Amazon Linux AMI update for puppet

1) Input validation error

EUVDB-ID: #VU42980

Risk: Medium

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-1640

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote #AU# to execute arbitrary code.

The (1) template and (2) inline_template functions in the master server in Puppet before 2.6.18, 2.7.x before 2.7.21, and 3.1.x before 3.1.1, and Puppet Enterprise before 1.2.7 and 2.7.x before 2.7.2 allows remote authenticated users to execute arbitrary code via a crafted catalog request. Per http://www.ubuntu.com/usn/usn-1759-1/ "A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.10 Ubuntu 12.04 LTS Ubuntu 11.10"

Mitigation

Update the affected packages:

i686:
    puppet-debuginfo-2.7.21-2.11.amzn1.i686
    puppet-server-2.7.21-2.11.amzn1.i686
    puppet-2.7.21-2.11.amzn1.i686

src:
    puppet-2.7.21-2.11.amzn1.src

x86_64:
    puppet-debuginfo-2.7.21-2.11.amzn1.x86_64
    puppet-2.7.21-2.11.amzn1.x86_64
    puppet-server-2.7.21-2.11.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3

• cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*

External links

https://alas.aws.amazon.com/ALAS-2013-181.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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