CVE-2016-0773: Buffer Overflow
First published: Wed Feb 17 2016(Updated: )
PostgreSQL before 9.1.20, 9.2.x before 9.2.15, 9.3.x before 9.3.11, 9.4.x before 9.4.6, and 9.5.x before 9.5.1 allows remote attackers to cause a denial of service (infinite loop or buffer overflow and crash) via a large Unicode character range in a regular expression.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PostgreSQL Client | <=9.1.19 | |
| PostgreSQL Client | =9.2 | |
| PostgreSQL Client | =9.2.1 | |
| PostgreSQL Client | =9.2.2 | |
| PostgreSQL Client | =9.2.3 | |
| PostgreSQL Client | =9.2.4 | |
| PostgreSQL Client | =9.2.5 | |
| PostgreSQL Client | =9.2.6 | |
| PostgreSQL Client | =9.2.7 | |
| PostgreSQL Client | =9.2.8 | |
| PostgreSQL Client | =9.2.9 | |
| PostgreSQL Client | =9.2.10 | |
| PostgreSQL Client | =9.2.11 | |
| PostgreSQL Client | =9.2.12 | |
| PostgreSQL Client | =9.2.13 | |
| PostgreSQL Client | =9.2.14 | |
| PostgreSQL Client | =9.4 | |
| PostgreSQL Client | =9.4.1 | |
| PostgreSQL Client | =9.4.2 | |
| PostgreSQL Client | =9.4.3 | |
| PostgreSQL Client | =9.4.4 | |
| PostgreSQL Client | =9.4.5 | |
| PostgreSQL Client | =9.5 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =15.10 | |
| Debian | =7.0 | |
| Debian | =8.0 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177820.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177878.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00049.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00054.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00056.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00016.html
- http://rhn.redhat.com/errata/RHSA-2016-1060.html
- http://www.debian.org/security/2016/dsa-3475
- http://www.debian.org/security/2016/dsa-3476
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.postgresql.org/about/news/1644/
- http://www.postgresql.org/docs/current/static/release-9-1-20.html
- http://www.postgresql.org/docs/current/static/release-9-2-15.html
- http://www.postgresql.org/docs/current/static/release-9-3-11.html
- http://www.postgresql.org/docs/current/static/release-9-4-6.html
- http://www.postgresql.org/docs/current/static/release-9-5-1.html
- http://www.securityfocus.com/bid/83184
- http://www.securitytracker.com/id/1035005
- http://www.ubuntu.com/usn/USN-2894-1
- https://kc.mcafee.com/corporate/index?page=content&id=SB10152
- https://puppet.com/security/cve/CVE-2016-0773
- https://security.gentoo.org/glsa/201701-33
Frequently Asked Questions
What is the severity of CVE-2016-0773?
CVE-2016-0773 has been classified as a denial of service vulnerability that can crash PostgreSQL instances.
How do I fix CVE-2016-0773?
To fix CVE-2016-0773, upgrade PostgreSQL to versions 9.1.20, 9.2.15, 9.3.11, 9.4.6, or 9.5.1 or later.
What are the affected versions for CVE-2016-0773?
CVE-2016-0773 affects PostgreSQL versions prior to 9.1.20, 9.2.x versions before 9.2.15, 9.3.x versions before 9.3.11, 9.4.x versions before 9.4.6, and 9.5.x versions before 9.5.1.
Who can exploit CVE-2016-0773?
Remote attackers can exploit CVE-2016-0773 by sending specially crafted regular expressions to a vulnerable PostgreSQL server.
What is the impact of CVE-2016-0773?
The impact of CVE-2016-0773 is a denial of service condition that results in the PostgreSQL server entering an infinite loop or experiencing a buffer overflow, leading to a crash.
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