Deserialization of untrusted data in Puppet Agent - CVE-2017-2295

 

Deserialization of untrusted data in Puppet Agent - CVE-2017-2295

Published: May 30, 2017


Vulnerability identifier: #VU6804
CSH Severity: High
CVSS v4.0: 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
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Puppet Labs
Affected software:
Puppet Agent

Detailed vulnerability 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.

How to mitigate CVE-2017-2295

Update to version 4.10.1.

Sources