Amazon Linux AMI update for postgresql8

Published: 2015-07-07

Risk	High
Patch available	YES
Number of vulnerabilities	3
CVE-ID	CVE-2015-3165 CVE-2015-3166 CVE-2015-3167
CWE-ID	CWE-20 CWE-119 CWE-200
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 information about 3 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU33829

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-3165

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Double free vulnerability in PostgreSQL before 9.0.20, 9.1.x before 9.1.16, 9.2.x before 9.2.11, 9.3.x before 9.3.7, and 9.4.x before 9.4.2 allows remote attackers to cause a denial of service (crash) by closing an SSL session at a time when the authentication timeout will expire during the session shutdown sequence. <a href="http://cwe.mitre.org/data/definitions/415.html">CWE-415: Double Free</a>

Mitigation

Update the affected packages:

i686:
    postgresql8-test-8.4.20-3.50.amzn1.i686
    postgresql8-libs-8.4.20-3.50.amzn1.i686
    postgresql8-plpython-8.4.20-3.50.amzn1.i686
    postgresql8-contrib-8.4.20-3.50.amzn1.i686
    postgresql8-server-8.4.20-3.50.amzn1.i686
    postgresql8-pltcl-8.4.20-3.50.amzn1.i686
    postgresql8-docs-8.4.20-3.50.amzn1.i686
    postgresql8-debuginfo-8.4.20-3.50.amzn1.i686
    postgresql8-devel-8.4.20-3.50.amzn1.i686
    postgresql8-8.4.20-3.50.amzn1.i686
    postgresql8-plperl-8.4.20-3.50.amzn1.i686

src:
    postgresql8-8.4.20-3.50.amzn1.src

x86_64:
    postgresql8-server-8.4.20-3.50.amzn1.x86_64
    postgresql8-pltcl-8.4.20-3.50.amzn1.x86_64
    postgresql8-devel-8.4.20-3.50.amzn1.x86_64
    postgresql8-plperl-8.4.20-3.50.amzn1.x86_64
    postgresql8-plpython-8.4.20-3.50.amzn1.x86_64
    postgresql8-8.4.20-3.50.amzn1.x86_64
    postgresql8-libs-8.4.20-3.50.amzn1.x86_64
    postgresql8-contrib-8.4.20-3.50.amzn1.x86_64
    postgresql8-docs-8.4.20-3.50.amzn1.x86_64
    postgresql8-debuginfo-8.4.20-3.50.amzn1.x86_64
    postgresql8-test-8.4.20-3.50.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2015-556.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.

2) Buffer overflow

EUVDB-ID: #VU30589

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-3166

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The snprintf implementation in PostgreSQL before 9.0.20, 9.1.x before 9.1.16, 9.2.x before 9.2.11, 9.3.x before 9.3.7, and 9.4.x before 9.4.2 does not properly handle system-call errors, which allows attackers to obtain sensitive information or have other unspecified impact via unknown vectors, as demonstrated by an out-of-memory error.

Mitigation

Update the affected packages:

i686:
    postgresql8-test-8.4.20-3.50.amzn1.i686
    postgresql8-libs-8.4.20-3.50.amzn1.i686
    postgresql8-plpython-8.4.20-3.50.amzn1.i686
    postgresql8-contrib-8.4.20-3.50.amzn1.i686
    postgresql8-server-8.4.20-3.50.amzn1.i686
    postgresql8-pltcl-8.4.20-3.50.amzn1.i686
    postgresql8-docs-8.4.20-3.50.amzn1.i686
    postgresql8-debuginfo-8.4.20-3.50.amzn1.i686
    postgresql8-devel-8.4.20-3.50.amzn1.i686
    postgresql8-8.4.20-3.50.amzn1.i686
    postgresql8-plperl-8.4.20-3.50.amzn1.i686

src:
    postgresql8-8.4.20-3.50.amzn1.src

x86_64:
    postgresql8-server-8.4.20-3.50.amzn1.x86_64
    postgresql8-pltcl-8.4.20-3.50.amzn1.x86_64
    postgresql8-devel-8.4.20-3.50.amzn1.x86_64
    postgresql8-plperl-8.4.20-3.50.amzn1.x86_64
    postgresql8-plpython-8.4.20-3.50.amzn1.x86_64
    postgresql8-8.4.20-3.50.amzn1.x86_64
    postgresql8-libs-8.4.20-3.50.amzn1.x86_64
    postgresql8-contrib-8.4.20-3.50.amzn1.x86_64
    postgresql8-docs-8.4.20-3.50.amzn1.x86_64
    postgresql8-debuginfo-8.4.20-3.50.amzn1.x86_64
    postgresql8-test-8.4.20-3.50.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2015-556.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.

3) Information disclosure

EUVDB-ID: #VU30590

Risk: Medium

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

CVE-ID: CVE-2015-3167

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

contrib/pgcrypto in PostgreSQL before 9.0.20, 9.1.x before 9.1.16, 9.2.x before 9.2.11, 9.3.x before 9.3.7, and 9.4.x before 9.4.2 uses different error responses when an incorrect key is used, which makes it easier for attackers to obtain the key via a brute force attack.

Mitigation

Update the affected packages:

i686:
    postgresql8-test-8.4.20-3.50.amzn1.i686
    postgresql8-libs-8.4.20-3.50.amzn1.i686
    postgresql8-plpython-8.4.20-3.50.amzn1.i686
    postgresql8-contrib-8.4.20-3.50.amzn1.i686
    postgresql8-server-8.4.20-3.50.amzn1.i686
    postgresql8-pltcl-8.4.20-3.50.amzn1.i686
    postgresql8-docs-8.4.20-3.50.amzn1.i686
    postgresql8-debuginfo-8.4.20-3.50.amzn1.i686
    postgresql8-devel-8.4.20-3.50.amzn1.i686
    postgresql8-8.4.20-3.50.amzn1.i686
    postgresql8-plperl-8.4.20-3.50.amzn1.i686

src:
    postgresql8-8.4.20-3.50.amzn1.src

x86_64:
    postgresql8-server-8.4.20-3.50.amzn1.x86_64
    postgresql8-pltcl-8.4.20-3.50.amzn1.x86_64
    postgresql8-devel-8.4.20-3.50.amzn1.x86_64
    postgresql8-plperl-8.4.20-3.50.amzn1.x86_64
    postgresql8-plpython-8.4.20-3.50.amzn1.x86_64
    postgresql8-8.4.20-3.50.amzn1.x86_64
    postgresql8-libs-8.4.20-3.50.amzn1.x86_64
    postgresql8-contrib-8.4.20-3.50.amzn1.x86_64
    postgresql8-docs-8.4.20-3.50.amzn1.x86_64
    postgresql8-debuginfo-8.4.20-3.50.amzn1.x86_64
    postgresql8-test-8.4.20-3.50.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2015-556.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.