ISC DHCP 4.1-ESV-R6 is now available
sar at isc.org
Tue Jul 24 18:11:21 UTC 2012
ISC DHCP 4.1-ESV-R6 is now available for download.
This is a production release of 4.1-ESV-R6, a maintenance release
that includes several security patches as well as some bug fixes.
The security advisories can be found at:
A list of the changes in this release has been appended to the end
of this message. For a complete list of changes from any previous
release, please consult the RELNOTES file within the source
distribution, or on our website:
This release, and its OpenPGP-signatures are available now from:
ISC's Release Signing Key can be obtained at:
Changes since 4.1-ESV-R5
- Correct code to calculate timing values in client to compare
rebind value to infinity instead of renew value.
Thanks to Chenda Huang from H3C Technologies Co., Limited
for reporting this issue.
- Fix some issues in the code for parsing and printing options.
[ISC-Bugs #22625] - properly print options that have several fields
followed by an array of something for example "fIa"
[ISC-Bugs #27289] - properly parse options in declarations that have
several fields followed by an array of something for example "fIa"
[ISC-Bugs #27296] - properly determine if we parsed a 16 or 32 bit
value in evaluate_numeric_expression (extract-int).
[ISC-Bugs #27314] - properly parse a zero length option from
a lease file. Thanks to Marius Tomaschewski from SUSE for the report
and prototype patch for this ticket as well as ticket 27289.
! Previously the server code was relaxed to allow packets with zero
length client ids to be processed. Under some situations use of
zero length client ids can cause the server to go into an infinite
loop. As such ids are not valid according to RFC 2132 section 9.14
the server no longer accepts them. Client ids with a length of 1
are also invalid but the server still accepts them in order to
minimize disruption. The restriction will likely be tightened in
the future to disallow ids with a length of 1.
Thanks to Markus Hietava of Codenomicon CROSS project for the
finding this issue and CERT-FI for vulnerability coordination.
! A pair of memory leaks were found and fixed. Thanks to
Glen Eustace of Massey University, New Zealand for finding
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