesktop.org/attachment.cgi?id=1909
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 fz533161.
8. 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.
______________________________________________________________________________
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