Deserialization in Puppet
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 a attacker-specified format. This could be used to force YAML deserialization in an unsafe manner, which would lead to…
Vulnerability class: Insecure Deserialization
EPSS: 0.014 (81.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N.
Affected products
- Puppet
- Puppet Server — versions Puppet prior to 4.10.1
- Debian Debian_linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@puppet.com (x_refsource_CONFIRM, Vendor Advisory)
- security@puppet.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@puppet.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-2295?
- CVE-2017-2295 is a high-severity vulnerability in Puppet, classified under Deserialization of Untrusted Data. CVSS score: 8.2/10. Published 2017-07-05.
- How severe is CVE-2017-2295?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2017-2295 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.