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CentOS 7.x, 8.x RHSA-2001:034-08 Severe: nfsd Local Escalation

red hat
Calendar Grey October 23, 2000
Dist Redhat Esm H88
Red Hat Linux warns of a critical ypbind local root exploit, advising immediate upgrades to prevent access risks.
ypbind as shipped in Red Hat Linux 5.x and 6.x is vulnerable to a localroot exploit.

Solution

If you do not use NIS, you should remove ypbind:

rpm -e ypbind

Otherwise, for each RPM for your particular architecture, run:

rpm -Fvh [filename]

where filename is the name of the RPM.

You should then make sure that the new ypbind is running by issuing:

/etc/rc.d/init.d/ypbind restart

5. Bug IDs fixed ( for more info):

N/A

6. RPMs required:

Red Hat Linux 5.x:

alpha:

sparc:

i386:

sources:

Red Hat Linux 6.x:

alpha:

sparc:

i386:

sources:

7. Verification:

MD5 sum Package Name 507ff0e63468e829b2c917789ba2fedd 5.2/SRPMS/ypbind-3.3-10.src.rpm 127274f9828d27f895e8d8eee8d38db6 5.2/alpha/ypbind-3.3-10.alpha.rpm 7bbf68a42a3c996c6f69b5ffaf2911f7 5.2/i386/ypbind-3.3-10.i386.rpm 3d0cd8b8700182b9b815525e1f99c82d 5.2/sparc/ypbind-3.3-10.sparc.rpm d8caa439a1b6c7b26f843bacd01c65f8 6.2/SRPMS/ypbind-1.7-0.6.x.src.rpm 3a426e3060d31aa37b2a41d973ac3f63 6.2/alpha/ypbind-1.7-0.6.x.alpha.rpm 411017238af9a0a8891bd3078547336c 6.2/i386/ypbind-1.7-0.6.x.i386.rpm 3beff51d6a0292fd9d50fe24d07097ac 6.2/sparc/ypbind-1.7-0.6.x.sparc.rpm

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

You can verify each package with the following command: rpm --checksig

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

Summary

References

N/A Copyright(c) 2000 Red Hat, Inc. `

Package List


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2000:086-05
Issue date: 2000-10-16
Updated on: 2000-10-23
Product: Red Hat Linux
Keywords: ypbind string format buffer overflow syslog
Cross references: N/A

Topic

Relevant Releases Architectures

Red Hat Linux 5.0 - i386, alpha, sparc

Red Hat Linux 5.1 - i386, alpha, sparc

Red Hat Linux 5.2 - i386, alpha, sparc

Red Hat Linux 6.0 - i386, alpha, sparc

Red Hat Linux 6.1 - i386, alpha, sparc

Red Hat Linux 6.2 - i386, alpha, sparc

Red Hat Linux 6.2EE - i386, alpha, sparc

Bugs Fixed

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