Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2006.0001 -- [SCO]
New BIND patches fix remote denial of service vulnerability
4 January 2006
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AusCERT Security Bulletin Summary
---------------------------------
Product: BIND 8.4.4
Publisher: SCO
Operating System: UNIX variants (UNIX, Linux, OSX)
Linux variants
Impact: Denial of Service
Access: Remote/Unauthenticated
CVE Names: CVE-2005-0033
Ref: ESB-2005.0077
Original Bulletin:
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.1/SCOSA-2006.1.txt
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______________________________________________________________________________
SCO Security Advisory
Subject: OpenServer 5.0.6 OpenServer 5.0.7 OpenServer 6.0.0 : BIND Denial of Service Vulnerability
Advisory number: SCOSA-2006.1
Issue date: 2006 January 03
Cross reference: sr892955 fz531004 erg712788
CVE-2005-0033 VU#327633
______________________________________________________________________________
1. Problem Description
BIND (the Berkeley Internet Name Daemon) is the Domain Name
Service for Unix systems. BIND version 8.4.4 is vulnerable to a
remote denial of service attack, caused by a buffer overflow in
the in q_usedns array.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2005-0033 to this issue.
2. Vulnerable Supported Versions
System Binaries
----------------------------------------------------------------------
OpenServer 5.0.6 bind distribution
OpenServer 5.0.7 bind distribution
OpenServer 6.0.0 bind distribution
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-2006.1
4.2 Verification
MD5 (p531004.507_vol.tar) = 708a75f3307ffbeaf9b8d9aba3cef7df
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 p531004.507_vol.tar file to a directory.
2) Extract VOL* files.
# tar xvf p531004.507_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-2006.1
5.2 Verification
MD5 (p531004.507_vol.tar) = 708a75f3307ffbeaf9b8d9aba3cef7df
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 p531004.507_vol.tar file to a directory.
2) Extract VOL* files.
# tar xvf p531004.507_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-2006.1
6.2 Verification
MD5 (p531004.600_vol.tar) = d15f8ccbceb67cce746c4a67189145d9
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 p531004.600_vol.tar file to a directory.
2) Extract VOL* files.
# tar xvf p531004.600_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-2005-0033
http://www.kb.cert.org/vuls/id/VU#327633
http://www.uniras.gov.uk/niscc/docs/al-20050125-00059.html?lang=en
http://xforce.iss.net/xforce/xfdb/19063
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 sr892955 fz531004
erg712788.
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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The University of Queensland
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Qld 4072
Internet Email: auscert@auscert.org.au
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