Date: Tue, 30 Jan 2001 11:58:34 -0800
From: [email protected]
To: [email protected]Subject: [TL-Security-Announce] LPRng-3.6.26-1 TLSA2001001-1
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___________________________________________________________________________
TurboLinux Security Announcement
Package: All packages prior to LPRng-3.6.26
Date: Tuesday, 01-30-2001 5:00 PDT
Affected TurboLinux versions: All versions of TurboLinux
6.0.5 and earlier=20
TurboLinux Advisory ID#: TLSA2001001-1
Credits: Reported to BugTraq by Chris Evans
___________________________________________________________________________
A security hole was discovered in the package mentioned above.
Please update the package in your installation as soon as possible.
___________________________________________________________________________
1. Problem Summary(From the FreeBSD, Inc. Advisory)=20
The LPRng port, versions prior to 3.6.26, contains a potential vulnera-
bility which may allow root compromise from both local and remote system=
s.
The vulnerability is due to incorrect usage of the syslog(3) function.
Local and remote users can send string-formatting operators to the print-
er daemon to corrupt the daemon's execution, potentially gaining root
access.
2. Impact(From the FreeBSD, Inc. Advisory)
Local and remote users may potentially gain root privileges on systems
using LPRng.
If you have not chosen to install the LPRng port/package, then your
system is not vulnerable to this problem.
3. Solution
Update the package from our ftp server by running the following command:
rpm -Uvh --nodeps --force ftp_path_to_filename
Where ftp_path_to_filename is the following:
ftp://ftp.turbolinux.com/pub/updates/6.0/security/LPRng-3.6.26-1.i386.rpm
The source RPM can be downloaded here:
ftp://ftp.turbolinux.com/pub/updates/6.0/SRPMS/LPRng-3.6.26-1.src.rpm
**Note: You must rebuild and install the RPM if you choose to download
and install the SRPM. Simply installing the SRPM alone WILL NOT CLOSE
THE SECURITY HOLE.
Please verify the MD5 checksums of the updates before you install:
MD5 sum Package Name
---------------------------------------------------------------------------
9f37a98597a9a8928e5ce18cbf8061da LPRng-3.6.26-1.i386.rpm
ce658c13b5714c14acb88f9b1f26106e LPRng-3.6.26-1.src.rpm
___________________________________________________________________________
These packages are GPG signed by TurboLinux for security. Our key
is available here:
http://www.turbolinux.com/security/tlgpgkey.asc
To verify a package, use the following command:
rpm --checksig name_of_rpm
To examine only the md5sum, use the following command:
rpm --checksig --nogpg name_of_rpm=20
**Note: Checking GPG keys requires RPM 3.0 or higher.
___________________________________________________________________________
You can find more updates on our ftp server:
ftp://ftp.turbolinux.com/pub/updates/6.0/security/ for TL6.0 Workstation
and Server security updates
ftp://ftp.turbolinux.com/pub/updates/4.0/security/ for TL4.0 Workstation
and Server security updates
Our webpage for security announcements:
http://www.turbolinux.com/security
If you want to report vulnerabilities, please contact:
[email protected]
___________________________________________________________________________
Subscribe to the TurboLinux Security Mailing lists:
TL-security - A moderated list for discussing security issues
in TurboLinux products.
Subscribe at http://www.turbolinux.com/mailman/listinfo/tl-security
TL-security-announce - An announce-only mailing list for security updates
and alerts.
Subscribe at:
http://www.turbolinux.com/mailman/listinfo/tl-security-announce
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