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Red Hat Linux 7.1-8.0: RHSA-2003:035-10 Critical: PAM_xauth Info Leak

red hat
Calendar Grey February 13, 2003
Dist Redhat Esm H88
Recent enhancements to the PAM modules for Red Hat have addressed a significant vulnerability in pam_secure, which was endangering the integrity of user authentication processes.
Andreas Beck discovered that versions of pam_xauth supplied with Red Hat Linux since version 7.1 would forward authorization information from the root account to unprivileged users...

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

To update all RPMs for your particular architecture, run:

rpm -Fvh [filenames]

where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs.

Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

5. RPMs required:

Red Hat Linux 7.1:

SRPMS:


i386:



Red Hat Linux 7.2:

SRPMS:


i386:



ia64:



Red Hat Linux 7.3:

SRPMS:


i386:



Red Hat Linux 8.0:

SRPMS:


i386:





6. Verification:

MD5 sum Package Name 4a869dd0efd82fb9f098cc4284263aeb 7.1/en/os/SRPMS/pam-0.75-46.7.1.src.rpm 2ee6c4e7c9c59efdf3e31c8d9482a30a 7.1/en/os/i386/pam-0.75-46.7.1.i386.rpm 0d8f6cb6d0f293cb174f3e376c21eb1d 7.1/en/os/i386/pam-devel-0.75-46.7.1.i386.rpm fcbe7194fc12466d4532b213373c3ce6 7.2/en/os/SRPMS/pam-0.75-46.7.2.src.rpm 7d16c011e4f74e8e02bb8c193506186d 7.2/en/os/i386/pam-0.75-46.7.2.i386.rpm 0919b62d8d7531883d6e01f5ff3a51b6 7.2/en/os/i386/pam-devel-0.75-46.7.2.i386.rpm e653e3ff25eb958570b411d201b5106e 7.2/en/os/ia64/pam-0.75-46.7.2.ia64.rpm 8f4d0dc64cdbded20c46a38460e6affe 7.2/en/os/ia64/pam-devel-0.75-46.7.2.ia64.rpm 99751631043fbe42f98f8598e74e6d4b 7.3/en/os/SRPMS/pam-0.75-46.7.3.src.rpm 8ea6d868c28c22d629d2059f1ad72f1b 7.3/en/os/i386/pam-0.75-46.7.3.i386.rpm 9fef754632838504c0590ba30203a925 7.3/en/os/i386/pam-devel-0.75-46.7.3.i386.rpm 1b74821ca4fd0b7a9919c3b0fdf3dbb3 8.0/en/os/SRPMS/pam-0.75-46.8.0.src.rpm 25ebcb39f56c98cc064c34b2d048ed35 8.0/en/os/i386/pam-0.75-46.8.0.i386.rpm f6412156d54a4021a3200eb7d7ff79c0 8.0/en/os/i386/pam-devel-0.75-46.8.0.i386.rpm


These packages are GPG signed by Red Hat, Inc. for security. Our key is available at About

You can verify each package with the following command:

rpm --checksig -v

If you only wish to verify that each package has not been corrupted or tampered with, examine only the md5sum with the following command:

md5sum


Summary

References

Package List


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2003:035-10
Issue date: 2003-02-07
Updated on: 2003-02-12
Product: Red Hat Linux
Keywords: pam_xauth root cookies
Cross references: RHSA-2003:028
Obsoletes:

Topic

Relevant Releases Architectures

Red Hat Linux 7.1 - i386

Red Hat Linux 7.2 - i386, ia64

Red Hat Linux 7.3 - i386

Red Hat Linux 8.0 - i386

Bugs Fixed

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