TurboLinux Security Announcement: pam-0.70-2 and earlier (UPDATED -- includes 0.72-4)

Aug 11, 2000, 22:06 (0 Talkback[s])
(Other stories by Joe Little)

Date: Fri, 11 Aug 2000 13:11:19 -0700 (PDT)
From: Joe Little jlittle@turbolinux.com
To: tl-security-announce@turbolinux.com
Subject: [TL-Security-Announce] PAM TLSA2000009-2

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                        TurboLinux Security Announcement


        Package: pam-0.70-2 and earlier (UPDATED -- includes 0.72-4)
        Date:  Fri Aug 10 15:00 PDT 2000


        Affected TurboLinux versions: 6.0.5 and earlier
        Vulnerability Type: Denial of Service possible (updated)
        TurboLinux Advisory ID#:  TLSA2000009-2
        BugTraq ID#: 913
        Credits:  This vulnerability was posted to Bugtraq in a L0pht
        security advisory written by Dildog on January 4, 2000.

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A security hole was discovered in the packages mentioned above. Please update the packages in your installation as soon as possible or disable the service.

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1. Problem Summary

This is an update to TurboLinux Security Advisory TLSA2000009-1. Our pam package (0.70 up to and including 0.72-4) incorrectly lacked one configuration file (/etc/pam.d/other).

2. Impact

A denial of service attack can be made against the PAM auth system.

3. Solution

Update the packages from our ftp server by running the following command:

rpm -Fvh ftp_path_to_filename

Where ftp_path_to_filename is the following:

ftp://ftp.turbolinux.com/pub/updates/6.0/security/pam-0.72-5.i386.rpm

The source rpm can be downloaded here:

ftp://ftp.turbolinux.com/pub/updates/6.0/SRPMS/pam-0.72-5.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 checksum of the update before you install:

  MD5 sum                               Package Name

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71372020a4dadeed1ad28d9b46df35da pam-0.72-5.i386.rpm
dd700e6dff00ca5861b01758838166a8 pam-0.72-5.src.rpm

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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.

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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:

rt-security@turbolinux.com

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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

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