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Caldera International, Inc. Security Advisory
Subject: format bug in gnupg
Advisory number: CSSA-2001-020.0
Issue date: 2001 June, 08
Cross reference:
______________________________________________________________________________
1. Problem Description
There is a format string problem in the printing of filenames of
GnuPG. It is possible that a remote attacker creates a mailmessage
that when opened with a mailprogram exploits the problem and
allows the attacker to gain access to the users account.
2. Vulnerable Versions
System Package
-----------------------------------------------------------
OpenLinux 2.3 All packages previous to
gnupg-1.0.6-1
OpenLinux eServer 2.3.1 All packages previous to
and OpenLinux eBuilder gnupg-1.0.6-1
OpenLinux eDesktop 2.4 All packages previous to
gnupg-1.0.6-1
3. Solution
Workaround
none
The proper solution is to upgrade to the latest packages.
4. OpenLinux 2.3
4.1 Location of Fixed Packages
The upgrade packages can be found on Caldera's FTP site at:
ftp://ftp.caldera.com/pub/updates/OpenLinux/2.3/current/RPMS/
The corresponding source code package can be found at:
ftp://ftp.caldera.com/pub/updates/OpenLinux/2.3/current/SRPMS
4.2 Verification
c34cd4d1c2de4caebdb52b6057752127 RPMS/gnupg-1.0.6-1.i386.rpm
46b5360e1f2ea45681b95a6c3b1bb34f SRPMS/gnupg-1.0.6-1.src.rpm
4.3 Installing Fixed Packages
Upgrade the affected packages with the following commands:
rpm -Fhv gnu*.i386.rpm
5. OpenLinux eServer 2.3.1 and OpenLinux eBuilder for ECential 3.0
5.1 Location of Fixed Packages
The upgrade packages can be found on Caldera's FTP site at:
ftp://ftp.caldera.com/pub/updates/eServer/2.3/current/RPMS/
The corresponding source code package can be found at:
ftp://ftp.caldera.com/pub/updates/eServer/2.3/current/SRPMS
5.2 Verification
d8c6d2f3ca54e5e677b8bec6b5089687 RPMS/gnupg-1.0.6-1.i386.rpm
46b5360e1f2ea45681b95a6c3b1bb34f SRPMS/gnupg-1.0.6-1.src.rpm
5.3 Installing Fixed Packages
Upgrade the affected packages with the following commands:
rpm -Fvh gnu*i386.rpm
6. OpenLinux eDesktop 2.4
6.1 Location of Fixed Packages
The upgrade packages can be found on Caldera's FTP site at:
ftp://ftp.caldera.com/pub/updates/eDesktop/2.4/current/RPMS/
The corresponding source code package can be found at:
ftp://ftp.caldera.com/pub/updates/eDesktop/2.4/current/SRPMS
6.2 Verification
f4931404eab64b6365b4abba69a42ef4 RPMS/gnupg-1.0.6-1.i386.rpm
46b5360e1f2ea45681b95a6c3b1bb34f SRPMS/gnupg-1.0.6-1.src.rpm
6.3 Installing Fixed Packages
Upgrade the affected packages with the following commands:
rpm -Fvh gnu*i386.rpm
7. 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 10044.
8. 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.
9. Acknowledgements:
Caldera International wishes to thank Synnergy Networks for
reporting the problem and the GnuPG folks for providing a fixed
version.
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This archive was generated by hypermail 2b30 : Fri Jun 08 2001 - 15:49:40 PDT