Versions of Puppet prior to 4.10.1 will deserialize data off the wire (from the agent to the server, in this case) with a attacker-specified format. This could be used to force YAML deserialization in an unsafe manner, which would lead to remote code execution. This change constrains the format of data on the wire to PSON or safely decoded YAML.
Published 2017-07-05 15:29:00
Updated 2018-05-24 13:36:41
Source Perforce
View at NVD,   CVE.org
Vulnerability category: Execute code

Products affected by CVE-2017-2295

Exploit prediction scoring system (EPSS) score for CVE-2017-2295

0.24%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 62 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-2295

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.0
MEDIUM AV:N/AC:M/Au:S/C:P/I:P/A:P
6.8
6.4
NIST
8.2
HIGH CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
1.8
5.8
NIST

CWE ids for CVE-2017-2295

References for CVE-2017-2295

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