Accepted postgresql-11 11.3-1 (source) into unstable
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Hash: SHA256
Format: 1.8
Date: Tue, 07 May 2019 12:04:34 +0200
Source: postgresql-11
Architecture: source
Version: 11.3-1
Distribution: unstable
Urgency: medium
Maintainer: Debian PostgreSQL Maintainers <team+postgresql@tracker.debian.org>
Changed-By: Christoph Berg <myon@debian.org>
Changes:
postgresql-11 (11.3-1) unstable; urgency=medium
.
* New upstream version.
+ Prevent row-level security policies from being bypassed via selectivity
estimators (Dean Rasheed)
.
Some of the planner's selectivity estimators apply user-defined
operators to values found in pg_statistic (e.g., most-common values).
A leaky operator therefore can disclose some of the entries in a data
column, even if the calling user lacks permission to read that column.
In CVE-2017-7484 we added restrictions to forestall that, but we failed
to consider the effects of row-level security. A user who has SQL
permission to read a column, but who is forbidden to see certain rows
due to RLS policy, might still learn something about those rows'
contents via a leaky operator. This patch further tightens the rules,
allowing leaky operators to be applied to statistics data only when
there is no relevant RLS policy. (CVE-2019-10130)
.
+ Avoid access to already-freed memory during partition routing error
reports (Michael Paquier)
.
This mistake could lead to a crash, and in principle it might be
possible to use it to disclose server memory contents. (CVE-2019-10129)
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