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Last-minute updates for release notes. 

Security: CVE-2017-12172, CVE-2017-15098, CVE-2017-15099
This commit is contained in:
Tom Lane 2017-11-06 12:02:30 -05:00
parent eda780281c
commit 203b965f27
1 changed files with 25 additions and 0 deletions
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doc/src/sgml/release-9.2.sgml
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@ -40,6 +40,31 @@
<itemizedlist>
<listitem>
<para>
Fix sample server-start scripts to become <literal>$PGUSER</literal>
before opening <literal>$PGLOG</literal> (Noah Misch)
</para>
<para>
Previously, the postmaster log file was opened while still running as
root. The database owner could therefore mount an attack against
another system user by making <literal>$PGLOG</literal> be a symbolic
link to some other file, which would then become corrupted by appending
log messages.
</para>
<para>
By default, these scripts are not installed anywhere. Users who have
made use of them will need to manually recopy them, or apply the same
changes to their modified versions. If the
existing <literal>$PGLOG</literal> file is root-owned, it will need to
be removed or renamed out of the way before restarting the server with
the corrected script.
(CVE-2017-12172)
</para>
</listitem>
<listitem>
<para>
Properly reject attempts to convert infinite float values to