Date: 19 Jan 2002 01:54:14 -0000
From: Mandrake Linux Security Team <[email protected]>
To: [email protected]Subject: MDKSA-2002:007 - at update
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________________________________________________________________________
Mandrake Linux Security Update Advisory
________________________________________________________________________
Package name: at
Advisory ID: MDKSA-2002:007
Date: January 18th, 2002
Affected versions: 8.1
________________________________________________________________________
Problem Description:
zen-parse discovered a problem in the at command containing an extra
call to free() which can lead to a segfault with a carefully crafted,
but incorrect, format. This is caused due to a heap corruption that
can be exploited under certain circumstances because the at command is
installed setuid root. Thanks to SuSE for an additional security
improvement that ads the O_EXCL (exclusive) option to the open(2)
system call inside the at code.
________________________________________________________________________
References:
________________________________________________________________________
Updated Packages:
Mandrake Linux 8.1:
066814fda6dfc8f74721861a90c1d167 8.1/RPMS/at-3.1.8-4.1mdk.i586.rpm
8205596ce7b87d8dca57a6d9285dd1d1 8.1/SRPMS/at-3.1.8-4.1mdk.src.rpm
Mandrake Linux 8.1/ia64:
bc46bc259124e1de45063503d8be2940 ia64/8.1/RPMS/at-3.1.8-4.1mdk.ia64.rpm
8205596ce7b87d8dca57a6d9285dd1d1 ia64/8.1/SRPMS/at-3.1.8-4.1mdk.src.rpm
________________________________________________________________________
Bug IDs fixed (see https://qa.mandrakesoft.com for more information):
________________________________________________________________________
To upgrade automatically, use MandrakeUpdate. The verification of md5
checksums and GPG signatures is performed automatically for you.
If you want to upgrade manually, download the updated package from one
of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm". A list of
FTP mirrors can be obtained from:
http://www.mandrakesecure.net/en/ftp.php
Please verify the update prior to upgrading to ensure the integrity of
the downloaded package. You can do this with the command:
rpm --checksig <filename>
All packages are signed by MandrakeSoft for security. You can obtain
the GPG public key of the Mandrake Linux Security Team from:
https://www.mandrakesecure.net/RPM-GPG-KEYS
Please be aware that sometimes it takes the mirrors a few hours to
update.
You can view other update advisories for Mandrake Linux at:
http://www.mandrakesecure.net/en/advisories/
MandrakeSoft has several security-related mailing list services that
anyone can subscribe to. Information on these lists can be obtained by
visiting:
http://www.mandrakesecure.net/en/mlist.php
If you want to report vulnerabilities, please contact
[email protected]
________________________________________________________________________
Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Linux Mandrake Security Team
<[email protected]>
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