Caldera libdb1 Database Library Buffer Overflow May Yield Access to Remote Users and May Let Local Users Gain Root Access
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SecurityTracker Alert ID: 1002678 |
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SecurityTracker URL: http://securitytracker.com/id/1002678
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CVE Reference:
GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Nov 1 2001
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Impact:
Execution of arbitrary code via local system, Execution of arbitrary code via network, Root access via local system, User access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): All packages previous to db-2.7.7-12
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Description:
Caldera reported a vulnerability in the libdb1 package included in OpenLinux 3.1. Remote users may be able to gain access to the server and local users may be able to gain root level access on the system.
It is reported that, due to a configuration error in the libdb1 package included with OpenLinux 3.1, some components of the library user unsafe versions of the snprintf and vsnprintf functions that apparently contain buffer overflows. As a result, remote users may gain access to the system and local users may gain root access.
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Impact:
Remote users may gain access to the system and local users may gain root access.
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Solution:
The vendor has released fixed packages.
For OpenLinux 3.1 Server:
ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/current/RPMS
ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/current/SRPMS
The verification checksums are:
b65dffa8ceae770641db9f524e99653d RPMS/db-2.7.7-12.i386.rpm
cee85e0f7bb70366af0e25054feac4ad SRPMS/db-2.7.7-12.src.rpm
To upgrade the affected packages, use 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
For OpenLinux 3.1 Workstation:
ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Workstation/current/RPMS
ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Workstation/current/SRPMS
The verification checksums are:
b65dffa8ceae770641db9f524e99653d RPMS/db-2.7.7-12.i386.rpm
cee85e0f7bb70366af0e25054feac4ad SRPMS/db-2.7.7-12.src.rpm
To upgrade the affected packages, use 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
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Vendor URL: www.caldera.com/support/security/index.html (Links to External Site)
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Cause:
Boundary error
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Underlying OS:
Linux (Caldera/SCO)
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Message History:
None.
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Source Message Contents
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Date: Thu, 1 Nov 2001 08:40:49 -0700
Subject: Security Update: [CSSA-2001-037.0] Linux - libdb buffer overflow problem
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
______________________________________________________________________________
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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