MDKSA-2003:005 - Updated leafnode packages fix remote DoS vulnerability
by Nikola Strahija on January 15th, 2003 A vulnerability was discovered by Jan Knutar in leafnode that Mark Brown pointed out could be used in a Denial of Service attack. This vulnerability causes leafnode to go into an infinite loop with 100% CPU use when an article that has been crossposed to several groups, one of which is the prefix of another, is requested by it's Message-ID.
Package name: leafnode
Advisory ID: MDKSA-2003:005
Date: January 14th, 2003
Affected versions: 8.2, 9.0
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Problem Description:
A vulnerability was discovered by Jan Knutar in leafnode that
Mark Brown pointed out could be used in a Denial of Service
attack. This vulnerability causes leafnode to go into an
infinite loop with 100% CPU use when an article that has been
crossposed to several groups, one of which is the prefix of
another, is requested by it's Message-ID.
This vulnerability was introduced in 1.9.20 and fixed upstream
in version 1.9.30. Only Mandrake Linux 9.0 is affected by this,
but version 1.9.19 (which shipped with Mandrake Linux 8.2) is
receiving an update due to critical bugs in it that can corrupt
parts of its news spool under certain circumstances.
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References:
http://marc.theaimsgroup.com/?l=bugtraq&m=104127108823436&w=2
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Updated Packages:
Mandrake Linux 8.2:
a9c3f6f4198c88e71f7c78281d6ead7b 8.2/RPMS/leafnode-1.9.31-1.1mdk.i586.rpm
25f0be374ababf45db444a9b64ab1a98 8.2/SRPMS/leafnode-1.9.31-1.1mdk.src.rpm
Mandrake Linux 8.2/PPC:
c39ab8855cbb4d0727c796242edda60c ppc/8.2/RPMS/leafnode-1.9.31-1.1mdk.ppc.rpm
25f0be374ababf45db444a9b64ab1a98 ppc/8.2/SRPMS/leafnode-1.9.31-1.1mdk.src.rpm
Mandrake Linux 9.0:
4749ee927caa55f15adddadd473a3d12 9.0/RPMS/leafnode-1.9.31-1.1mdk.i586.rpm
25f0be374ababf45db444a9b64ab1a98 9.0/SRPMS/leafnode-1.9.31-1.1mdk.src.rpm
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Bug IDs fixed (see https://qa.mandrakesoft.com for more information):
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