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                   Red Hat, Inc. Security Advisory

Synopsis:          ghostscript uses mktemp instead of mkstemp, and uses an
improper LD_RUN_PATH
Advisory ID:       RHSA-2000:114-03
Issue date:        2000-11-22
Updated on:        2000-11-22
Product:           Red Hat Linux
Keywords:          ghostscript mktemp LD_RUN_PATH
Cross references:  N/A
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1. Topic:

ghostscript makes use of mktemp instead of mkstemp to create temp files;
and also uses improper LD_RUN_PATH values, causing it to search for
libraries in the current directory.

2. 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 7.0 - i386

3. Problem description:

ghostscript makes use of mktemp to create temp files, which is an insecure
and predictable apporoach, it is now patched to use mkstemp, which avoid
the race condition on the name.

It also uses improper LD_RUN_PATH values, causing ghostscript to search for
libraries to load in current directorys.

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  ( for more info):

20924 - gs reads libraries from current directory

6. RPMs required:

Red Hat Linux 5.2:

alpha: 

sparc: 

i386: 

sources: 

Red Hat Linux 6.2:

alpha: 
 

sparc: 
 

i386: 
 

sources: 
 

Red Hat Linux 7.0:

i386: 

sources: 

7. Verification:

MD5 sum                           Package Name
--------------------------------------------------------------------------
d44d8436655d25ca53d0c4a87c5c7c77  5.2/SRPMS/ghostscript-4.03-2.src.rpm
1c8363a912a6f538312b3e457664d0eb  5.2/alpha/ghostscript-4.03-2.alpha.rpm
e11e7ec51f8e6051e50c5a93738f49ed  5.2/i386/ghostscript-4.03-2.i386.rpm
d3550b9fa695207b1405ce12a848eae2  5.2/sparc/ghostscript-4.03-2.sparc.rpm
e8c166031f02c9659f41a7e83ff4c97e  6.2/SRPMS/ghostscript-5.50-8_6.x.src.rpm
2e2944851c391f4ef50394d6b0c4a76a  6.2/alpha/ghostscript-5.50-8_6.x.alpha.rpm
9a4b61ddea7d18722198b772d6164619  6.2/i386/ghostscript-5.50-8_6.x.i386.rpm
fba7b417faaf19629642325ec6f34b84  6.2/sparc/ghostscript-5.50-8_6.x.sparc.rpm
6ad7beeb79d23f32ad320a659f5591d6  7.0/SRPMS/ghostscript-5.50-8.src.rpm
0d5f4448d5245721b1e2762f360791f2  7.0/i386/ghostscript-5.50-8.i386.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 

8. References:

N/A


Copyright(c) 2000 Red Hat, Inc.