Home/CVE/Versions of Puppet prior to 4.10.1 will deserialize data off the wire (from the agent to the server, in this case) with
CVE

CVE-2017-2295

Versions of Puppet prior to 4.10.1 will deserialize data off the wire (from the agent to the server, in this case) with

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.

HIGH · CVSS 8.2 EPSS 0.01449
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-502Deserialization of Untrusted Data
▤

Affected Products & Versions

2
puppet<= 4.10.0
debian linuxall versions
▣

Scoring & Timeline

8.2
HIGH · CVSS v3.0 · security@puppet.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Jul 2017 · 03:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
⚑

Vendor Advisories

5
usnUSN-4804-1
rhsaRHSA-2018:0336Low
suse-csafSUSE-SU-2018:0600-1
suse-csafSUSE-SU-2017:2113-1
usnUSN-3308-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.debian.org/security/2017/dsa-3862Third Party Advisory
http://www.securityfocus.com/bid/98582Third Party AdvisoryVDB Entry
https://puppet.com/security/cve/cve-2017-2295Vendor Advisory
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