Amazon Linux AMI update for puppet3



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-2295
CWE-ID CWE-502
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Deserialization of untrusted data

EUVDB-ID: #VU6804

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-2295

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application performs YAML deserialization in an unsafe manner. A remote attacker can send to server specially crafted serialized data and execute arbitrary code on the target system.

Mitigation

Update the affected packages.

noarch:
    puppet3-3.7.4-1.13.amzn1.noarch
    puppet3-server-3.7.4-1.13.amzn1.noarch

src:
    puppet3-3.7.4-1.13.amzn1.src

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3 External links

https://alas.aws.amazon.com/ALAS-2017-849.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.



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