Date: Thu, 13 Mar 2003 09:57:17 -0800
From: [email protected]
To: [email protected], [email protected],
Subject: Security Update: [CSSA-2003-SCO.6] OpenServer 5.0.5 OpenServer 5.0.6 OpenServer 5.0.7 : remote buffer overflow in sendmail (CERT CA-2003-07)
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To: [email protected][email protected][email protected]
______________________________________________________________________________
SCO Security Advisory
Subject: OpenServer 5.0.5 OpenServer 5.0.6 OpenServer 5.0.7 : remote buffer overflow in sendmail (CERT CA-2003-07)
Advisory number: CSSA-2003-SCO.6
Issue date: 2003 March 12
Cross reference:
______________________________________________________________________________
1. Problem Description
From CA-2003-07: Researchers at Internet Security Systems
(ISS) have discovered a remotely exploitable vulnerability
in sendmail. This vulnerability could allow an intruder to
gain control of a vulnerable sendmail server.
2. Vulnerable Supported Versions
System Vulnerable Versions
----------------------------------------------------------------------
OpenServer 5.0.5 previous to sendmail 8.11.0a
OpenServer 5.0.6 previous to sendmail 8.11.0a
OpenServer 5.0.7 previous to sendmail 8.11.0a
3. Solution
The proper solution is to install the latest packages.
4. OpenServer 5.0.5
4.1 Location of Fixed Binaries
ftp://ftp.sco.com/pub/updates/OpenServer/CSSA-2003-SCO.6
4.2 Verification
MD5 (sendmail.506.tar) = da105d0a82313ed19bc10b515467e93f
md5 is available for download from
ftp://ftp.sco.com/pub/security/tools
4.3 Installing Fixed Binaries
Upgrade the affected binaries with the following sequence:
1) Download the sendmail.506.tar file to the /tmp directory
(OpenServer 5.0.5 uses the 5.0.6 tar image)
2) Extract the files from the tar archive:
cd /tmp; tar xvf sendmail.506.tar
3) Run the custom command, specify an install from media
images, and specify the /tmp directory as the location of
the images.
5. OpenServer 5.0.6
5.1 Location of Fixed Binaries
ftp://ftp.sco.com/pub/updates/OpenServer/CSSA-2003-SCO.6
5.2 Verification
MD5 (sendmail.506.tar) = da105d0a82313ed19bc10b515467e93f
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 sendmail.506.tar file to the /tmp directory
2) Extract the files from the tar archive:
cd /tmp; tar xvf sendmail.506.tar
3) Run the custom command, specify an install from media
images, and specify the /tmp directory as the location of
the images.
6. OpenServer 5.0.7
6.1 Location of Fixed Binaries
ftp://ftp.sco.com/pub/updates/OpenServer/CSSA-2003-SCO.6
6.2 Verification
MD5 (sendmail.507.tar) = 807f1fa8d15a3361a589119bfca18533
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 the sendmail.507.tar file to the /tmp directory
2) Extract the files from the tar archive:
cd /tmp; tar xvf sendmail.507.tar
3) Run the custom command, specify an install from media
images, and specify the /tmp directory as the location of
the images.
7. References
Specific references for this advisory:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1337http://www.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=21950http://www.cert.org/advisories/CA-2003-07.htmlhttp://www.kb.cert.org/vuls/id/398025http://www.sendmail.org/8.12.8.html
SCO security resources:
http://www.sco.com/support/security/index.html
This security fix closes SCO incidents sr875284, fz527484,
erg712247.
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.
9. Acknowledgements
Internet Security Systems, Inc. discovered and researched
this vulnerability.
______________________________________________________________________________
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