Last-minute updates for release notes.

Security: CVE-2018-10915, CVE-2018-10925

3 files changed, 105 insertions, 15 deletions

diff --git a/doc/src/sgml/release-9.3.sgml b/doc/src/sgml/release-9.3.sgml
index a2078eac9ec..b0b46b4b394 100644
--- a/doc/src/sgml/release-9.3.sgml
+++ b/doc/src/sgml/release-9.3.sgml
@@ -41,6 +41,34 @@
 
     <listitem>
      <para>
+      Fix failure to reset <application>libpq</application>'s state fully
+      between connection attempts (Tom Lane)
+     </para>
+
+     <para>
+      An unprivileged user of <filename>dblink</filename>
+      or <filename>postgres_fdw</filename> could bypass the checks intended
+      to prevent use of server-side credentials, such as
+      a <filename>~/.pgpass</filename> file owned by the operating-system
+      user running the server.  Servers allowing peer authentication on
+      local connections are particularly vulnerable.  Other attacks such
+      as SQL injection into a <filename>postgres_fdw</filename> session
+      are also possible.
+      Attacking <filename>postgres_fdw</filename> in this way requires the
+      ability to create a foreign server object with selected connection
+      parameters, but any user with access to <filename>dblink</filename>
+      could exploit the problem.
+      In general, an attacker with the ability to select the connection
+      parameters for a <application>libpq</application>-using application
+      could cause mischief, though other plausible attack scenarios are
+      harder to think of.
+      Our thanks to Andrew Krasichkov for reporting this issue.
+      (CVE-2018-10915)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
       Ensure that updates to the <structfield>relfrozenxid</structfield>
       and <structfield>relminmxid</structfield> values
       for <quote>nailed</quote> system catalogs are processed in a timely
diff --git a/doc/src/sgml/release-9.4.sgml b/doc/src/sgml/release-9.4.sgml
index 6568a934d4a..71b760a91a5 100644
--- a/doc/src/sgml/release-9.4.sgml
+++ b/doc/src/sgml/release-9.4.sgml
@@ -35,6 +35,34 @@
 
     <listitem>
      <para>
+      Fix failure to reset <application>libpq</application>'s state fully
+      between connection attempts (Tom Lane)
+     </para>
+
+     <para>
+      An unprivileged user of <filename>dblink</filename>
+      or <filename>postgres_fdw</filename> could bypass the checks intended
+      to prevent use of server-side credentials, such as
+      a <filename>~/.pgpass</filename> file owned by the operating-system
+      user running the server.  Servers allowing peer authentication on
+      local connections are particularly vulnerable.  Other attacks such
+      as SQL injection into a <filename>postgres_fdw</filename> session
+      are also possible.
+      Attacking <filename>postgres_fdw</filename> in this way requires the
+      ability to create a foreign server object with selected connection
+      parameters, but any user with access to <filename>dblink</filename>
+      could exploit the problem.
+      In general, an attacker with the ability to select the connection
+      parameters for a <application>libpq</application>-using application
+      could cause mischief, though other plausible attack scenarios are
+      harder to think of.
+      Our thanks to Andrew Krasichkov for reporting this issue.
+      (CVE-2018-10915)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
       Ensure that updates to the <structfield>relfrozenxid</structfield>
       and <structfield>relminmxid</structfield> values
       for <quote>nailed</quote> system catalogs are processed in a timely
diff --git a/doc/src/sgml/release-9.5.sgml b/doc/src/sgml/release-9.5.sgml
index 11a219ac5cc..1f5ce819f43 100644
--- a/doc/src/sgml/release-9.5.sgml
+++ b/doc/src/sgml/release-9.5.sgml
@@ -35,6 +35,55 @@
 
     <listitem>
      <para>
+      Fix failure to reset <application>libpq</application>'s state fully
+      between connection attempts (Tom Lane)
+     </para>
+
+     <para>
+      An unprivileged user of <filename>dblink</filename>
+      or <filename>postgres_fdw</filename> could bypass the checks intended
+      to prevent use of server-side credentials, such as
+      a <filename>~/.pgpass</filename> file owned by the operating-system
+      user running the server.  Servers allowing peer authentication on
+      local connections are particularly vulnerable.  Other attacks such
+      as SQL injection into a <filename>postgres_fdw</filename> session
+      are also possible.
+      Attacking <filename>postgres_fdw</filename> in this way requires the
+      ability to create a foreign server object with selected connection
+      parameters, but any user with access to <filename>dblink</filename>
+      could exploit the problem.
+      In general, an attacker with the ability to select the connection
+      parameters for a <application>libpq</application>-using application
+      could cause mischief, though other plausible attack scenarios are
+      harder to think of.
+      Our thanks to Andrew Krasichkov for reporting this issue.
+      (CVE-2018-10915)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix <literal>INSERT ... ON CONFLICT UPDATE</literal> through a view
+      that isn't just <literal>SELECT * FROM ...</literal>
+      (Dean Rasheed, Amit Langote)
+     </para>
+
+     <para>
+      Erroneous expansion of an updatable view could lead to crashes
+      or <quote>attribute ... has the wrong type</quote> errors, if the
+      view's <literal>SELECT</literal> list doesn't match one-to-one with
+      the underlying table's columns.
+      Furthermore, this bug could be leveraged to allow updates of columns
+      that an attacking user lacks <literal>UPDATE</literal> privilege for,
+      if that user has <literal>INSERT</literal> and <literal>UPDATE</literal>
+      privileges for some other column(s) of the table.
+      Any user could also use it for disclosure of server memory.
+      (CVE-2018-10925)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
       Ensure that updates to the <structfield>relfrozenxid</structfield>
       and <structfield>relminmxid</structfield> values
       for <quote>nailed</quote> system catalogs are processed in a timely
@@ -142,21 +191,6 @@
 
     <listitem>
      <para>
-      Fix <literal>INSERT ... ON CONFLICT UPDATE</literal> through a view
-      that isn't just <literal>SELECT * FROM ...</literal>
-      (Dean Rasheed, Amit Langote)
-     </para>
-
-     <para>
-      Erroneous expansion of an updatable view could lead to crashes
-      or <quote>attribute ... has the wrong type</quote> errors, if the
-      view's <literal>SELECT</literal> list doesn't match one-to-one with
-      the underlying table's columns.
-     </para>
-    </listitem>
-
-    <listitem>
-     <para>
       Ensure a table's cached index list is correctly rebuilt after an index
       creation fails partway through (Peter Geoghegan)
      </para>