Date: Thu, 22 Feb 2001 14:09:35 -0800
From: [email protected]
To: [email protected]Subject: [TL-Security-Announce] Sendmail-8.11.2-5 TLSA2001003-1
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___________________________________________________________________________
TurboLinux Security Announcement
Vulnerable Packages: All versions previous to 8.11.2-5
Date: 02/21/2001 5:00 PDT
Affected TurboLinux versions:TL 6.1 WorkStation,
All TurboLinux versions
6.0.5 and earlier
TurboLinux Advisory ID#: TLSA2001003-1
Credits: Vulnerability discovered by Michal Zalewski
of the Internet for Schools project(IdS).
___________________________________________________________________________
A security hole was discovered in the package mentioned above.
Please update the package in your installation as soon as possible.
___________________________________________________________________________
1. Problem Summary
Sendmail, launched with the -bt command-line switch, enters its special
"address test" mode. Under these conditions, it is vulnerable to a
segmentation fault which can occur when trying to set a class in ad-
dress test mode due to a negative array index.
2. Impact
A user can gain root privileges.
3. Solution
Update the package from our ftp server by running the following command:
rpm -Uvh ftp_path_to_filename
Where ftp_path_to_filename is the following:
ftp://ftp.turbolinux.com/pub/updates/6.0/security/sendmail-8.11.2-5.i386.rpm
The source RPM can be downloaded here:
ftp://ftp.turbolinux.com/pub/updates/6.0/SRPMS/sendmail-8.11.2-5.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
---------------------------------------------------------------------------
38eee0653839595aedad386cc8d2346f sendmail-8.11.2-5.i386.rpm
cfe857414b7e3cdbf658a898bd592b71 sendmail-8.11.2-5.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
**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
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:
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