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AUSCERT Security Bulletin
ASB-2016.0040
Multiple vulnerabilities have been identified in PostgreSQL
13 April 2016
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AusCERT Security Bulletin Summary
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Product: PostgreSQL
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2016-3065 CVE-2016-2193
Member content until: Friday, May 13 2016
OVERVIEW
Multiple vulnerabilities have been identified in PostgreSQL versions
9.5.2, 9.4.7, 9.3.12, 9.2.16, and 9.1.21. [1]
IMPACT
The vendor has provided the following details regarding these
vulnerabilities:
"This release closes security hole CVE-2016-2193, where a query plan
might get reused for more than one ROLE in the same session. This
could cause the wrong set of Row Level Security (RLS) policies to be
used for the query.
The update also fixes CVE-2016-3065, a server crash bug triggered by
using pageinspect with BRIN index pages. Since an attacker might be
able to expose a few bytes of server memory, this crash is being
treated as a security issue." [1]
MITIGATION
Then vendor recommends users upgrade to the latest version to fix
these issues. [1]
REFERENCES
[1] 2016-03-31 Security Update Release
http://www.postgresql.org/about/news/1656/
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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