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SOT Linux Security Advisory

Subject: Updated grep package for SOT Linux 2003
Advisory ID: SLSA-2004:12
Date: Wednesday, April 7, 2004
Product: SOT Linux 2003

1. Problem description

The grep program is a utility for searching through text files.

A deficiency has been identified in grep's search algorithm. The algorithm was found to be extremely inefficient when searching UTF-8 encoded text. The source of the inefficiency has been identified and fixed.

UTF-8 is a text encoding method for multibyte representations of characters.

All users are advised to upgrade to these erratum packages, which resolve this issue.

2. Updated packages

SOT Linux 2003 Desktop:

i386:
ftp://ftp.sot.com/updates/2003/Desktop/i386/grep-2.5.1-1.i386.rpm

SRPMS:
ftp://ftp.sot.com/updates/2003/Desktop/SRPMS/grep-2.5.1-1.src.rpm

SOT Linux 2003 Server:

i386:
ftp://ftp.sot.com/updates/2003/Server/i386/grep-2.5.1-1.i386.rpm

SRPMS:
ftp://ftp.sot.com/updates/2003/Server/SRPMS/grep-2.5.1-1.src.rpm

3. Upgrading package

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

Use up2date to automatically upgrade the fixed packages.

If you want to upgrade manually, download the updated package from the SOT Linux FTP site (use the links above) or from one of our mirrors. The list of mirrors can be obtained at www.sot.com/en/linux

Update the package with the following command: rpm -Uvh <filename>

4. Verification

All packages are PGP signed by SOT for security.

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

If you wish to verify the integrity of the downloaded package, run "md5sum <filename>" and compare the output with data given below.

Package Name MD5 sum

/Desktop/i386/grep-2.5.1-1.i386.rpm 3f7a08404fec79f4ca187e8eb8b64b4e
/Desktop/SRPMS/grep-2.5.1-1.src.rpm 8f4f23e788a738b3e10a75dbb5f8eaed
/Server/i386/grep-2.5.1-1.i386.rpm 3f7a08404fec79f4ca187e8eb8b64b4e
/Server/SRPMS/grep-2.5.1-1.src.rpm 8f4f23e788a738b3e10a75dbb5f8eaed

5. References

http://www.gnu.org/software/grep/grep.html

Copyright(c) 2001-2003 SOT