Amazon Linux AMI update for postgresql8

Published: 2016-04-21

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2016-0773
CWE-ID	CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Amazon Linux AMI Operating systems & Components / Operating system
Vendor	Amazon Web Services

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU32339

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-0773

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

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.

Mitigation

Update the affected packages:

i686:
    postgresql8-devel-8.4.20-5.52.amzn1.i686
    postgresql8-8.4.20-5.52.amzn1.i686
    postgresql8-pltcl-8.4.20-5.52.amzn1.i686
    postgresql8-debuginfo-8.4.20-5.52.amzn1.i686
    postgresql8-plpython-8.4.20-5.52.amzn1.i686
    postgresql8-server-8.4.20-5.52.amzn1.i686
    postgresql8-libs-8.4.20-5.52.amzn1.i686
    postgresql8-plperl-8.4.20-5.52.amzn1.i686
    postgresql8-contrib-8.4.20-5.52.amzn1.i686
    postgresql8-test-8.4.20-5.52.amzn1.i686
    postgresql8-docs-8.4.20-5.52.amzn1.i686

src:
    postgresql8-8.4.20-5.52.amzn1.src

x86_64:
    postgresql8-libs-8.4.20-5.52.amzn1.x86_64
    postgresql8-docs-8.4.20-5.52.amzn1.x86_64
    postgresql8-plpython-8.4.20-5.52.amzn1.x86_64
    postgresql8-server-8.4.20-5.52.amzn1.x86_64
    postgresql8-devel-8.4.20-5.52.amzn1.x86_64
    postgresql8-debuginfo-8.4.20-5.52.amzn1.x86_64
    postgresql8-contrib-8.4.20-5.52.amzn1.x86_64
    postgresql8-pltcl-8.4.20-5.52.amzn1.x86_64
    postgresql8-8.4.20-5.52.amzn1.x86_64
    postgresql8-plperl-8.4.20-5.52.amzn1.x86_64
    postgresql8-test-8.4.20-5.52.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2016-689.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.