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Caldera International, Inc. Security Advisory
Subject: Linux - libdb buffer overflow problem
Advisory number: CSSA-2001-037.0
Issue date: 2001, October 30
Cross reference:
______________________________________________________________________________
1. Problem Description
Due to a configuration mistake in the libdb1 package included with
OpenLinux 3.1 some programs were using unsafe version of the snprintf
and vsnprintf functions. This might allow remote attackers to gain
access to your system or local attackers to gain root access.
2. Vulnerable Versions
System Package
-----------------------------------------------------------
OpenLinux 2.3 not vulnerable
OpenLinux eServer 2.3.1 not vulnerable
and OpenLinux eBuilder
OpenLinux eDesktop 2.4 not vulnerable
OpenLinux Server 3.1 All packages previous to
db-2.7.7-12
OpenLinux Workstation 3.1 All packages previous to
db-2.7.7-12
3. Solution
Workaround
none
The proper solution is to upgrade to the latest packages.
4. OpenLinux 2.3
not vulnerable
5. OpenLinux eServer 2.3.1 and OpenLinux eBuilder for ECential 3.0
not vulnerable
6. OpenLinux eDesktop 2.4
not vulnerable
7. OpenLinux 3.1 Server
7.1 Location of Fixed Packages
The upgrade packages can be found on Caldera's FTP site at:
ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/current/RPMS
The corresponding source code package can be found at:
ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/current/SRPMS
7.2 Verification
b65dffa8ceae770641db9f524e99653d RPMS/db-2.7.7-12.i386.rpm
cee85e0f7bb70366af0e25054feac4ad SRPMS/db-2.7.7-12.src.rpm
7.3 Installing Fixed Packages
Upgrade the affected packages with the following commands:
rpm -Fvh db-2.7.7-12.i386.rpm
to provide fixes, please restart sendmail and httpd:
/etc/rc.d/init.d/httpd restart
/etc/rc.d/init.d/mta restart
8. OpenLinux 3.1 Workstation
8.1 Location of Fixed Packages
The upgrade packages can be found on Caldera's FTP site at:
ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Workstation/current/RPMS
The corresponding source code package can be found at:
ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Workstation/current/SRPMS
8.2 Verification
b65dffa8ceae770641db9f524e99653d RPMS/db-2.7.7-12.i386.rpm
cee85e0f7bb70366af0e25054feac4ad SRPMS/db-2.7.7-12.src.rpm
8.3 Installing Fixed Packages
Upgrade the affected packages with the following commands:
rpm -Fvh db-2.7.7-12.i386.rpm
to provide fixes, please restart sendmail and httpd:
/etc/rc.d/init.d/httpd restart
/etc/rc.d/init.d/mta restart
9. References
This and other Caldera security resources are located at:
http://www.caldera.com/support/security/index.html
This security fix closes Caldera's internal Problem Report 10822.
10. Disclaimer
Caldera International, Inc. 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 Caldera OpenLinux.
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This archive was generated by hypermail 2b30 : Thu Nov 01 2001 - 10:04:19 PST