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AUSCERT Security Bulletin
ASB-2015.0098
A number of vulnerabilities have been identified in PostgreSQL
12 October 2015
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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 -- Remote/Unauthenticated
Access Privileged Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2015-5289 CVE-2015-5288
Member content until: Wednesday, November 11 2015
OVERVIEW
A number of vulnerabilities have been identified in PostgreSQL versions
9.4.5, 9.3.10, 9.2.14, 9.1.19 and 9.0.23. [1]
IMPACT
The vendor has provided the following details regarding these
vulnerabilities:
"Two security issues have been fixed in this release which affect
users of specific PostgreSQL features:
CVE-2015-5289: json or jsonb input values constructed from arbitrary
user input can crash the PostgreSQL server and cause a denial of
service.
CVE-2015-5288: The crypt() function included with the optional
pgCrypto extension could be exploited to read a few additional bytes
of memory. No working exploit for this issue has been developed." [1]
MITIGATION
An update has been released to correct these issues, which also
disables SSL renegotiation by default, which was previously enabled by
default. [1]
REFERENCES
[1] 2015-10-08 Security Update Release
http://www.postgresql.org/about/news/1615/
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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