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Redhat: 'dump' update Print E-mail
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Posted by LinuxSecurity.com Team   
RedHat Linux The Red Hat 7.0 dump is being released for Red Hat 6.x and Red Hat 5.x in order to remove root setuid bits to prevent a known dump exploit.

---------------------------------------------------------------------
                   Red Hat, Inc. Security Advisory

Synopsis:          Setuid bits are removed on dump to prevent exploit
Advisory ID:       RHSA-2000:100-02
Issue date:        2000-11-01
Updated on:        2000-11-02
Product:           Red Hat Linux
Keywords:          setuid dump root exploit
Cross references:  N/A
---------------------------------------------------------------------

1. Topic:

The Red Hat 7.0 dump is being released for Red Hat 6.x and Red Hat 5.x
in order to remove root setuid bits to prevent a known dump
exploit (#20111).

The new dump packages also include a fix for a buffer overflow (#9899)

2. Relevant releases/architectures:

Red Hat Linux 5.2 - i386, alpha, sparc
Red Hat Linux 6.2 - i386, alpha, sparc
Red Hat Linux 6.2EE - i386, alpha, sparc

3. Problem description:

Dump can be used to gain root access.

4. Solution:

For each RPM for your particular architecture, run:

rpm -Fvh [filename]

where filename is the name of the RPM.

5. Bug IDs fixed  (http://bugzilla.Red Hat.com/bugzilla for more info):

9899 - Linux dump buffer overflow
20111 - RH6.2 dump SUID exploit (via RSH env. var)


6. RPMs required:

Red Hat Linux 5.2:

alpha: 
ftp://updates.Red Hat.com/5.2/alpha/dump-0.4b19-5.5x.alpha.rpm 
ftp://updates.Red Hat.com/5.2/alpha/dump-static-0.4b19-5.5x.alpha.rpm 
ftp://updates.Red Hat.com/5.2/alpha/rmt-0.4b19-5.5x.alpha.rpm

sparc: 
ftp://updates.Red Hat.com/5.2/sparc/dump-0.4b19-5.5x.sparc.rpm 
ftp://updates.Red Hat.com/5.2/sparc/dump-static-0.4b19-5.5x.sparc.rpm 
ftp://updates.Red Hat.com/5.2/sparc/rmt-0.4b19-5.5x.sparc.rpm

i386: 
ftp://updates.Red Hat.com/5.2/i386/dump-0.4b19-5.5x.i386.rpm 
ftp://updates.Red Hat.com/5.2/i386/dump-static-0.4b19-5.5x.i386.rpm 
ftp://updates.Red Hat.com/5.2/i386/rmt-0.4b19-5.5x.i386.rpm

sources: 
ftp://updates.Red Hat.com/5.2/SRPMS/dump-0.4b19-5.5x.src.rpm

Red Hat Linux 6.2:

alpha: 
ftp://updates.Red Hat.com/6.2/alpha/dump-0.4b19-5.6x.alpha.rpm 
ftp://updates.Red Hat.com/6.2/alpha/dump-static-0.4b19-5.6x.alpha.rpm 
ftp://updates.Red Hat.com/6.2/alpha/rmt-0.4b19-5.6x.alpha.rpm

sparc: 
ftp://updates.Red Hat.com/6.2/sparc/dump-0.4b19-5.6x.sparc.rpm 
ftp://updates.Red Hat.com/6.2/sparc/dump-static-0.4b19-5.6x.sparc.rpm 
ftp://updates.Red Hat.com/6.2/sparc/rmt-0.4b19-5.6x.sparc.rpm

i386: 
ftp://updates.Red Hat.com/6.2/i386/dump-0.4b19-5.6x.i386.rpm 
ftp://updates.Red Hat.com/6.2/i386/dump-static-0.4b19-5.6x.i386.rpm 
ftp://updates.Red Hat.com/6.2/i386/rmt-0.4b19-5.6x.i386.rpm

sources: 
ftp://updates.Red Hat.com/6.2/SRPMS/dump-0.4b19-5.6x.src.rpm

7. Verification:

MD5 sum                           Package Name
--------------------------------------------------------------------------
710a477813de5924b5aaca8ded33c3b2  5.2/SRPMS/dump-0.4b19-5.5x.src.rpm
496fcf5455218b085ee987c5148cb218  5.2/alpha/dump-0.4b19-5.5x.alpha.rpm
c8bec9ba7d4e8eb4bed2de555c6261a8  5.2/alpha/dump-static-0.4b19-5.5x.alpha.rpm
17b1956371260c4c7c86aa7e7098b70a  5.2/alpha/rmt-0.4b19-5.5x.alpha.rpm
3d7179c1541163652d42a0f3eba402c2  5.2/i386/dump-0.4b19-5.5x.i386.rpm
6ab9db49bf706b7228d952d7dffafd6a  5.2/i386/dump-static-0.4b19-5.5x.i386.rpm
3ca02060c0d8c5b2bfab68c9154ca65e  5.2/i386/rmt-0.4b19-5.5x.i386.rpm
80d7226a19922ddbb921c7cc619d68df  5.2/sparc/dump-0.4b19-5.5x.sparc.rpm
aedd02e6ebfc7703713ec34930b5cfd5  5.2/sparc/dump-static-0.4b19-5.5x.sparc.rpm
aaeaf1e04013e62e311f5fb7ccf4b6df  5.2/sparc/rmt-0.4b19-5.5x.sparc.rpm
48225b01757f79eecd50e20cc3746017  6.2/SRPMS/dump-0.4b19-5.6x.src.rpm
339d7bdc63a154a08ac05b2d59be299f  6.2/alpha/dump-0.4b19-5.6x.alpha.rpm
aa4eb8d7e446cdbaf10cec1d6beb2ea8  6.2/alpha/dump-static-0.4b19-5.6x.alpha.rpm
d70e961e5ce712df4b671fe7fa53cf0f  6.2/alpha/rmt-0.4b19-5.6x.alpha.rpm
62d35595f6b11c7a478d2f3608ebb8b3  6.2/i386/dump-0.4b19-5.6x.i386.rpm
86a7cd33b8c870f01a4fe3fc500a6af1  6.2/i386/dump-static-0.4b19-5.6x.i386.rpm
6f1831d60345791448f94f7e8276a47e  6.2/i386/rmt-0.4b19-5.6x.i386.rpm
f907fe91725a340c07f44d381eb4da70  6.2/sparc/dump-0.4b19-5.6x.sparc.rpm
daaf188d21fdfe8141f4e0dcfc8fa51e  6.2/sparc/dump-static-0.4b19-5.6x.sparc.rpm
930c7a447f5c197a73e619789a8ae18a  6.2/sparc/rmt-0.4b19-5.6x.sparc.rpm

These packages are GPG signed by Red Hat, Inc. for security.  Our key
is available at:
     http://www.Red Hat.com/corp/contact.html

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 

8. References:

N/A


Copyright(c) 2000 Red Hat, Inc.


 
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